• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/216

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

216 Cards in this Set

  • Front
  • Back
Proton pump inhibitors
Esomeprazole
Lansoprazole
Omeprazole
H2 receptor antagonists
Cimetidine
Famotidine
Ranitidine
Misc GI agents
Sucralfate
Neutralizing antacids
Aluminum hydroxide
Calcium carbonate
Magnesium hydroxide
Magnesium trisilicate
M1 antagonist
Pirenzepine
Prokinetic agents
Bethanechol
Cisapride
Erythromycin
Metoclopramide
Neostigmine
Tegaserod
Osmotic cathartics
Magnesium citrate
Magnesium hydroxide
Magnesium sulfate
Polyethylene glycol
Osmotic laxatives
Lactulose
Mannitol
Sorbitol
Wetting agents
Docusate
Irritant laxatives
Bisacodyl
Castor oil
Glycerin
Bulk-forming laxatives
Methylcellulose
Polycarbophil
Psyllium
Antidiarrheal agents
Bismuth subsalicylate
Diphenoxylate
Loperamide
Octreotide
Antiemetic agents
Diphenhydramine
Dimenhydrinate
Dolasetron
Hydroxyzine
Granisetron
Metocloperamide
Ondansetron
Palonosetron
Promethazine
Emetic agents
Apomorphine
Ipecac
Bowel disease
6-mercaptopurine
Budesonide
Alosetron
Azathioprine
Mesalamine
Olsalazine
Sulfasalazine
Esomeprazole
Proton pump inhibitor
covelantly modifies active site of H/K ATPase
prodrug requires acid activation - acid labile
lower acid secretion 90%, need 2-5 days
interacts with warfarin, diazepam, cyclosporine
Lansoprazole
Proton pump inhibitor
covelantly modifies active site of H/K ATPase
prodrug requires acid activation - acid labile
lower acid secretion 90%, need 2-5 days
interacts with warfarin, diazepam, cyclosporine
Omeprazole
Proton pump inhibitor
covelantly modifies active site of H/K ATPase
prodrug requires acid activation - acid labile
lower acid secretion 90%, need 2-5 days
interacts with warfarin, diazepam, cyclosporine
Unique- Omep. inh. clearance of disulfram and phenytoin, inc. clearance of imipramine, antipsychotics, tacrine and theophylline
Cimetadine
H2 blocker
blocks base level of acid secretion by ECL cells
decrease acid by 70%
good for nocturnal acid, duodenal ulcers
tolerance/rebound
long term use cimet. decrease testosterone binding (decreased sperm, imp, gynecomastia), hydroxylation of estradiol (galactorrhea)
Famotidine
H2 blocker
blocks base level of acid secretion by ECL cells
decrease acid by 70%
good for nocturnal acid, duodenal ulcers
tolerance/rebound
Ranitidine
H2 blocker
blocks base level of acid secretion by ECL cells
decrease acid by 70%
good for nocturnal acid, duodenal ulcers
tolerance/rebound
Sucralfate
Misc GI agent
makes a sticky pH neutral polymer coating
stress ulcers, sticks better to duodenal ulcers
acid activated, take before food, avoid PPI's and atacids
Side FX: contsipation
Aluminum hydroxide
Neutralizing antacid
slow acting
delays emptying, slows motility
Rebound acid secretion
constipation, nausea, binds tetracyclines, poss. PO4 loss
Calcium carbonate
Neutralizing antacid
rebound acid secretion
Magnesium hydroxide
Neutralizing antacid
fast acting
rebound acid secretion
contraindicated in renal disease
Magnesium trisilicate
Neutralizing antacid
fast acting
rebound acid secretion
silica is absorbed and may form renal stones
contraindicated in renal disease
Pirenzapine
M1 antagonist
blocks basal secretion from ECL cells ~as effective as low dose of histamine blocker
H. pylori treatment
acid neut., antibacterials, cytoprotection, (eg: Proton pump inhibitor, 2 antibiotics, bismuth)
Bethanechol
Prokinetic agent
activates M2 and M3 receptors
SDFX: bradycardia, flushing, diarreah, cramps, salivation, blurred vision
Neostigmine
Prokinetic agent
Acetylcholinesterase inhibitor
Used acutely to counter an ileus
Metoclopramide
Prokinetic agent
Dopamine receptor antagonist
increases lower esophageal tone and upper GI motility
laxative, used for nausea and vomiting in dysmotility syndromes, antiemetic
SDFX: dystonias, parkinsoniasm, tardice dyskinesia w/ chronic use
Tegaserod
Prokinetic agent
partial serotonin 5-HT4 agonist in gut
used for females with IBS, improves lower bowel motility
mildly effective, SDFX diarreah and headache
Cisapride
DON'T USE - NOW OFF MARKET
Prokinetic agent
50HT4 receptor and adenylate cyclase stimulant
used for GERB
SDFX: fatal arrhythmias, interactss with k+ channel
Erythromycin
Prokinetic agent
macrolide antibiotics are motilin agonists
macrolide antibiotics cause gastric dumping - can move bezoars and improve emptying with ilieus, scleroderma, and pseudo-obstructions
fast dumps painful - not chronic use
