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249 Cards in this Set

  • Front
  • Back
Digoxin is a ______ agent which acts to decrease ___________ and increase __________
AV nodal blocking agent;

AV nodal conduction velocity; AV nodal refractory period
Adenosine functions by ______________. It also interrupts the....
slowing the conduction through the AV node;

reentry pathways
Quinidine works by converting __-->___ and ___ (or non sustained__) -->___
AF; NSR

PVC (VT); NSR
Quinidine is indicated for the conversion (to NSR) or prophylaxis of ____ as well as the conversion of ____ to NSR.

Also indicated for use in life-threatening _____________
AFib;

PVC's;

ventricular arrhythmias
Major contraindications for Quinidine are (2):

Quinidine prolongs the _____ interval which can lead to some incidences of _____ and _______
if the pt has a history of long QT syndrome or drug induced torsades;

QT interval;

tosades; quinidine syncope (dizziness, fainting)
Quinidine is a _______ drug in class ____.
antiarrhythmic;

class IA
How does quinidine prolong the QT interval?

This leaves the myocardium (and pt) vulnerable to...
delays repolarization;

vulnerable to VT or VF (Torsades des pointes, TdP) and sudden death
When treating AFib or Aflutter, want to pretreat with ____ _before treating with Quinidine (to control the ventricular rate as reversion to NSR occurs).

This is because of the vagolytic effects of quinidine which enhances _______ and may result in a very high _________ if used in the presence of atrial tachycardia
Digoxin;

AV conduction; ventricular rate
Procainamide use is the most frequent cause of ________
drug-induced lupus
The principle metabolite of procainamide is ________ and is formed by ________ in the liver.

This active metabolite contributes to the overall ______ activity by exerting class ___ effects.
N-acteylprocainamide (NAPA);

acetylation (conjugation);

anti arrhythmic activity;

III
Lidocaine is ineffective against ___ and ___

Is indicated for the use in:
AF ad Aflutter;

acute management of ventricular arrhythmias occurring during cardiac manipulation or in relation to an acute MI; conversion of non-sustained VT to NSR
Boxed warning for Flecainide acetate: can have.....

Due to this, F.A. is unacceptable for use in its whose arrhythmias are ____________.
pro arrhythmic effects in its with a fib and aflutter;

non-lifethreatening
Propafenone indications:
documented life-threatening ventricular arrhythmias
Beta blockers (as antiarrhythmics) mechanism of action is that they slow the ventricular rate response in AF by slowing ________. Two ways they do this:
AV conduction;

increases refractory period of the AV node, decreases conduction velocity through the AV node.
Beta blockers have the best potential to control ventricular rate in its whose AF is caused by enhanced..........
sympathetic activity (e.g. thyrotoxicosis)
Esmolol is a beta blocker used as an anti arrhythmic and is ______ acting.

is used for.............
ultra;

rapid control of ventricular rate in AF or Aflutter in circumstances where short-term ventricular rate control is needed.
Amiodarone is a non competitive antagonist at peripheral ____ and ___ receptors;

Decreases ___, ___ and ____ (_____ inotrope)
alpha and beta;

HR, TPR, and FOC (Negative inotrope)
Amiodarone prolongs the
________ (((through the blockade of ___ channels (Class III effects)))) and the ______ of all excitable tissue
action potential duration; K+;

effective refractory period
Amiodarone is a very strong inhibitor of both:
normal and abnormal automaticity
Amiodarone decreases ______ in all cardiac tissues and increases _______.
conduction velocity; AV nodal conduction time
ADR of amiodarone
Lungs:
Liver:
Thyroid:
Eye:
CV:
Skin:
pulm fibrosis (d/c amiodarone);

Asx elevation of hepatic enzymes;

hypothyroidism;

corneal microdeposits;

Sx bradycardia and heart block, worsening CHF, hypotension;

photodermatitis
Amidarone has serious drug interactions with ___ (increases.....) and ____ (has an increase ______ effect due to decreased clearance)
Digoxin (digoxin plasma levels); warfarin (anticoagulant effect)
Sotalol is a nonselective _____ that prolongs the _____ which may lead to _____
beta blocker; QT interval; torsades
Ibutilide fumarate is administered via ______ for ____conversion of AF or aflutter of recent onset to NSR
IV infusion;

rapid
Dofetilide is used for ___ conversion of AF or Aflutter to NSR and for ______ of NSR after conversion
acute;

maintenance
What are the "Class III Antiarrhythmic affects"?
blockade of the K+ channel to prolong the AP duration
Verapamil markedly slows _______ by increasing effective refractory period of the AV node. Also prolongs ______ with no effects on ____ or _____
AV conduction; AV nodal conduction time;

P waves, QRS duration
Verapimil is indicated for temporary control of rapid ventricular rate in ___ or ___ EXCEPT when these arrhythmias are associated with _______________ (WPW syndrome). In this case it is contraindicated!!!
AF or Aflutter;

accessory bypass tracts
Diltiazem has actions similar to _______
verapamil
Adenosine slows AV ______ and increases AV ________.

Also interrupts the........
nodal conduction; nodal effective refractory period;

reentry pathways through the node
Prolongation of AV nodal conduction time often occurs with transient .........
1st, 2nd, or 3rd degree AV blocks
Adenosine is the drug of choice for prompt conversion .......(such as ____ or ____) to NSR
paroxysmal supra ventricular tachycardia (AV reentry or AV nodal reentry)
Adenosine is generally preferable to verapamil due to....
its very short term duration of activity
Wolff-Parkinson-White (WPW) syndrome is a congenital pre-excitation syndrome in which.....

This allows....
an accessory bypass tract constitutes a secondary conduction pathway between the atria and ventricles;

the atria impulse to bypass the AV node and activate the ventricles prematurely
What are the EKG findings in WPW syndrome?
Short PR interval, abnormally wide QRS complex with initial slurring (delta waves), and paroxysmal tachycardia (most often either AV reentrant or AFib)
For WPW with AFib, Which agents are absolutely contraindicated and give examples specified in notes.

