Cardiovascular Agents Flashcards

1
Q

Norvasc

A

Generic Name: amlodipine

Class: calcium channel blocker

Uses: hypertension, chronic stable angina, vasospastic angina

MOA: long-acting dihydropyridine calcium-channel-blocking drug with potent arterial and coronary vasodilating properties

Normal Daily Dose: 5-10 mg po daily

Metabolism: hepatic, 90%; major substrate of CYP3A4/5

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2
Q

Tenormin

A

Generic Name: atenolol

Class: Beta-Adrenergic Blocker, Cardioselective

Uses: angina pectoris; hypertension; acute myocardial infarction

MOA: decreases AV nodal conduction in supraventricular tachycardias and blockade of catecholamine-induced dysrhythmias

Normal Daily Dose: 25-50 mg po daily

Metabolism: limited hepatic

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3
Q

Lipitor

A

Generic Name: atorvastatin

Class: HMG-CoA Reductase Inhibitor

Uses: primary and secondary prevention of atherosclerotic cardiovascular disease; secondary prevention of cardiovascular events in patients with or at high risk of CAD; familial hypercholesterolemia

MOA: inhibits conversion of HMG-CoA to mevalonate, and early rate-limiting step in cholesterol synthesis

Normal Daily Dose: 1-80 mg po daily

Metabolism: extensive hepatic; major substrate of CYP3A4/5 and P-glycoprotein; inhibits P-glycoprotein

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4
Q

Lotensin

A

Generic Name: benazepril

Class: ACE-inhibitor; Antihypertensive

Uses: hypertension

MOA: competitive ACE-I: it reduces serum aldosterone, leading to decreased sodium retention, potentiates the vasodilator kallikrein-kinin system, and can alter proteinoid metabolism, inhibits the sympathetic nervous system, and inhibits the tissue renin-angiotensin system

Normal Daily Dose: 10 mg po daily; may titrate to 20-40 mg po daily (max 80mg/d)

Metabolism: extensive hepatic metabolism to 1 active metabolite (benazeprilat)

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5
Q

Zebeta

A

Generic Name: bisoprolol

Class: Cardio selective Beta-Adrenergic Blocker

Uses: hypertension

MOA: decreases AV nodal conduction in supraventricular tachycardia and blockade of catecholamine-induced dysrhythmias

Normal Daily Dose: 2.5-5 mg po daily, may titrate to max of 20 mg po daily

Metabolism: Extensive hepatic; major substrate of CYP3A4/5

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6
Q

Atacand

A

Generic Name: candesartan

Class: angiotensin II receptor antagonist

Uses: heart failure; hypertension

MOA: a selective, reversible, competitive antagonist of the angiotensin II receptor type I

Normal Daily Dose:
HTN adults: 16 mg po daily
Heart failure: 4 mg po daily, may titrate to 32 mg po daily

Metabolism: parent compound bioactivated during absorption via ester hydrolysis within intestinal wall to candesartan

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7
Q

Coreg

A

Generic Name: carvedilol

Class: alpha/beta-adrenergic blocker

Uses: heart failure; hypotension

MOA: a selective alpha1 and nonselective beta-adrenergic blocker that decreases AV nodal conduction in supraventricular tachycardias and blockade of catecholamine-induced dysrhythmia

Normal Daily Dose:
heart failure: 3.125 mg po bid, may titrate to 25 mg po bid for patient weighing <85 kg, 50 mg po bid for patients weighing >85 kg

hypertension: 6.25 mg po bid; max 25 mg po bid

Metabolism: Hepatic 98%; major substrate of CYP2D6, P-glycoprotein

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8
Q

Hygroton, Thalitone

A

Generic Name: chlorthalidone

Class: thiazide diuretic

Uses: hypertension; edema

MOA: increases sodium and chloride excretion by interfering with their reabsorption in the cortical-diluting segment of the nephron

Normal Daily Dose:
HTN: 25 mg po daily, may titrate to max of 100 mg po daily
Edema: 50 mg po daily, may titrate to max of 200 mg po daily

