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39 Cards in this Set

  • Front
  • Back

antiplatelet groups

1. Cox inhibitors
2. Phosphodiesterase inhibitors
3. ADP inhibitors


4. GP IIIb-IIa antagonists

Aspirin

TIA, MI, Thromoboembolic disorders, ACS, stents
arthritis, juvenile arthritis, rheumatic fever



A.R.reyes syndrome, tinnitus, thrombocytopenia, rash, asthma
Contra-bleeding, hepatic impairment, impaired renal function

Phosphodiesterase inhibitors

•Dipyridamole (Persantine)•
Decreasesplatelet aggregability•
Weakantiplatelet – usually used in combination with ASA or Warfarin
•Thromboembolicdisorders
•Indirectcoronary vasodilator

thienopyridines

•Alwayed use for CAS
•Block the binding of ADP to a plateletreceptor P2Y
•Inhibits activation of the GP IIb/IIIacomplex and thus prevents platelet aggregation
•Wantto prevent platelet aggregation

Ticlid-ticlopidine
Plavix-clopidogrel
Effient-prasugrel

1. thrombocytopenia


2. Delayedonset of action•Largeindividual variability in platelet response•Irreversibilityof its inhibitor effect on platelets•Studiesfound 20-25% of patients were Plavix resistant


3. •Morerapid onset of action than others•Ableto achieve higher degree of platelet inhibition vs Plavix•Increasedrisk of bleeding in patient over 75 years of age or weighing less than 60 kg
Can’tuse for any patients that have had a stroke.
off for 7 days. GI discomfort-plavix.


Afib, HTN, HLD H.A. effient

Brilenta

•New chemical class of antiplatelet agent•Cyclopentyltriazolopyrimidines-cptp class•Oral p2y12 receptor antagonist that blocks adp•Has a different binding site than plavixor effient•Does not require metabolic activation•Peakeffect 2 hours•More consistent antiplatelet effect/moreplatelet inhibition


off for 5 days. SOB

GPIIb-IIIa antagonists

•Eptifibatide (Integrelin)•Abciximab (Reopro)•Tirofiban (Aggrastat)
ACS, adjunct to PTCI, Unstable angina. must be give iv

anticoagulants

1. warfarin-vit K expoxide reductase inhibits


mechanical valves only


2. UFH/Lmwh-HIT renal adjustment with lmwh


3. NOACs- Xa inhibitors
praxada- direct thrombin inhibitor





NOACS

non val afib- eliquis, xarelto, pradaxa, savaysa
DVT/PE- eliquis, xarelto, pradaxa.
Arixtra and savaysa- cant start on
DVT, PE, arthroplasty prophylaxis-all

reversals
off for surgery

praxbind-pradaxa, xarelto, eliquis fda not approved
prothrobmin complex concentrate-warfin
recombinate factor VIIa- for hemophiliacs

Surgery/Procedure•Xarelto,Pradaxa, Savaysa 24 hours•Eliquis– 48 hours•Majorsurgery – Pradaxa 2-4 days

direct thrombin inhibitors

bivalrudin-angiomax-hit/ptci
argatroban-hit

inhitors/fibrinolysis

•Protamine •reverseeffects of heparin. Conclusion of CABG
•Aprotinin•Usedduring cardiac surgeries. May increase post op ARF
•Aminocaproic Acid/Tranexamic Acid•reduceperioperative bleeding during CABG

Class Ia

•Class I drugs•Inhibitfast sodium channels during depolarization (phase 0)
Decreasesdepolarization rate
Decreasesconduction velocity
Lengthen both action potentialduration/Effective refractory period
•Prolong repolarization owing to K channelblockade
•Quinidine – old not just much
•Procainamide - old not used much•Procainamidechallenge with WPW syndrome•Disopyramide- notmuch use

Class Ia uses

•Atrial Fibrillation/Flutter
•Wpw (procainamide challenge)
•SVT/VT•
Common Side effects: Nausea, diarrhea•Serious/Common Adverse Effects•Caninduce Torsade's; Complete Heart Block; VT; Anticholinergic effects (Quinidine)•Contraindications•ProlongQT•Myastheniagravis

Ib

•Less powerful Sodium blockers
•Shorten action potentialduration/refractory period


•Ischemic muscle – Lidocaine blocks ATP dependent channelsthus shortening ventricular repolarization•Lidocaine gtt to suppress VT storm
•Mexiletine
•Phenytoin - seizures_

ib uses

VT
Local AnesthesiaSeizures
Adverse EffectsAsystole; BradycardiaHypotensionNausea/Vomiting
ContraindicationsWPW; SA/AV/Intraventricular Blocks

Ic

Most potent Sodium channel blockers


Decrease speed of conduction of cardiac impulsesThis in turn may contribute to the proarrhythmic effects of these drugs


Flecainide


Propafenone


Encainide


moricizine

Ic uses

Atrial fibrillation
Sustained VT- (amiodarone used more often)Paroxysmal Supraventricular
Tachycardia
Adverse EffectsNausea; Dizziness; DyspneaCan induce Cardiac arrestSinus node dysfunctionProlonged QT
ContraindicationsProarrhythmic Effects, Post MI

II

B-adrenergic antagonistDecrease rate of phase 4 depolarization which results in decreased autonomic nervous system activity


Suppression of ventricular arrhythmia


Prolongs p-r interval


Decrease incidence of arrhythmia related morbidity/mortality Exact mechanism remains unclear