This is because.....
AV nodal blocking agents (CCBs such as verapamil and diltiazem, digoxin and adenosine);

blockage of AV conduction allows atrial impulses to be conducted down the bypass tract (since fast-response fibers using fast sodium channels are not inhibited)
What are 4 complications of AFib?
increased risk of cerebral thromboembolism (stroke), increased mortality, decreased diastolic filling time, irregular and rapid ventricular rate
What are the most common signs and symptoms of Afib?
palpitations, chest pain, dyspnea, fatigue, lightheadedness, syncope.

However, some pts may be asx
What are some hemodynamic complications of AFib?
irregular ventricular response, rapid heart rate, impaired coronary perfusion, decreased CO
Treatment for AFib includes:
pharmacologic treatment and electrical treatment
Pharmacological cardioversion is usually done as a ___-patient treatment.

Drugs of choice include ______ and _____ antiarrhythmics

Amiodarone can be used for output conversion due to its....Unless a _____ dose is required, then must be inpatient.
in;

Class III agents and Class IC agents;

relatively low pro-arrhthmic effects.;
loading
Electrical cardioversion of Afib requires an electrical shock that is.....

Inpt pretreatment with meds may....
synchronized with the R wave to avoid stimulation during repolarization phase;

enhance success for cardioversion
What are the most commonly used drugs for rate control in Afib?
nondihydropyridine CCB's (verapamil, diltiazem), BBs (metoprolol), digoxin in HF its in combination with above two when they are inadequate when used alone
Medications used for rate control can be used for both acute/new onset and for chronic AFib. For acute AFib, they control the ______ and relieves ______. In chronic Afib, _____ are controlled and __________ is prevented.
rapid ventricular rate; symptoms

Symptoms; tarchycardia-induced cardiomyopathy
What are the most commonly used agents for rhythm control in a pt with AFib?
Class III Drugs (amiodarone, dronedarone, stall and dofetilide) and class IC drugs (flecainide, propafenone)
Amiodarone is the most commonly used agent for rhythm control in Afib. It is highly efficient at preventing ________, has low ________ potential but has numerous and serious __________.
recurrence;

proarrhthmic;

extracardiac effects
Dronedarone is contraindicate for use in _________ or ______.
Class IV HF, Sx HF with recent decompensation
Anticoagulation is used for _________ and ________
post-cardioversion prophylaxis and long-term prophylaxis
For AF>48 hours, anticoagulation is required to prevent ___________ and _______ and to allow existing clots to..........

Anticoagulate with ______ (target INR of ______) for more than or equal to ______ prior cardioversion and once NSR is obtained, should be continued for another ________.
prevent formation of new clots; prevent extension of already existing clots;

adhere to the arterial wall to facilitate fibrinolysis;

Warfarin; 2.0-2.0; 3 weeks;

4 weeks
Post-cardioversion prophylaxis with anticoagulants needs to be done because the risk of developing clots is the same regardless of the type of _________.

For long-term prophylaxis, the risk may differ and needs to be evaluated to determine the risk of _____ based on ____ Score
cardioversion;

stroke; CHADS2
CHADS2 score determines risk of ____ and the need for long-term prophylaxis.

Score of 0 is treated with _____.

Score of 1 indicates ________. Treat with ____ or _____.

Score > or = 2 indicates ______. ACCP guidelines recommend ________ as tx with a target INR of _______.
Stroke;

aspirin;

immediate risk for stroke; warfarin or aspirin;

high risk of stroke. warfarin; 2.0-3.0 (2.5 target)
Unfractionated heparin is ____ acting and only used __________.
rapid; parenterally
Heparin prevents ________ and ________.

It binds to circulating antigoaculant factor ________ (making the complex 100-1000x more potent then the factor alone).

This complex them binds to and irreversibly inactivates which clotting factors? (4)
extension of already formed clots and prevents new clot formation;

anti-thrombinIII (AT-III);

IIa, IXa, Xa, XIIa (2,9,10,12a's)
Thrombosis (clot formation) is inhibited by heparin because heparin inactivates _______ which is required for the conversion of ___ to____.
factor Xa;

prothrombin to thrombin
Heparin inhibits clot extension because it inactivates _______ which is required for the conversion of _____ to _____
factor IIa (thrombin);

fibrinogen to fibrin
Pharmacokinetics of heparin: Has extensive binding to ____, _____ and ____ which limits its bioavailability.

Low bioavailability results in high ______ and inability to.......

Heparin is administered via....
plasma proteins, endothelial cells, and macrophages;

variability; predict dose-response relationships;

IV infusion of SC bolus
Heparin is monitored using the __________. This reflects alterations in the ____ pathway.

Heparinization to prolong thisto ___-___x normal has been considered adequate to prevent clot extension or formation
Activated partial thromboplastin time (APTT);

Intrisnic;

1.5-2.5x
Heparin has been indicated for the prophylaxis and tx of ____ and _____.

Requires a ____ dose (administered via a ___ bolus) as well as a _________.
deep vein thrombosis; pulmonary embolism;

loading; IV; maintenance infusion
Dosing adjustments of heparin are made on the basis of the _____. Duration is ______ (to be followed by long-term ____ therapy). Preferred to be given via continuous _____ over ____ doses because of a lower incidence of.....
APTT;

5-10 days; warfarin;

IV infusion; spaced interval bolus;

Major hemorrhage
Prophylaxis use of heparin is administered via ____.

Used to prevent postop ____ in its who underwent major abdominal/thoracic surgical procedures or in its who are at risk of developing _______ disease.
subcue injections;

DVT;

thromboembolic
What are three ADRs of heparin use?
Serious hemorrhage from overdose, thrombocytopenia, and osteoporosis
Serious hemorrhage from overdose of heparin is treated with
protamine sulfate
Heparin induced thrombocytopenia (HIT) can cause serious _______.

Resulting platelet aggregation can actually cause paradoxical _________.

______ may be the initial presentation of HIT which may occur up to several weeks after d/c of heparin therapy.
bleeding;

thromboembolism;

thrombotic events
Components of management of HIT include ____ heparin and remove all sources of ______.

Give ___________ therapy for short term anticoagulation.

Initiate long-term anticoagulant _____.
D/C; heparin exposure;

specific direct thrombin inhibitor (DTI);

warfarin
Lepirudin is indicated for tx of ________ to provide ____ and prevent _____ complications.

Is a highly specific, irreversible direct inhibitor of _____.