Magnesium citrate
Osmotic cathartic
cause water retention
Mg may stimulate CCK receptors and increase motility
cause bowel emptying with frequent watery stool
Magnesium hydroxide
Osmotic cathartic (milk of magnesia)
cause water retention
Mg may stimulate CCK receptors and increase motility
cause bowel emptying with frequent watery stool
Magnesium sulfate
Osmotic cathartic
cause water retention
Mg may stimulate CCK receptors and increase motility
cause bowel emptying with frequent watery stool
Polyethylene glycol
Osmotic cathartic
cause water retention
cause bowel emptying with frequent watery stool
Lactulose
Osmotic laxative
draw water into gut
used for constipation with opioid use and vincristine
lactulose uniquely drops luminal pH by bacterial fermentation and can trap NH4 from hepatic disease and detox colon
Mannitol
Osmotic laxative
draw water into gut
used for constipation with opioid use and vincristine
Sorbitol
Osmotic laxative
draw water into gut
used for constipation with opioid use and vincristine
Docusate
Stool wetting agent
surfactant that allows mixing of fatty substances and water
stool softer- does not increase frequency
Bisacodyl
Irritant laxative
oral or rectal
don't chew or mix with milk or antacids - ensure tablet reaches site of action in small intestine and avoid gastric irritation
od causes catharsis
Castor oil
Irritant laxative
used as cathartic, laxative, to induce labor
made from castor bean (also makes ricin)
speeds small bowel motility
4 ml laxative, 16 ml catharsis
Glycerin
Irritant laxative
suppository
hydroscopic agent and lubricant
methylcellulose
bulk-forming laxative
wall-paper paste, hydroxycut
fiber based
regular soft stools
may adsorb other drugs
may exacerbate intestinal obstructions
Psyllium
bulk-forming laxative
grass-seed husk
fiber based
regular soft stools
may adsorb other drugs
may exacerbate intestinal obstructions
Polycarbophil
bulk-forming laxative
fiber based
regular soft stools
may adsorb other drugs
may exacerbate intestinal obstructions
Diphenoxylate
Anti-diarrheal agent
opioid, piperidine derivitave
can have CNS effects, packed with atropine to discourage abuse
Loperamide
Anti-diarrheal agent
mu-opioid receptor agonist
stops bowel motility - 40-50x more potent than morphine
does not enter CNS
Octreotide
Anti-diarrheal agent
parenteral octopeptide to combat secratory diarrhea from hormone secreting tumors
used for post surgical gastric dumping & diarrhea assoc w/chemo
SDFX: nausea, bloat, inj site pain, long term use assoc w/gallstones
Bismuth Salicylate
Anti-diarrheal agent
clay and oil of wintergreen
salicylate released in stomach, absorbed systematically
ondansetron
anti-emetic
serotonin receptor agonist/ antagonist
serotonin promotes gut motility
acts centrally on CTZ and STN, peripherally in small intestine
excretion thru liver
3.9 hours
granisetran
anti-emetic
serotonin receptor antagonist
serotonin promotes gut motility
acts centrally on CTZ and STN, peripherally in small intestine
excretion thru liver
9-11.6 hrs
Dolasetron
anti-emetic
serotonin receptor antagonist
serotonin promotes gut motility
acts centrally on CTZ and STN, peripherally in small intestine
excretion thru liver
7-9 hrs
Palonosetron
anti-emetic
serotonin receptor antagonist - highest affinity
serotonin promotes gut motility
acts centrally on CTZ and STN, peripherally in small intestine
Parenteral only
excretion BY KIDNEY
40 hrs
Metoclopramide
Anti-emetic
dopamine receptor antagonist
strongly affect CTZ D2 receptors, inc forward motility
stops emesis, promotes defecation
preferred for chemo nausea
SDFX: dissociative dysphoria, parkinsonian effects
Promethazine
Anti-emetic
dopamine receptor antagonist
strongly affect CTZ D2 receptors, inc forward motility
stops emesis, promotes defecation
preferred for chemo nausea
SDFX: dissociative dysphoria, parkinsonian effects
Hydroxyzine
Anti-emetic
antihistamine, H1-receptor antagonist
motion sickness, post-op
act on brainstem and vestibular apparatus
Diphenhydramine
Anti-emetic
antihistamine, H1-receptor antagonist
motion sickness, post-op
act on brainstem and vestibular apparatus
Diphenhydrinate
Anti-emetic
antihistamine, H1-receptor antagonist
salt of diphenhydrinate
motion sickness, post-op
act on brainstem and vestibular apparatus
Apomorphine
emetic agent
acts locally and on CTZ
given sub-Q
largely superseded by activated charcoal
Mesalamine
Inflammatory bowel disease
5- aminoslaicylic acid