III

Potassium ion channel blockers
Prolongs cardiac depolarization/action potential duration/refractory period
Decreases excitability of the myocardial cellsIbutilideDofetilide/tikosyn- must be hospitalized,loading over 3 days,
Sotalol – used for more VT.
Bretylium-no longer available in usAmiodarone( also NA channel blockade; B blocker and calcium channel blockade)( Class I, II and IV)PFTs, thyroid panals,

Dronedarone (multaq)- Less lipophilic (results in shorter half life)Have to stop with acute heart failure- increased mortalityCan reintroduce once exacerbation has cleared up

III uses

•Atrial Fibrillation/Flutter•VT•SVT•WPW•Adverse Effects•Bradycardia;Torsade's de pointes; Proarrhythmic•Hypotension•Increasedmortality with CHF (Dronedarone)•PulmonaryToxicity; Thyroid Dysfunction; Parkinson like syndrome (rare) (amiodarone)

IV

Calcium channel blockers-inhibit inward slow calcium ion currents that may contribute to tachycardia.


Non-Dihydropyridine (1st treatment for afib in er)VerapamilDiltiazemUsesRecurrent re-entry psvtAtrial fibrillation –reduce ventricular response rate


Adverse Effects: Bradycardia/hypotension

adenosine,

adenosine •Inhibits sa node, atrial and av nodalconduction•Av node more sensitive than sa node•Plasma half life of 10 seconds•First line treatment for narrow complexsvt•Adverse effects:•Bradycardia,nausea, vomiting, ha, hypotension•Bronchoconstriction-asthmapts



digoxin

•Cardiac glycoside•Selective inhibitor of sodium pump•Helps to decrease automaticity at the avnode-prolongs the refractory period and slowing conduction through the node•Uses:•Atrialfibrillation; Heart failure- less common now•Common side effects:•Bradycardia,multiple drug interactions-dig toxicity

mag/K

•Potassium•Hypokalemia/hyperkalemia•Ectopicbeats/bradycardia•Magnesium•Torsade'sde pointes

thiazide

first line


inhibits Na/cl at distal convoluted tubule


decrease volume and vasodilator effect.


a.e. hypotension, photo, hypok, hypon


contra-Hctz-QT, sulfa allegy, hctz-hyperglycemia. anuria

loop diuretics

inhibits Na/CL at loop of henle, distal and prox convuleted tubules.


sulfa allergy use ethacrynic acid-edecrin



calcium channel blockers

inhibits Ca ion influx into vascular smooth muscle and myocardium


arteriolar dilators.


for angina, spasms, raynauds.


pines.


se-palp, peripheral edema


dihydrophrides little effect on heart rate

ace inhibitors

htn, CHF, diabetics nephropathy, post MI


cough bradykinin, angioedema, hyperkalemia poteinuria. no to bil renal stenosis, pregnancy, renal failure

arbs

ATI antagonists


ATII indirectly vasorelax
tans
htn, diabetic nephropathy, chf, post mi, prevention of stroke

potassium sparing diurectics

inhibits aldosterone


amiloride/tramaterne- natriuretic, diuretic and antihypertensive, inhibits sodium channel




hyperkalemia, gynecomastia.
can be used in liver cirrhosis
avoid in AKI

renin inbitiors

aliskiren


inhibits renin which converts angiotensinogen to angiotension I


can be used with renal insuff.


causes hypo, angioedema, hyperkalmia


dont use with ace,arb, cyclosporine

potassium channels vasodilators

minoxidil


severe/refractory HTN, male alopecia


reflux tachy-take bb, peri edema- take diuretic


hypernatur,

phosphodiesterase inhitors

PDE5


ED, pulm htn




h.a. flushing, hypotension


can not take with nitrates

endothelin receptor antagonists

Bosentan (Tracleer)- IV or po
Letairis (Ambrisentan)- Can be given once a dayUsed to treat Pulmonary Hypertension
Adverse Effects: Bosentan – Potential for liver toxicity and fetal harm only prescribed thru Tracleer access program
Letairis – Due to risk of birth defects – for female patients restricted through Letairis program

natriuretic peptides

•Nesiritide –Exogenous BNP
•IV medication used for acutelydecompensated Heart Failure-Short Term•Doesnot decrease mortality
•Smooth muscle relaxation•Works directly on cardiocytes•Decreases PCWP, SVR, Increases strokevolume•Lowers plasma levels of aldosterone andendothelin-1•
Promotes water excretion, but retains Na+•Does not affect Cr as much either•Loading dose followed by gtt•2-3days short term

hydralzine

dialates peripheral arterioloes


bidil-nitrate and hydralzine


h.a. palpitations, flushing, sle,

can't use with valvular rheumatic heart disease

clonidine

•Reduce sympathetic outflow from Medulla•Decreases Heart rate, contractility, andvasomotor tone
•Used to treat HTN has diminishedsecondary to adverse effects
•Common Side effects: •Hypotension(orthostatic)•Significantbradycardia•Constipation•Confusion,dizziness•Howto titrate down, can’t just stop
•CADuse BB not clonidine

alpha 1 antagonists

PrazosinDoxazosinTerazosin
Uses: BPH; Hypertension
Not on JNC 8, but still used for HTN
Adverse Effects: Marked first dose postural hypotensionIncreased urinary frequencyDizziness , syncope