Is a recombinant form of ______ which is a naturally occurring peptide anticoagulant found in....
HIT;

anticoagulation; thromboembolic;

thrombin;

Hirudin;

saliva of leeches
Argatroban is a synthetic direct _____ inhibitor derived from the AA _______. Has _____ binding.

Prevents and treats thrombosis in _________.

Given as an anticoagulant in its with or at high risk for ____ who are undergoing PTCA
thrombin;

argenine;

reversible;

HIT;

HIT
Low molecular weight heparin can inactivate factor _____ since only the AT-III component of the heparin AT-III complex binds to the factor.

Both the heparin and ATIII components of the complex are required for the inactivation of factor ____ (_____). So much less inactivation of this factor occurs with ____ compared to _____.

So, LMWH inactivate factor ___ about 4x as effectively as factor ___
Xa;

IIa (thrombin); LMWH; UFH;

Xa; IIa
Advantage of low molecular weight heparin:
APTT will not be prolonged as the LMWH concentration changes and does not need to be monitored
LMWH has greater ________ with reduced patient intersubject and intrasubject variability

UFH is more susceptible to intracellular ______ in macros and endothelial cells.

LMWH have much lower binding to surface receptors on macros and endothelial cells and have improved and more predictable ____ following ____ injection.
bioavailability;

degradation;

bioavailability; SC injection
LMWH has a longer ____ and ________.

Elimination is through a ________ route, while UFH is bound to _____ and ___ resulting in a dose-dependent clearance that may ____ with increasing doses.
half-life and duration of action;

non-saturable renal;

albumin; endothelial;

saturate
Limitations of LMWH include...

So its with a history of ____ should not receive LMWH's
cross-immunoreactivity with UFH has been shown.

HIT
LMWHs are now considered first line therapy for _____ and _____ of _______ as well as ______
prevention; treatment of venous thromboembolism (VTE);

acute coronary syndromes
Prototype of LMWH is ________

Indications include for the prophylaxis of ____ which may lead to PE in its who are: (4)
enoxaparin sodium;

DVT;

undergoing abdominal surgery and are at risk of thromboembolic complications; undergoing hip replacement surgery (during and following hospitalization), undergoing knee replacement surgery, and who are at risk of thromboembolic implications due to severely restricted mobility during acute illness
ADR of Enoxaparin Sodium (LMWH): Incidence of serious hemorrhage is ____ compared to heparin.

_____ is recommended as the antidote for any LMWH-induced bleeding.

Dosing of Enoxaparin sodium=
less;

Protamine;

administer only by SC injection
Warfarin is a _____ anticoagulant
coumarin
Warfarin MOA:


By doing this, the _____ accumulates in the blood and _______ the synthesis of coagulation factors.

In the blood, the concentrations of the clotting factors are ____ in accordance with their ____.
inhibits vitamin K epoxide reductase which is responsible for reducing Vit K epoxide back to Vit K;

vit K epoxide;

reduces;

reduced; half-lives
Vitamin K is required to convert precursors of factors ___, ___, ___, and ___ into their respective inactive factors in the liver.

During the reaction, Vitamin K is oxidized to _______.

Vit K epoxide redcutase is responsible for....
II, VII, IX, X;

Vitamin K epoxide;

reducing Vit K Epoxide back into Vit K
Which enantiomer is the 4-5x more potent one of warfarin?
S
Warfarin is monitored by ______. The _____ was developed as a way to measure this internationally.

A measurement of ___-___ indicates moderate intensity use of warfarin and is used in most settings to prevent or tx _____.

A ratio of __-___ indicates high intensity and is used during/for _________ and __________
prothrombin time (PT);

INR (international normalized ratio);

2.0-3.0; thromboembolism;

2.5-3.5; mechanical valve replacement; recurrent thromboembolism
Warfarin has no effect on....... but prevents.......
formed thrombi;

extension and formation of new clots
Warfarin is indicated for use in the prophylaxis and treatment of ___ and ____. Also used for _____________
DVT; PE;

AF with embolization
Warfarin dosing: Initiate therapy with a ___-___mg dose once per day.

May be started on the same day as heparin but need to over lap warfarin with heparin for at least ___-___ days before D/C heparin because.......
5-10;

4-6;

Onset of warfarin action is delayed about 4 days since there is already some amount of circulating factor II (half=life of 60 hr) which can become activated.
A pt on warfarin therapy should have an INR of ___-___ for at least 24 hours before D/C heparin. Full anticoagulant effect requires about ___-___ days of therapy.
2-3;

7-10 days
Monitoring of Warfarin is done based on ______.
PT time
ADR of warfarin: (2)
minor bleeding, hemorrhage from overdose
What do you use to treat hemorrhage from an overdose of warfarin?
phytonadione (vitamin K1)
Some drugs may _____ warfarin action and result in excessive ____, increased ____, _____ and ______.
enhance;

PT; INR; bleeding and hemorrhage
If a drug enhances the action of warfarin, it may require decreasing the warfarin dosage. This can be caused by the inhibition of the _____ system (____ and ____ drugs do this) or due to additive/synergistic effects caused by ____ and ____.
P450;

cimetidine; amiodarone;

aspirin; other NSAIDS
Target INR ranges for warfarin use are:

2.5-3.5 for _______ or _______

2-3 for.......
mechanical prosthetic valves or prevention of recurrent MI;

all other conditions: MI, A fib, Tx of PE, valvular heart disease, tissue heart valves, prevention and tx of DVT
Low risk category includes the presence of AF with no additional risk factors. Treat with:
ASA 81-325 mg/day
Moderate risk category includes AF plus __ additional stroke risk factor. Tx with ____ or ____ but use ____ if well tolerated and no additional bleeding risks
1; ASA; Warfarin;

Warfarin
High risk category includes AF plus ______ stroke risk factors or a ______. Tx with ___ plus ____ as an alternative to warfarin; however, this combination is associated with _______.
2 or more risk factors for a stroke; previous stroke.

ASA; clopidogrel; more bleeding
Pharmacological actions of hirudin include:
bind directly to thrombin (at the substrate recognition site for fibrinogen) and blocks the active enzymatic site through which thrombin exerts its action
Hirudins are very potent and specific thrombin inhibitors due to their ____, _____ binding. Are associated with ______ and not approved for use in the US
bivalent, irreverisble;

bleeding problems
Bivalirudin is an ____ anticoagulant used only with concurrent ____ in pts with ____ undergoing PTCA
IV; ASA; UA (unstable angina)
MOA of Bivalirudin is as a _________. It binds reversibly to both circulating and clot-bound _____. Binding occurs at the ________ site but only transiently at the ______ site.