delayed release capsules to jejunum
inhibition of TNF-alpha, NF-kappa beta
UC- acute flare-ups, maintaining remission
Crohn's useful for flare-ups
headache, dyspepsia, skin rash, diarrhea
Ipecac
emetic agent
acts on CTZ
given orally shortly after ingestion of toxin
largely superseded by activated charcoal because of danger of choking
Sulfasalazine
Inflammatory bowel disease
cleaved by colonic bacterial enzymes to yield mesalamine (5-ASA)
inhibition of TNF-alpha, NF-kappa beta
UC- acute flare-ups, maintaining remission
Crohn's useful for flare-ups
most SDFX - sulfa group: headaches, nausea, fatigue, allergic
Olsalazine
Inflammatory bowel disease
cleaved by colonic bacterial enzymes to yield mesalamine (5-ASA)
inhibition of TNF-alpha, NF-kappa beta
UC- acute flare-ups, maintaining remission
Crohn's useful for flare-ups
headache, dyspepsia, skin rash, diarrhea
Prednisone
Inflammatory bowel disease
glucocorticoid
taget general immune response
acute exacerbation, severe disease
40% responsive, 40% dependent, 20% do not respond
SDFX: immunosupression, endocrine disruption
Budesonide
Inflammatory bowel disease
glucocorticoid
200x more potent than predisone, 1/10 as available, most removed by first pass - topical in bowel
taget general immune response
acute exacerbation, severe disease
40% responsive, 40% dependent, 20% do not respond
SDFX: immunosupression, endocrine disruption
6-mercaptopurine
Inflammatory bowel disease
inhibits DNA synthesis
maintain remission in UC and Crohns
SDFX: pancreatitis, rash, fever, arthralgias, bone marrow sup, nausea, vom
Azathioprine
Inflammatory bowel disease
converted to 6-mercaptopurine
inhibits DNA synthesis
maintain remission in UC and Crohns
SDFX: pancreatitis, rash, fever, arthralgias, bone marrow sup, nausea, vom
Alosetron
Irritable bowel syndrome
5-HT3 antagonist
used for diarrheal prominant IBS
Anticoagulants
heparin sulfate
-protamine sulfate (heparin antagonist)
warfarin
-menadione (vitamin K, warfarin antidote)
Low molecular weight heparins
Dalteparin
Enoxaparin
Fondaparinux
Direct thrombin inhibitors
Argatroban
Bivalirudin
Lepirudin
Thrombolytics
Tissue plasminogen activator
Streptokinase
Urokinase
Antiplatelet drugs
Abciximab
Aspirin
Clopidogrel
Ticlopidine
Tirofiban
Heparin
Anticoagulant
variable polysaccharide
IV(immediate)/subQ (30 min delay)
inhibits thrombin, Xa, IXa (not VIIa)
therapy monitored by PTT
toxicity: bleeding, clotting, thrombocytopenia (counterindication), hyperkalemia
Antagonists: stop infusion, protamine sulfate
Dalteparin
Anticoagulant
Low molecular weight heparin
uniform activity
Enoxaparin
Anticoagulant
Low molecular weight heparin
uniform activity
Fondaparinux
Anticoagulant
Low molecular weight heparin
uniform activity
smallest - won't bind platelets
Argatroban
Direct thrombin inhibitor
independant of ATII
short acting, hepatically cleared
use when heparin is needed, heparin induced thrombocytopenia
Lepirudin
Direct thrombin inhibitor
independent of ATII
recombinant hirudin, renally cleared
anticoagulation in heparin induced thrombocytopenia
Bivalirudin
Direct thrombin inhibitor
independent of ATII
synthetic analog of hirudin
anticoagulation in heparin induced thrombocytopenia
Warfarin
Anticoagulant
ant K dependent gamma-carboxylation of II, VII, IX, and the end. anticoags C and S
INR used to monitor
can be given orally
highly bound to albumin
inac. by liver and kidney - 40 hr t.5
reduce dose for liver failure
MANY drug interactions
vitamin K antagonizes
toxicities: bleeding (esp if NSAIDS), teratogen, skin necrosis
antidotes - fresh frozen plasma, K
Streptokinase
Thrombolytic
47 kDa, act after 1:1 complex with plasminogen - large dose needed to overcome neutr. antibodies
t.5 30 min
nonspecific- induce systemic fibrinolytic state, consume fibrinogen
adverse: excessive bleeding, anaphylaxis, fever, can only use for one period of time
Urokinase
Thrombolytic
54 kDa from human cells, no abs
rapidly met by liver, t.5 10-15 min
can be used multiple times, expensive
nonspecific- induce systemic fibrinolytic state, consume fibrinogen
adverse: excessive bleeding, no allergies
Tissue plasminogen activator
Thrombolytic
70 kDa, recombinant, no Abs
rapidly met in liver, t.5 3 min
continuous infusuin
most expensive
nonspecific- induce systemic fibrinolytic state, consume fibrinogen
adverse: excessive bleeding, no allergies
Aspirin
Antiplatelet drug
irreversibly inhibits cyclooxygenase
permanently inactivates platelets (lifespan ~10 days)