Has a ___ affinity allowing for ____ binding. This confers a _____ risk of serious bleeding and fewer ____ complications.

The anticoagulant effect is ____.
direct thrombin inhibitor.

thrombin;

substrate recognition;

active enzymatic;

Lower; reversible.

lower; ischemic;

immediate
Dabigatran etexilate is for first _____ active DTI (direct thrombin inhibitor)

Indications include to reduce the risk of ___ and ___ in pts with nonvalvular AF

Dose ____ with or without food. No special monitoring required.

Side effect includes _____ which may be taken with ___ or an ___ or ____
orally;

stroke; systemic embolism;

BID;

Dyspepsia;

Food; H2RA; PPI
Dabigatran etexilate is eliminated ____ and is not affected by, nor has any effects on the ____ system.
renally; P450
WArfarin causes more ______ bleeding where as Dabigatran etexilate causes more _____ bleeding. But the overall risk is ____.
intracranial; GI; similar
Fondaparinus sodium indirectly inhibits factor ____.

Is a synthetic ______ which contains the site on ____ where binding occurs to ATIII, causing an irreversible conformational change in the ATIII and the conferring specific ______ is increased several thousand-fold compared to ATIII alone.

Indicated for prophylaxis of ____ that may lead to ___ in its undergoing: (3)
Xa.

pentasaccharide; heparin; anti-Xa property;

DVT; PE;

hip fracture surgery (including extended prophylaxis), hip or knee replacement surgery; abdominal surgery in pts who are at risk of TE complications
Rivaroxaban is an ____ Xa inhibitor.

Indicated for prophylaxis of ____ that may lead to ___ in pts undergoing hip or knee surgery. Reduces risk of ___ and ____ in pts with nonvalvular AF.

No need for coagulation monitoring.
oral;

DVT; PE;

stroke; systemic embolism
Dabigatran is slightly better than _____;

Rivaroxaban is _____ compared to warfarin.
warfarin;

similar
Warfarin is the ____ expensive.
least
Aminocaproic acid inhibits _____ via inhibition of _______ and ________.

Indicated for the tx of excessive _____ resulting from excessive systemic ____.
fibrinolysis; plasminogen activator substances; antiplasmin activity;

bleeding; fibrinolysis
Tranexamic Acid competitively inhibits ______ activation and noncompetitively inhibits ____ (at a ____ dose); Is about ___x more potent than aminocaproic acid.

Indicated for short term use in ____ its to reduce or prevent ____ and to reduce the need for ______ therapy during and following tooth extraction.
plasminogen; plasmin; higher; 10;

hemophilia pts (2-8 days); hemorrhage; replacement
Thrombolytic agents are _____ activators that act either directly or indirectly to convert _____ to ______ which then functions to.......
plasminogen;

plasminogen to plasmin;

degrade clots
As clots are lysed, increased local concentrations of _____ may occur, causing enhanced platelet aggregation and thrombosis. adjunctive, prophylactic administration of ____ or _____ is used to prevent rethrombosis.
thrombin;

aspirin (antiplatelet) or heparin (anticoagulant)
Lysis of the fibrin clot produces ________. Fibrinogen is depleted and factors ___, ___, ___ and ___ are degraded.

The _____ state inhibits further clotting but also impairs ______
fibrin degradation factors; I, II, V, and VIII;

"Lytic"; hemostasis
Principle ADR of thrombolytics is _______.

Plasmin cannot distinguish between a _____ and a ____ that prevents bleeding from a vascular injury.
hemorrhaging;

pathologic thrombus; hemostatic plug
Plasminogen activators not only act upon fibrin-bound plasminogen but also on circulating ______, producing a plasmin-generated ____________
plasminogen;

systemic fibrinolysis ('lytic state')
Thrombolytic drugs cause ______ of clots and decrease mortality as well as improve____ after an acute MI if administered soon enough.
dissolution;

LV function
Candidates for thrombolytic therapy after an MI if: (4)
within first 12 hours of onset of chest pain; from 12-24 hr after onset and symptoms ongoing of ischemia (persistent ST set elevation, chest pain); ST set elevation in two or more adjacent leads or a new LBBB; no contraindications to thrombolytic tx
After ____ hours, pt is not eligible for thrombolytic therapy
24
Absolute contraindications for thrombolytic treatment (4):
Hx of hemorrhagic stroke at any time; acute pericarditis; active internal bleeding; known intracranial neoplasm
Advanced age is not considered a _______ but may be a high risk factor for thrombolytic therapy.
contraindication
Benefits of thrombolytic therapy are seen when given........

They include: (3)
as soon as possible after symptom onset;

early coronary artery patency; improved LB function (increased EF, decreased infarct size); reduction of mortality
Risks of thrombolytic therapy include (1):
hemorrhage (no significant difference among thrombolytic agents)
Alteplase is a ___________ that has greater ____ specificity than SK (streptokinase) without having the ____ effect.

Is a recombinant DNA product identical to endogenous _____
direct plasminogen activator;

fibrin; antigenic effect

tPA (tissue plasminogen activator)
Alteplase is a ___________ that has greater ____ specificity than SK (streptokinase) without having the ____ effect.

Is a recombinant DNA product identical to endogenous _____
direct plasminogen activator;

fibrin; antigenic effect

tPA (tissue plasminogen activator)
Alteplase induces some systemic _____ but a far lesser degree is induced by alteplase than by streptokinase.
fibrinolysis
Alteplase is administrated via ____ only.

Indicated during a ______ for the lysis of ______ occluding coronary arteries, to improve_____, and to reduce incidence of ____ and ______.
IV;

STEMI; thrombi; ventricular function; CHF and Mortality
What dose of alteplase has been associated with an increase in intracranial bleeding?
150 mg
Reteplase has a longer half-life than _____.

Used for management of _____, for improved ________ following an acute MI and for the reduction of incidence of ___ and _____.

Has a slightly lower ____ for bound fibrin and a slightly greater tendency to ______ compared to alteplase since the fibrin-binding domain is not present in the smaller MW reteplase.
alteplase;

STEMI;

ventricular function; CHF and mortality;

affinity systemic fibrinolysis
Reteplase is dosed ____ only as a double ________.

___U over 2 min then ___U over 2 min started 30 min after first dose.
IV; bolus injection;

10; 10
Major advantage for reteplase is.....
the speed at which thrombolysis can be achieved (total dose given over 30 min; alteplase takes 90 min)
Tenecteplase has a prolonged _____ which allows a single, ____ dose over ____s.

Has the highest specificity for ______ and the lowest ____ potential
half-life; IV; 5 sec;

pathologic fibrin clots;

antigenic
Aspirin irreversibly acetylates (forms covalent bond) the platelet enzyme ______ blocking the formation of ____.
COX-1;

TXA2
ADP-receptor (P2Y12) antagonists include ___ and ____
ticlopidine, clopidogrel
Drugs that are GPIIb/IIIa receptor antagonists are ____ and _____.

Drug that is an Ab to the GPIIb/IIIa receptor complex is _____
eptifibatide and tirofiban;

abciximab
Aspirin is a clinically effective anti-______ drug. What is the dose that is considered an anti-____ dose?
platelet;

80-325 mg/day; antiplatelet
By binding to COX-1, ASA prevents the formation of platelet aggregating agent ______ and suppresses platelet function for _____ (__ days)
thromboxane (TXA2); its lifetime; 10
What are the 4 indications for aspirin?
primary and secondary prevention of MI, secondary prevention of stroke; acute coronary syndromes
ASA use reduces the risk ______ events in adults without a hx of CV disease (_____ prevention).

For men, the benefit is to ___________ and for women, the benefit is to _________
CV disease events; primary;

prevent a first heart attack, prevent a first stroke
Dipyridamole inhibits platelet _______; increases platelet ______; and inhibits platelet ______ and ______.

The PO dosage form is used as an adjunct to ______ anticoagulants in the prevention of _______ complications of cardiac valve replacement.
phosphodiesterase (PDE); cAMP; platelet adhesion and aggregation;

coumarin; postop thromboembolic complications
Triclopidine is an __________.

Is an irreversibly platelet ____ inhibitor: inhibits primary and secondary phases of platelet _____ induced by ___ and ___.

Has no cross-reactivity with ____ and is equally as effective but much more expensive;
adenosine diphosphate receptor antagonist;

aggregation; aggregation; ADP; fibrinogen;

Aspirin
Triclopidine should be reserved for pts who are intolerant or allergic to ____ or who have failed ____ therapy due to the possibility of life-threatening ______.
ASA; ASA;

blood dyscrasias (constituents in the blood are abnormal in number)
Black boxed warning for Triclopidine includes warnings for ____ and ______.
Neutropenia and thrombotic thrombocytopenia purpura
Clopidogrel bisulfate is a _____.

Is a _____ selective platelet ____ inhibitor with 3x the potency of ticlopidine.

Is a prodrug that requires......

The active metabolite irreversibly inhibits __________ by inhibiting the binding of ____ to its _____ receptor. It prevents subsequent ___-mediated activation of the glycoprotein IIb/IIIa complex.

Platelets blocked by this are inactivated for....
ADP receptor antagonist;

ADP; aggregation;

in vivo conversion to the active metabolite;

ADP-induced platelet aggregation; ADP; P2Y12; ADP

the remainder of their lifespan.
Clopidogrel bisulfate is only marginally more effective than _____ but is safer than _____ with no cross reactivity to ASA
ASA; ticlopidine
Clopidogrel has a much lower incidence of _____ compared to ticlopidine and a lower incidence of _____.

Only had a small number of cases of ________ reported as well.
bleeding disorders; neutropenia.

thrombotic thrombocytopenia purpura
For acute coronary syndromes, combination of ___ and ____ is beneficial and reduces the risk of ___ and ___.
ASA; antiplatelets;

MI; Death
For bare metal stents, should treat with ____ plus ___, ___ or ___ for at least _____.
ASA; clopidogrel, prasugrel, ticagrelor; 1 month
For drug-eluting stents, should treat with ____ plus ___, ____ or ____ for at least _____.
ASA; clopidogrel, prasugrel, ticagrelor; 1 year
After placing stents; _____ should be continued indefinitely.
ASA (81 mg/day)
Prasugrel is indicated to reduce the rate of _____ events including _____, in its with ACS who are managed with PCI.
CV events; stent thrombosis
Prasugrel is ______ that undergoes rapid conversion by hepatic _____________.

Inhibitors of 2C19 should not exert any effects and genetic variations in 2C19 should not cause.........
prodrug; P450 CYP3A4;

suboptimal response to the drug
Prasugrel is contraindicated with active ____ (___ or ____) and with a hx of prior ___ or ___.

Is not recommended for people over 75 because of an increased risk of....
bleeding (PUD, Intracranial hemorrhage); TIA or stroke;

fatal and intracranial bleeding
Triclopidine Inhibits ADP-induced ______-_____ binding and ___-____ interactions
platelet-fibrinogen; platelet-platelet
Ticagrelor has a _____ onset and binds to platelets ______ so the effects are _____-lasting.

May cause ____ which is considered a self-limited effect and usually goes away with.....

Indicated to reduce the rate of _______ in its with ACS

MOA is as an _____ inhibitor.
faster; reversibly; shorter;

dyspnea; continued treatment;

thrombotic CV events;

P2Y(12) inhibitor
Platelet GIIb/IIIa receptor antagonists are administered ____ and inhibit platelet aggregate by reversibly inhibiting the binding of _____ to the GPIIb/IIIa complex.

Two drugs include ______ and ______
Intravenously; fibrinogen;

eptifibatide; tirofiban
Eptifibatide is indicated for the tx of its with _____ and its undergoing ______.
ACS; PCI
Tirofiban is indicated for use with ____ for tx of ____ including medically managed its and those undergoing ____ or _____.
heparin; ACS; PTCA; atherectomy;
Eptifibatide and Tirofiban reduce the risk of ___, ____ , ____ or _____
new MI, death, refractory ischemia, repeat cardiac procedure
Abciximab is an _____ to the GPIIb/IIIa receptor. It inhibits platelet aggregate by binding to the GPIIIb/IIIa platelet _______ involved in binding of fibrinogen, vWF and other adhesive factors.