bleeding, gastritis
Clopidogrel
Antiplatelet drug
oral, long duration, long onset
prevent platelet aggregation
similar to clopidogrel with fewer toxicities
Ticlopidine
Antiplatelet drug
oral, long duration, long onset
prodrug, binds to platelet purinergic receptors that evoke aggregation
prevent thrombosis in cerebral vascular disease
toxicity: neutropenia in 1% patients
Abciximab
Antiplatelet drug
c7E3 antibody - chimeric human-mouse Ab binds to platelet glycoprotein IIb/IIIa receptors and inhibits fibrinogen binding to platelets and aggregation
Tirofiban
Antiplatelet drug
small molecule inhibitor of IIb/IIIa on platelets
given IV continuous infusion, very short duration of action
AT1 antagonists (ARBs)
candesartan
irbesartan
losartan
valsartan
ACE inhibitors
captopril
enalapril
lisinopril
Serotonin agonists
sumatriptan
zolmitriptan
Serotonin partial agonists
ergonovine
ergotamine
methysergide
Serotonin antagonists
cyproheptadine
ketanserin
Losartan
AT1 antagonists (ARBs)
competitive
potent nonpeptide AT1
lack some of the side effects of ACE inhibitors
don't affect kininase II
Valsartan
AT1 antagonists (ARBs)
competitive
potent nonpeptide AT1
lack some of the side effects of ACE inhibitors
don't affect kininase II
Irbesartan
AT1 antagonists (ARBs)
competitive
potent nonpeptide AT1
lack some of the side effects of ACE inhibitors
don't affect kininase II
Candesartan
AT1 antagonists (ARBs)
competitive
potent nonpeptide AT1
lack some of the side effects of ACE inhibitors
don't affect kininase II
Captopril
ACE inhibitor
antihypertensive, essential hypertensive
works in pts without elevated renin or AngII
MI, HF
SDFX: cough, hypotension, hyperkalemia, acute renal failure in pts with renal insufficiency
Enlapril
ACE inhibitor
antihypertensive, essential hypertensive
works in pts without elevated renin or AngII
MI, HF
SDFX: cough, hypotension, hyperkalemia, acute renal failure in pts with renal insufficiency
Lisinopril
ACE inhibitor
antihypertensive, essential hypertensive
works in pts without elevated renin or AngII
MI, HF
SDFX: cough, hypotension, hyperkalemia, acute renal failure in pts with renal insufficiency
Cyproheptadine
Serotonin receptor antagonist
nonselective 5HT1/2 antagonist
tx symptoms from carcinoid tumors
sd FX like H1 histamin r antagonists
Ketanserin
Serotonin receptor antagonist
5HT2 selective
lowers arterial pressure in htn
blocking 5HT2 on vasc sm muscle, and blocking alpha1 adrenergic r on vsm
Ergonovine
Serotonin receptor partial agonist
partial 5HT agonist, weak antagonist
diagnostic vasospastic angina
used to control postpartum bleeding
Ergotamine
Serotonin receptor partial agonist
partial 5HT2 agonist
VSM stimulant
Tx acute migraines, postpartum bleeding
Methysergide
Serotonin receptor partial agonist
5-T2/1 receptors
VSM stimulant
Tx symptoms of carcinoid tumors
Sumatriptan
Serotonin agonist
does not cross BBB
5HT1(b,d,f) agonist only
acute migraines, cluster headaches
inhibits release of inflammatory peptides, vasoconstriction
Zolmitriptan
Serotonin agonist
crosses BBB
5HT1(b,d,f) agonist only
acute migraines, cluster headaches
inhibits release of inflammatory peptides, vasoconstriction
ACE Inhibitors
captopril
enalapril
lisinopril
quinapril
AT1 antagonists (ARBs)
candesartan
losartan
valsartan
Diuretics
Butemanide
Furosemide
Metolazone
Thiazides
Torsemide
Beta receptor antagonists
Bisoprolol
Carvedilol
Metoprolol
Cardiac glycosides
Digoxin
Digitoxin
Aldosterone antagonists
Eplerenone
Spironolactone
Vasodilators
Hydralazine
Isosorbide
Nitroglycerin
Beta agonists
Dobutamine
Dopamine
PDE inhibitors
Inamrinone
Milrinone
Drugs that reduce mortality in HF
ACEI
ARB
beta-blockers
Captopril
ACE inhibitor
first line for heart failure - imp survival
suppress AngII/AngIII/aldosterone
reduce afterload; inc SV, CO; stop na/water retention; stop hypertrophy
contraind: renal failure, pregnancy, adv rxn
SDFX: hypotension, hyperkalemia, cough, renal failure
Enalapril
ACE inhibitor
first line for heart failure - imp survival
suppress AngII/AngIII/aldosterone
reduce afterload; inc SV, CO; stop na/water retention; stop hypertrophy
contraind: renal failure, pregnancy, adv rxn
SDFX: hypotension, hyperkalemia, cough, renal failure
Lisinopril
ACE inhibitor
first line for heart failure - imp survival
suppress AngII/AngIII/aldosterone
reduce afterload; inc SV, CO; stop na/water retention; stop hypertrophy
contraind: renal failure, pregnancy, adv rxn
SDFX: hypotension, hyperkalemia, cough, renal failure