Indicated as an adjunct to _______ for prevention of acute cardiac ischemic complications in its at high risk for _____.

Intended for use with ___ and ____
antibody;

receptor sites;

PTCA (percutaneous transluminal coronary angioplasty); abrupt closure of the treated coronary vessel;

heparin and aspirin
Cholestyramine is an __________ that is used for isolated increases in ___.

Is an add on therapy for an additional lowering of _____ when combined with another drug of a different class.

MOA: _______ which releases ______ in exchange for anions of ____ in the SI. Resulting complex is insoluble and not _____.
anion-exchange resin; LDL;

LDL;

Anion-exhcange resin; chloride anion; bile acids;

absorbed.
Cholestyramine interrupts the enterohepatic ______ and increases fecal elimination of _____.

Causes lowered intracellular _____, up regulation of cell surface _________, increased intracellular ____ uptake and lowered plasma ____ and ____.
recirculation; bile acids;

cholesterol; LDL receptors; LDL; LDL and total cholesterol
Cholestyramine may increase absorption other _____ and _______. Take other drugs ____ hours before or ____ hours afar.
drugs; fat-soluble vitamins.

1-2; 4-6
What are the two bile acid sequestrant drugs?
cholestyramine and colesevelam
Cholesevelam is a _____ polymer.
nonabsorbed
Niacin strongly inhibits ____ in adipose tissue (decreases ____ release, decreases hepatic synthesis of ____ and _____).

LDL is a ____ degradation production so a decreased product by the liver causes a decrease ____.
lipolysis; fatty acid; TG and VLDL;

VLDL; LDL
Nicotinic acid (niacin) results in a decreased level of ____ and ___.
LDL and TG
Niacin increases activity of _____ resulting in an increased clearance of ____ lowering __ levels.
lipoprotein lipase; VLDL; TG
Niacin inhibits hepatic uptake of ____ but does not prevent ___ removal from HDL. It also increases the amount of circulating ______ which is responsible for removing cholesterol from.....
HDL-C; choelsterol; HDL; peripheral tissues
Pharmacologic effects of niacin include:
decreased LDL, TGs and increased HDL
Nicotinic acid (niacin) is the most effective antihyperlipidemic because of its ability to....
increase HDL
Niacin is indicated as an adjunct to diet, alone or in combination with a ____ for reduction of elevated ___ and ___ levels in its with heterozygous ____________ (types ___ and ___) when the response to diet an other non pharmacological measures is inadequate.
bile acid sequestrate;

TG and LDL;

primary hypercholesterolemia (types IIa and IIIb);
Niacin can be used as an adjunct therapy for the treatment of very high serum ____ (Types ___ and ___) who are at risk for _____. (>___mg/dL)
TG's (IV and V); pancreatitis;

2000
Niacin warnings and precautions: Can cause mild to severe _____, sensation of ____, _____, _____ and ____ about 1-2 hours post dose.

These are a ______-mediated effect and prophylactic ____ may be beneficial before each dose (325 mg 30 min prior)
cutaneous flushing, sensation of warmth, redness, itching, and burning;

prostaglandin D2; aspirin
Fibric acid (Fibrates) stimulate _____ activity resulting in a decreased ______ which decreases serum ____.
lipoprotein lipase; VLDL; TG
Fibric acids activate the _________-receptor (PPAR-alpha). Stimulation of this reduces expression of genes that code for _____, which normally inhibits lipoprotein lipase.

Removal of this inhibition stimulates the ______ and allows for the enhanced clearance.

It also up regulates the ____ genes which may be responsible for raising ___ levels.
peroxisome proliferator-activated receptor;

apoC-III;

lipoprotein lipase;

apoA1; HDL
Fibric acid drugs work by lowering ____, raising _____, and lowering ____ in isolated hypercholesterolemia.
TGs

HDL

LDL
Fibric acids are the dOC for the reduction of ___ levels in hypertriglyceridemia with normal ____ levels as well as in familial ________.

May be useful in combined _______ and ______. In these conditions there is a lipid triad with elevated ____, ____ and lowered ____ (termed _________ with a high CHD risk).
TG; cholesterol;

dysbetalipoproteinemia;

hypercholesterolemia and hypertriglyceridemia;

LDL, TG, HDL; atherogenic dyslipidemia
ADR of fibrin acids include.......
Dyspepsia, gallstones, and incidence of myopathy when combined with a statin (rhabdomyolysis)
Fibric acids can increase the anticoagulant effect of ______.

Gemfibrozil inhibits the metabolism of ____ (except _____) and has an increased risk of ________.
warfarin;

statins; fluvastatin; rhabdomyolysis;
Fibric acids are contraindicated in ____, _____, and ____ diseases.
hepatic, gall bladder, and renal
What are two common fibrin acid drugs?
gemfibrozil and fenofibrate
Gemfibrozil is indicated as an adjunctive therapy to _____ for hypertriglyceridemia (types ___ and ____) in its at risk for ______ where diet alone has not been sufficient.

Contraindications: ____ or _______ and _______.

Warnings: ______ has occurred with combined gemfibrozil-_______ therapy and concurrent use with _______ is not recommended.
diet; IV and V; pancreatitis;

hepatic or severe renal dysfunction, gall bladder disease;

Rhabdomyolysis; lovastatin; HMG-CoA antagonists (statins)
Fenofibrate is used as an adjunct to diet in pts with very high ____ levels (type ___ and ___ hyperlipidemias) who are not appropriately controlled by diet alone and are at risk for ______.

Is a prodrug which is completely hydrolyzed in the _____. Active metabolite is ______.

Contraindicated in ____ and ____ disease.
TG; IV and V; pancreatitis;

duodenum; fenofibric acid;

hepatic and gall bladder
HMG-CoA reductase inhibitors are commonly known as _____ and include....(5 drugs)....
statins;

lovastatin, simvastatin, pravastatin, atorvastatin, rosuvastatin
Statins MOA is by competitive inhibition of the enzyme _________ which catalyzes the early rate-limiting step in ______ biosynthesis (conversion of ____ to _____);

They reduce hepatocellular _______, up regulate the ___ receptors and increase ____ clearance.

They also induce an increase in high-affinity ____ receptors to increase LDL ____ and reduce ____ levels.

Most effective at decreasing the number of.......which are the most atherogenic.
HMG-CoA reductase; cholesterol; HMG-CoA; mevalonate;

cholesterol; LDL receptors; LDL;

LDL; extraction; plasma;

small, dense LDL particles;
Statins average effect on the lipid profile includes a decrease in ____ , an increase in ____ (lowers the ____ ratio) and a decrease in ____.
LDL; HDL; LDL:HDL ratio; TGs
Lovastatin is indicated for......
primary and secondary prevention of CHD
Pravastatin is indicated for.....
primary and secondary prevention of coronary effects (reduce risk of MI and recurrent MI) and secondary prevention to reduce risk of stroke and TIA
Simvastatin is indicated for....
secondary prevention in pts who already have CHD
Fluvastatin is indicated for....
secondary prevention
Atorvastatin is indicated for.....
primary prevention in pts with type II DM and those without clinically evident CHD but with multiple risk factors to reduce the risk of MI and stroke and also secondary prevention
Rosuvastatin is indicated for....
primary and secondary prevention
Statins have a risk of _____ and the risk is increased with concurrent use of inhibitors of the ____ system (____ juice) and when using ______ or ____.
myopathy;

P450; grapefruit;

fibrin acids; niacin
Risk factors for myopathy in pts receiving statin-fibrate combinations include (3):
renal dysfunction, age>=80, high doses of statins
Simvastatin, lovastatin and atorvastatin plasma levels are increased by ____ inhibitors.
3A4
Pravastatin: phase II sulfate conjugation reactions only and have _____ expected with 3A4 inhibitors.
no drug interactions
Which statin is the most potent in lowering LDL?
Rosuvastatin
Ezetimibe is a ___________.

Localizes and acts at the ______ of the SI epithelial cells to block _____ absorption from the gut lumen from both ____ sources and _____ excretion.
cholesterol absorption inhibitor;

brush-border; cholesterol; dietary; biliary
Acute coronary syndrome is an operational term that refers to any group of symptoms that indicates _________.
myocardial ischemia
Majority of STEMI's are ____ Wave AMIs
Q
ACS in the absence of ST seg elevation indicates _____ or _______.
unstable angina; non-ST seg elevation MI
ER/intial therapy for the treatment of high or intermediate risk unstable angina and NSTEMI's include _____, ______, and ______.

Can use ______ if the NTG falls and this will also cause ____ and modest HR _____.
supplemental nasal oxygen; aspirin; sl NTG;

Morphine sulfate; venodilation; reduction
Class I recommendations for initial anti-ischemic therapy in the management of unstable angina/NSTEMIs include ____ sl or spray followed by _____ within the first 48 hours; ____ within first 24 hours if no contras; and ____ within the first 24 hours with pulmonary congestion or LVEF <40% in absence of hypotension.
NTG; IV;

BB;

ACEIs
Class III recommendations: Nitrates should not be administered if......(5 contras)......

What should be discontinued at the time the pt presents?
SBP <90; severe bradycarida; tachycardia in absence of sx HF; RV infarction; received a PDE inhibitor in last 24-48 hrs;

all NSAIDS except aspirin
Nitrates in the ICU are given via _____ as a ______ infusion; they are titrated up until.....
IV; continuous; pain is relieved or until side effects limit further increase
BBs given in the ICU include ____ and ____.

Given to ____ pts with no contraindications.

They decrease the risk of progression to ____ but have not been shown to decrease mortality in ____.
metoprolol; atenolol;

high risk;

AMI; UA
CCBs given in ICU are used for _________.

Avoid use in ______ and ______ and Avoid the use of immediate release _______ especially _____.
Prinzmentals (vasospastic) angina;

LV dysfunction; pulm edema;

dihydropyridine CCBs; nifedipine
In the ICU, anti platelet therapy is beneficial both ____ and ____ in UA.

Use _____ if aspirin intolerant.

Should be given ________ after presentation and continued ________.
acutely; chronically;

clopidogrel;

ASAP; indefinitely
In the ICU, ____ heparin is indicated for pts at high or intermediate risk. Given as an ____ followed by a ______ to maintain an APTT at 1.5-2.5x's control.

Anticoagulant therapy should be added to the....
UFH;

IV bolus; infusion;

antiplatelet therapy (ASA or clopidogrel)
Which LMWH is approved for use in the ICU to treat ACS?
enoxaparin
If a noninvasive strategy has been chosen in the ICU to treat UA/NSTEMI, which drugs have been established to be effective?

If there is an indicated risk of bleeding, which would you use?
UFH, enoxaparin, fondaparinux;

fondaparinux
If you do not Stent a pt with UA/NSTEMI, what do you treat them with late/at discharge?
ASA 75-162 mg/day, SL NTG, clopidogrel 75 mg/day for at least 1 mo up to 1 year
If pt is treated with a bare metal stent for UA/NSTEMI, what do you treat them with late/at discharge?
ASA indefinitely, SL NTG, clopidogrel 75 mg/dal for at least 1 mo and up to 1 year
BB's are indicated as treatment for UA/NSTEMI (late tx/ at discharge) unless.......

What can be given if BB therapy is unsuccessful or are contraindicated?
contraindicated;

CCB's
For late tx/at discharge of pts with UA/NSTEMI, Should give ____ to all pts with HF, LV dysfunction, HTN, or diabetes and should be continued ______ unless contraindicated.

Can also use long term ____ for its without significant renal dysfunction or hyperkalemia who are already on ACEIs with LVEF <40% and have sx HF or DM.
ACEIs;

indefinitely;

AAs (aldosterone antagonists)
Prehospital management of a STEMI includes the administration of....
162-325 mg of aspirin
What are the criteria for dx of STEMI with chest pain?
ST seg elevation in 2 adjacent leads or new LBBB; New Q waves
Class I recommendations for thrombolytic therapy in STEMI pts: Pts with ST seg elevation or new LBBB who present within ____ hours of sx onset should receive fibrinolytic therapy in the absence of contraindications.
12
Class III recommendations for thrombolytic therapy in STEMI pts: not advised in pts without ________ (except in ________ with ST depression in V1 and V2) or in asx pts whose initial symptoms began _______.
ST Seg elevation; posterior infarction;

More than 24 hours ago
______ treatment is combined with thrombolytic therapy to prevent recurrence of coronary thrombosis.