Quinapril
ACE inhibitor
first line for heart failure - imp survival
suppress AngII/AngIII/aldosterone
reduce afterload; inc SV, CO; stop na/water retention; stop hypertrophy
contraind: renal failure, pregnancy, adv rxn
SDFX: hypotension, hyperkalemia, cough, renal failure
Candesartan
AT1 antagonists (ARBs)
suppresses effects of AngII/III, does not prevent bradykinin degradation (as ACEI do)
alternative to ACEI, same risks except no risk of cough and angioedema
comparable mortality benefit
Losartan
AT1 antagonists (ARBs)
suppresses effects of AngII/III, does not prevent bradykinin degradation (as ACEI do)
alternative to ACEI, same risks except no risk of cough and angioedema
comparable mortality benefit
Valsartan
AT1 antagonists (ARBs)
suppresses effects of AngII/III, does not prevent bradykinin degradation (as ACEI do)
alternative to ACEI, same risks except no risk of cough and angioedema
comparable mortality benefit
Bumetanide
Diuretic (loop diuretic)
preferred to manage congestive symptoms of HF, inh Na/Cl retention
reduce fluid volume and preload
adv effects: electrolyte and fluid depletion, hypotension, azotemia
Furosemide
Diuretic (loop diuretic)
preferred to manage congestive symptoms of HF, inh Na/Cl retention
reduce fluid volume and preload
adv effects: electrolyte and fluid depletion, hypotension, azotemia
Metolazone
Diuretic (act in distal tubules)
lesser effect in pts with renal failure
manage congestive symptoms of HF
inh Na/Cl retention
reduce fluid volume and preload
adv effects: electrolyte and fluid depletion, hypotension, azotemia
Thiazides
Diuretic (act in distal tubules)
lesser effect in pts with renal failure
manage congestive symptoms of HF
inh Na/Cl retention
reduce fluid volume and preload
adv effects: electrolyte and fluid depletion, hypotension, azotemia
Torsemide
Diuretic (loop diuretic)
preferred to manage congestive symptoms of HF, inh Na/Cl retention
reduce fluid volume and preload
adv effects: electrolyte and fluid depletion, hypotension, azotemia
Bisoprolol
beta receptor antagonist (beta1)
mortality benefit in HF
prevent remodeling of heart, anti-arrhythmic benefit, imp Ca handling
SDFX: fluid ret, fatigue, bradycardia, hypotension
Carvedilol
beta receptor antagonist (alpha1, beta 1 and 2)
mortality benefit in HF
prevent remodeling of heart, anti-arrhythmic benefit, imp Ca handling
SDFX: fluid ret, fatigue, bradycardia, hypotension
Metoprolol
beta receptor antagonist (beta1)
mortality benefit in HF
prevent remodeling of heart, anti-arrhythmic benefit, imp Ca handling
SDFX: fluid ret, fatigue, bradycardia, hypotension
Digoxin
Cardiac glycoside
naturally occuring steroid
no longer first line
increase force of cardiac contraction by inc Ca, inc CO inhibition of Na/KATPase
sensitizes cardiac baroreceptors
Reduces renal Na reabsorption - reduces renin release
Risks: arrhythmias, GI, CNS, muscle
Digitoxin
Cardiac glycoside
naturally occuring steroid similar to digoxin, rarely used
no longer first line
increase force of cardiac contraction by inc Ca, inc CO inhibition of Na/KATPase
sensitizes cardiac baroreceptors
Reduces renal Na reabsorption - reduces renin release
Risks: arrhythmias, GI, CNS, muscle
Eplerenone
Aldosterone antagonist
reduce mortality in class III/IV HF
Risk: life threatening hyperkalemia
Spironolactone
Aldosterone antagonist
reduce mortality in class III/IV HF
Risk: life threatening hyperkalemia
Hydralazine
Vasodilator
arterial vasodilator
reduce renal vascular resistance
hemodynamic improvement
with isosorbide - BIDL - increase survival but not as well as ACEI
SDFX: headache, GI
Isosorbide
Vasodilator
short acting (dinitrate) or long acting (mononitrate
venodilation by supplying NO
reduce preload, less effective arteriodilator
used with hydralazine
nitrate tolerance
risks: headache, hypotension
Nitroglycerin
Vasodilator
quick acting vasoactive NO source
IV in acute MI
nitrate tolerance
Dopamine
Beta agonist
intermediate rate: b receptors, increase contractility
high infusion: a receptors, stim art & venous constriction
tachycardia may provoke ischemia in pts w/CAD
Dobutamine
Beta agonist
choice for pts w/systolic dysfunction
does not activate dopamine receptors
stim b1 (inotropic) and b2 (vasodilation) receptors
tolerance after several days
Inamrinone
PDE inhibitor
short term support if circulation in advanced heart failure
stim contraction and accelerate myocardial relaxation by inc cAMP
Milrinone
PDE inhibitor