Class I recommendations: Pts undergoing thrombosis should receive these medications for a min of ____ hours and preferably for the duration of the hospital stay, up to ______.
Anticoagulant;

48 hours; 8 days;
______ therapy should be added to its with STEMI's regardless of whether they undergo reperfusion with thrombolytics. Tx should include ________ and ________ for at least ____ days.
Antiplatelet;

Aspirin 81-162 mg/day; Clopidogrel 75 mg/day; 14
RAAS inhibitors should be given to a STEMI pt within the first___ hours with AWMI, pulm congestion or LVEF <40% in absence of hypotension or contraindications.
24;
Nitroglycerin Tx in STEMI pts: Give SL NTG ___mg every ____ min x ___ doses.

Follow this with.....

Indicated for relief of ongoing _______, control of _____ or management of pulmonary _______.
0.4; 5; 3;

IV NTG;

Ischemic discomfort; hypertension; congestion
Do not give NTG to pts with a SBP<90 because the hypotension can cause...
a decrease in coronary perfusion, allowing the infarct size to increase
Do not give NTG to pts with a HR of <50 or >100 bpm because....
hypotension and bradycardia may occur with first dose and reflex tachycardia may then occur.
Do not use NTG in an ______ infarct or in a ____ infarct due to the high risk of ______.
inferior wall; right ventricular;

hypotension
Morphine sulfate is given to STEMI its who are in severe ____.

How does it cause venodilation?

Also decreases ____ And _____ which _____ myocardial oxygen demand.

Also decreases circulating _______.
pain;

blocks central sympathetic outflow;

TPR; afterload; decreases;

catecholamines
ASA results in an overall ___% reduction in death, _____, and _____ in the STEMI setting. The mortality benefit is additive to thrombolytics.

What is the dosage for acute management?
25; reinfarction; stroke;

162-325 mg/day
PO BBs should be given to STEMI its within the first ____if no contraindications.

IV BBs should not be given to STEMI pts who have any of the following contraindications:
24;

Signs of HF or low output state, increased risk of cardiogenic shock, 2nd or 3rd degree heart block
_______ (excluding ____) should not be administered during hospitalization for a STEMI
NSAIDS; ASA
CCU drug therapy for Tx of STEMI includes....

Daily _____

IV ______ for 24-48 hours after hospitalization
ASA continued 81-162 mg/day; NTG
A Large anterior ___ or ______ seen on an echo indicates a high risk of embolic stroke.
MI; LV mural thrombus
On the cardiac floor, the use of NTG beyond 48 hours is reserved with its with ____, _______ or ______
HF, persistent chest pain, HTN
On the cardiac floor, UFH or LMWH (anticoagulant) should be used for pts at high risk of __________.
thromboembolism
Numerous clinical trials have indicated that early administration of a beta blocker reduce the incense of ____, ______, ________, ________ and _______
ventricular arrhythmias, sudden death, recurrent ischemia, reinfarction, and mortality
If administer BBs after 24 hours postMI, the goal is to prevent ___ and ____.

Pts with ____ may benefit to an even greater extent than other pts.
reinfarction and death;

CHF
ACEI's can be administered as early as ____ day(s) post-MI for at least ____ weeks to reduce ____, _______, ______ and ____
1; 6;

mortality, recurrent MI, incidence of CHF, ventricular remodeling
In a STEMI, which two CCBs are the only ones that can be used? When can they be used?
verapamil; diltiazem;

when there is persistent angina or HTN unresponsive to BBs or BBs are contraindicated
Class 1 post discharge anti platelet anticoagulant therapy includes tx with ______ and _______ or _____.
aspirin;

clopidogrel, prasugrel
For post-discharge tx with aspirin, all its without a risk of bleeding should be given ____________mg/day and then follow with ______ mg/day indefinitely.
162-325; 81-162
For post-discharge tx with clopidogrel, give ___ mg/day or ________ (___mg/day) for all its who receive a drug-eluting or bare metal stent for _____ months.

For pts who do not receive stent tx, treat with clopidogrel for....
75;

Prasugrel (10);

12;

14 days
Give Warfarin for ____ or ____/_____ and post-MI when indicated.
paroxysmal or chronic AF or Aflutter
ACEI tx post-discharge: should be started and continued ___________ for all pts post-STEMI with decreased LVEF and other chronic diseases (DM, HTN, Renal, etc)
indefinitely
Aldosterone blockade in post-MI pts without significant renal dysfunction or hyperkalemia is recommended in pts who are already receiving a ___ and ___, have a LVEF <40% and have either ____ or ____.
ACEI, BB;

DM, HF
Alteplase (tPA) is a ____ Form of endogenous tissue plasminogen activator that directly converts _____ to _____.

Requires a bolus plus ____ infusion
rDNA; plasminogen; plasmin;

90 min
Reteplase (rPA) is a modified portion of____, has a _____ half-life allowing dosing by.....

Has ____ fibrin specificity than tPA.
tPA; longer; two IV boluses 30 min apart;

Lower
Tenecteplase is a modified _____ tPA, has the _______ half-life allowing a (dosing):

Has the _____ fibrin specificity
endogenous; longest; single IV bolus over 5 seconds

highest
Greatest benefit of use of thrombolytics post-MI is within ____ hours.
6
BBs are used post-MI to modulate excessively high Post-MI _____ Activity, decrease ______, limit ____ and _____
sympathetic; myocardial oxygen consumption; infarct size and myocardial damage
Long term use of BBs is to reduce ______. should be started ________ and continued.
mortality; ASAP; indefnitely
Vasodilators decrease _____ and ____, reduce ____ and myocardial wall _____ and stops the _____ process which causes LV dilation and progression to HF
preload and afterload; stress; remodeling
Which pts have the greatest benefit for ACEI's?
anterior wall MI, sx of HF, tachycardia or hx of previous MI
Nitrates can be given to reduce coronary _____ and decrease oxygen demand by decreasing _______. Also limits ______ and improves ________.
vasospasm; preload; infarct size; LV function
CCBs cause coronary _________. Improve coronary _______ and decrease oxygen _______.

Avoid which drug?
vasodilation; perfusion; demand;

nifedipine