short term support if circulation in advanced heart failure
stim contraction and accelerate myocardial relaxation by inc cAMP
fewer side effects, more PDE3 selective
Bile acid sequestrants
cholestyramine
colestipol
HMG CoA reductase inhibitors
atorvastatin
fluvastatin
lovastatin
simvastatin
pravastatin
Fibric acids
clofibrate
gemfibrozil
Miscellaneous atherosclerosis agents
ezetimibe
nicotinic acid
probucol
Cholestyramine
Bile acid sequestrant
safe and effective - large catioinic insoluble resins
bind bile acids and prevent reabsorption
increase LDL reuptake, increase hepatic VLDL production, inc triglycerides
SDFX: dyspesia, const, decreased absorption of drugs
Colestipol
Bile acid sequestrant
safe and effective - large catioinic insoluble resins
bind bile acids and prevent reabsorption
increase LDL reuptake, increase hepatic VLDL production, inc triglycerides
SDFX: dyspesia, const, decreased absorption of drugs
Nicotinic acid
Niacin
water soluble vitamin (part of NAD)
inhibits VLDL secretion, ultimitly decreases LDL production
decreases triglycerides more than cholesterol
no effect on bile
SDFX: glucose intolerance, hyperuricemia, ulcer, SRelease & hepatic dysfunction
Lovastatin
HMG CoA reductase inhibitor
competetively inhibit
decrease cholesterol synthesis, upregulate LDL r, decrease LDL
first pass metabolism, mild hepatotoxicity, rhabdomyolysis
Simvastatin
HMG CoA reductase inhibitor
competetively inhibit
decrease cholesterol synthesis, upregulate LDL r, decrease LDL
first pass metabolism, mild hepatotoxicity, rhabdomyolysis
Pravastatin
HMG CoA reductase inhibitor
competetively inhibit
decrease cholesterol synthesis, upregulate LDL r, decrease LDL
first pass metabolism, mild hepatotoxicity, rhabdomyolysis
Fluvastatin
HMG CoA reductase inhibitor
competetively inhibit
decrease cholesterol synthesis, upregulate LDL r, decrease LDL
first pass metabolism, mild hepatotoxicity, rhabdomyolysis
Atorvastatin
HMG CoA reductase inhibitor
competetively inhibit
decrease cholesterol synthesis, upregulate LDL r, decrease LDL
first pass metabolism, mild hepatotoxicity, rhabdomyolysis
Gemfibrozil
Fibric acid
increase activity of lipoprotein lipase
clears chylomycrons and VLDL quickly
lowers triglycerides (VLDL) and raises HDL cholesterol
SDFX: GI, hepatic, myositis
Clofibrate
Fibric acid
increase activity of lipoprotein lipase
clears chylomycrons and VLDL quickly
lowers triglycerides (VLDL) and raises HDL cholesterol
SDFX: GI, hepatic, myositis
Probucol
cholesterol reduction
increases LDL catabolism, binds to LDL, blocks LDL oxidation
SDFX: prolongs QT interval (ventricular arrythmias), lower HDL
Ezetimibe
cholesterol reduction
absorbed and glucuronidated
excreted into bile & feces
impairs intestinal absorption of cholesterol
High LDL drug therapy
1. Bile acid sequestrants
2. Nicotinic acid or HMG CoA reductase inhibitor
3. Combo of 1 & 2
High LDL and triglycerides drug therapy
1. Weight loss, alcohol restriction
2. Nicotinic acid or gemfibrozil
3. Bile acid sequestration or HMG CoA reductase inhibitors in combo with 2
4. Combo of any two: nicotinic acid, gemfibrozil, or HMG CoA reductase, increased risk of toxicity
High triglyceride (nl LDL) drug therapy
1. Weight loss, alcohol restriction
2. Gemfibrozil or nicotinic acid
Low HDL drug therapy
1. Diet, excercise, stop smoking
2. Nicotinic acid or gemfibrozil (no studies for benefit)
Na+ channel blockers
Disopyramide
Procainamide
Quinidine
Lidocaine
Flecainide
Propafenone
K+ channel blockers
Amiodarone
Dofetilide
Sotalol
Ca2+ channel blockers
Diltiazem
Verapamil
Beta blockers
Esmolol
Propanolol
Cardiac glycosides
Digitalis
Digoxin
Miscellaneous arrhythmia drugs
Adenosine
Procainamide
Na channel blockers
Most atrial and ventricular arrhythmias
slows upstroke and duration of cardiac APs. depress SA &AV, prolongs refractory period (QRS)
preferentiall binds open and inactive NA channels
avoid long term therapy - lupus-related effects, accumulation of NAPA metabolite in renal failure
Lidocaine
Na channel blocker
IV only, DOC for ventricular tachycardia, prevention of v. fib in MI
not for atrial/AV
shortens phase 3 repol, decreases duration of APs, shortens QRS, greater effects on purkinje and ventricular fibers
associates w/open and inactive channels, dissoc. from resting, raises excitability threshold
renal disease no effect (liver metab)
Toxicity: least cardiotoxic, CNS, well tolerated generally
Flecainide
Na channel blocker
used for supraventricular arrhythmias, suppresses premature ventricular contractions, not for pts w/ vent. tachyarrhythmias from MI
open and inactive Na channels, slow dissoc., decrease in conductance, inc AP threshold
Prolongs phase 0 depol w/ou affecting duration, no effect on QT/refract period
toxicity: narrow index, CHF, CNS, arrhythmias
Amiodarone
K channel blocker
3-10 day t.5, hepatic act/excr, 35-65% nonavailability
low dose- use to maintain nl rhythm in atrial fib
prevention of vent. tachycardia
pediatric arrhythmias
oral/iv
slow down phase 3 repol, increase duration of AP, prolong QT/refractory period
toxicity: "last resort drugs" accumulation in tissues, thyroid, liver, photodermatitis
Dofetilide
K channel blocker
low dose- use to maintain nl rhythm in atrial fib
prevention of vent. tachycardia
pediatric arrhythmias
oral/iv
slow down phase 3 repol, increase duration of AP, prolong QT/refractory period
toxicity: "last resort drugs" accumulation in tissues, thyroid, liver, photodermatitis
Sotalol
K channel blocker
12 hr t.5, 100% bioavail, renal excr
low dose- use to maintain nl rhythm in atrial fib
prevention of vent. tachycardia
pediatric arrhythmias
oral/iv
slow down phase 3 repol, increase duration of AP, prolong QT/refractory period
toxicity: "last resort drugs" accumulation in tissues, thyroid, liver, photodermatitis
Verapamil
Ca channel blocker
oral/iv 7 hr t.5, liver met.
supraventricular tachyarrhythmias, antianginal, reduce ventricular rate in atrial fib
slows down phase 4 depol, increase SA and AV APs
blocks open and inac. L-type C channels
prolongs PR int/refractory period
toxicity: constipation, edema, nervousness
Diltiazem
Ca channel blocker
oral/iv 7 hr t.5, liver met.
supraventricular tachyarrhythmias, antianginal, reduce ventricular rate in atrial fib
slows down phase 4 depol, increase SA and AV APs
blocks open and inac. L-type C channels
prolongs PR int/refractory period
toxicity: constipation, edema, nervousness
Propranolol
Beta-adrenergic blocker
supraventricular tachycardias, prevention of recurrent MI
prolongs AV node conductance by inhibition of PKA-dependant facilitation of L-type Ca channels
Esmolol
Beta-adrenergic blocker
supraventricular tachycardias, prevention of recurrent MI
prolongs AV node conductance by inhibition of PKA-dependant facilitation of L-type Ca channels
Adenosine
Antiarrhythmic
used for acute supraventricular tachycardia
rapid IV bolus - elim w/in seconds
prolongs AV node conductance by act. of K/Ach currents and inhibition of L-type Ca channels
Digoxin
Cardiac glycoside
inhibits Na/K/ATPase - inotropic effect
used for supraventricular tachycardias, esp in HF patients
prolongs refractory period, sensitizes baororeceptors (vagal tone), reduces AV node conduction
Digitalis
Cardiac glycoside
inhibits Na/K/ATPase - inotropic effect
used for supraventricular tachycardias, esp in HF patients
prolongs refractory period, sensitizes baororeceptors (vagal tone), reduces AV node conduction
Selective beta antagonists
acebutolol
atenolol
esmolol
metoprolol
Non-selective beta antagonists
Naldolol
Pindolol
Propanolol
Timolol
PDE5 inhibitors
Tadalafil
Sildenafil
Vardenafil
Ca channel blockers
Verapamil
Diltiazem
Dihydropyridines
Ca channel blockers
Amlodipine
Felodipine
Nicardipine
Nifedipine
Nimodipine
Nitrovasodilators
Isosorbide dinitrate
Nitroglycerin
Nitroprusside sodium
Miscellaneous Antianginals
Aspirin
Clopidogrel
Ranolazine
Nitroglycerin
Nitrovasodilator
first pass hepatic metabolism
dilate arteries, venodilator, decrease platelet activation
Nitrate tolerance - cease 8-12 hours
SDFX: headache, hypotension, reflex tachycardia, GI/oral irritant, no PPD5 inhibitors
Isosorbide dinitrate
Nitrovasodilator
3-5 hrs, admin 3-4x daily
dilate arteries, venodilator, decrease platelet activation
SDFX: headache, hypotension, reflex tachycardia, GI/oral irritant, no PPD5 inhibitors
Nitroprusside sodium
Nitrovasodilator
dilate arteries, venodilator, decrease platelet activation
SDFX: headache, hypotension, reflex tachycardia, GI/oral irritant, no PPD5 inhibitors
Nitrate-PDE5 interaction
excess NO, excess cGMP,VSM relaxation, enhanced fall in blood pressure
contraindication
Acebutolol
Cardioselective (b1) beta-antagonist
DOC for angina, in combination with nitrates
b1 receptors- sinus node decrease HR & contractility & renin release
Adverse effects: bronchospasm, hyperglycemia, hyperlipidemia, impotence
containdications: asthma, bradycardia, AV block, insulin dept diabetes
Atenolol
Cardioselective (b1) beta-antagonist
DOC for angina, in combination with nitrates
b1 receptors- sinus node decrease HR & contractility & renin release
Adverse effects: bronchospasm, hyperglycemia, hyperlipidemia, impotence
containdications: asthma, bradycardia, AV block, insulin dept diabetes
Esmolol
Cardioselective (b1) beta-antagonist
DOC for angina, in combination with nitrates
b1 receptors- sinus node decrease HR & contractility & renin release
Adverse effects: bronchospasm, hyperglycemia, hyperlipidemia, impotence
containdications: asthma, bradycardia, AV block, insulin dept diabetes
Metoprolol
Cardioselective (b1) beta-antagonist
DOC for angina, in combination with nitrates
b1 receptors- sinus node decrease HR & contractility & renin release
Adverse effects: bronchospasm, hyperglycemia, hyperlipidemia, impotence
containdications: asthma, bradycardia, AV block, insulin dept diabetes
nadolol
Non-selective (b1 &b2) beta-antagonist
b1 receptors block- sinus node decrease HR & contractility & renin release
b2 receptor block- vasoconstriction, bronchoconstriction, impaired glycogenolysis
Adverse effects: bronchospasm, hyperglycemia, hyperlipidemia, impotence
containdications: asthma, bradycardia, AV block, insulin dept diabetes
pindolol
Non-selective (b1 &b2) beta-antagonist
b1 receptors block- sinus node decrease HR & contractility & renin release
b2 receptor block- vasoconstriction, bronchoconstriction, impaired glycogenolysis
Adverse effects: bronchospasm, hyperglycemia, hyperlipidemia, impotence
containdications: asthma, bradycardia, AV block, insulin dept diabetes
propanolol
Non-selective (b1 &b2) beta-antagonist
b1 receptors block- sinus node decrease HR & contractility & renin release
b2 receptor block- vasoconstriction, bronchoconstriction, impaired glycogenolysis
Adverse effects: bronchospasm, hyperglycemia, hyperlipidemia, impotence
containdications: asthma, bradycardia, AV block, insulin dept diabetes
timolol
Non-selective (b1 &b2) beta-antagonist
b1 receptors block- sinus node decrease HR & contractility & renin release
b2 receptor block- vasoconstriction, bronchoconstriction, impaired glycogenolysis
Adverse effects: bronchospasm, hyperglycemia, hyperlipidemia, impotence
containdications: asthma, bradycardia, AV block, insulin dept diabetes
Diltiazem
Ca channel blocker
angina, Htn, supraventricular arrhythmias
avoid in HF
decrease contractility of cardiac myocytes - block L-type Ca channels
reduce O2 demand, increase O2 supply (dilate arteries)
SDFX: hypotension, dizziness, gingival inf, HF, bradycardia, arrhythmias
Verapamil
Ca channel blocker
angina, Htn, supraventricular arrhythmias
ESPECIALLY avoid in HF
decrease contractility of cardiac myocytes - block L-type Ca channels
reduce O2 demand, increase O2 supply (dilate arteries)
SDFX: hypotension, dizziness, gingival inf, HF, bradycardia, arrhythmias
Amlodipine
Ca channel blocker- dyhydropyridine
angina,htn
relax arteries, minimal effect on veins
less negative inotropic effect
SDFX: dizziness, hypotension, peripheral edema, gingival inflammation
Felodipine
Ca channel blocker- dyhydropyridine
angina,htn
relax arteries, minimal effect on veins
less negative inotropic effect
SDFX: dizziness, hypotension, peripheral edema, gingival inflammation
Nicardipine
Ca channel blocker- dyhydropyridine
angina,htn
relax arteries, minimal effect on veins
SDFX: dizziness, hypotension, peripheral edema, gingival inflammation
Nifedipine
Ca channel blocker- dyhydropyridine
relax arteries, minimal effect on veins
can worsen outcome in acute MI and should not be used
Nimodipine
Ca channel blocker- dyhydropyridine
relax arteries, minimal effect on veins
ONLY used in subarachnoid hemorrhage to prevent post repair vasospasm
Ranolazine
new antianginal
used for chronic refractory angina
partial fatty acid oxidation inhibitor
inhibits late sodium current - reduces Na and Ca overload in ischemic myocytes
improves exercise tolerance
no negative chronotropic, inotropic effects minimal HR/BP effects
can add to nitroglycerin and beta blockers
Stable angina drug therapy
acute: sublingual nitroglycerin
Chronic: beta-blockers, aspirin, statins
ca channel blockers if not beta blockers
Unstable angina drug therapy
Nitrates, beta blockers, statins, aspirin, heparin
Clopidogrel
Antiplatelet
irreversible ADP antagonist at P2 receptors - prevents platelet aggregation
use in combo with aspirin in acute coronary syndrome, MI, stroke
SDFX: neutropenia