Metabolism: Hepatic

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9
Q

Catapres, Kapvay

A

Generic Name: clonidine

Class: alpha2-adrenergic agonist

Uses: ADHD; hypertension

MOA: stimulates presynaptic alpha2-adrenergic receptors and blocks postsynaptic alpha2-adrenergic receptors in the CNS by activating inhibitory neurons to decrease sympathetic outflow

Normal Daily Dose:
ADHD children: ?6 y of age, 0,1 mg ER po qhs, may titrate in increments of 0.1mg/d at weekly- max dose of 0.4 mg/d
HTN: 0.1 mg po bid, titrate by 0.1 mg/d at weekly intervals to 0.2-0.6 mg in 2 divided doses, max 2.4mg/d

Metabolism: extensive hepatic metabolism, unknown pathway

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10
Q

Plavix

A

Generic Name: clopidogrel

Class: platelet aggregation inhibitor

Uses: acute ST segment elevation MI managed/non-managed; Thrombosis prevention in arteriosclerotic vascular disease

MOA: antiplatelet agent that prevents platelet aggregation by direct inhibition of ADP binding to receptor sites, inhibiting subsequent activation of the glycoprotein IIb/IIIa complex

Normal Daily Dose:
acute ST segment elevation MI: 300-600 mg po loading dose, followed by 75 mg po daily
Thrombosis prevention: 75 mg po daily

Metabolism: Prodrug, requires activation by CYP2C19; substrate of CYP2C19, inhibitor of CYP2B6, 2C8

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11
Q

Welchol

A

Generic Name: colesevelam

Class: hypolipidemic, bile acid sequestrant

Uses: primary and familial hyperlipidemia, diabetes mellitus type 2

MOA: non absorbed, polymeric, lipid-lowering agent that binds intestinal bile acid resulting in the increased clearance of LDL-cholesterol and a reduction in total cholesterol

Normal Daily Dose: 1.875 g po bid or 3.75 g po daily

Metabolism: not absorbed

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12
Q

Pradaxa

A

Generic Name: dabigatran

Class: direct oral anticoagulant (DOAC)

Uses: treatment and prevention of initial or recurrent DVT and PE; prevention of stroke and systemic embolism in patient with nonvalvular atrial fibrillation; prevention of deep venous thromboembolism and PE after hip/knee replacement

MOA: a competitive, reversible, direct thrombin inhibitor

Normal Daily Dose: 150 mg po bid

Metabolism: extensive hepatic metabolism but not by CYP; substrate of P-glycoprotein

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13
Q

Digitek, Digox, Lanoxin

A

Generic Name: Digoxin

Class: Digitalis Glycoside

Uses: Atrial fibrillation; heart failure; supraventricular tachyarrhythmia

MOA: exert positive inotropic effects through improved availability of calcium to myocardial contractile elements, thereby increasing cardiac output in heart failure

Normal Daily Dose: loading dose of 0.25 mg po q2h to a total dose of 1.5 mg, then 0.125-0.375 mg po daily

Metabolism: Hepatic; substrate of P-glycoprotein

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14
Q

Cardizem, Cartia XT, Dilacor XR, Dilt-XR, Taztia XT, Tiazac

A

Generic Name: Diltiazem

Class: calcium channel blocker

Uses: hypertension, stable, chronic angina, atrial arrhythmia and paroxysmal supraventricular tachycardia

MOA: CCB drug that decreases HR, prolongs AV nodal conduction, and decreases arteriolar and coronary vascular tone

Normal Daily Dose: 180-360 mg po daily

Metabolism: extensive hepatic; substrate of CYP3A4/5, P-glycoprotein; moderate inhibitor of CYP3A4/5

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15
Q

Aggrenox, Persantine

A

Generic Name: Dipyridamole

Class: platelet aggregation inhibitor

Uses: thromboprophylaxis after heart valve replacement

MOA: inhibits the uptake of adenosine into platelets, endothelial cells, and erythrocytes resulting in a increase in local concentrations of adenosine, which is a coronary vasodilator and a platelet aggregation inhibitor

Normal Daily Dose: 75-100 mg po qid as an adjunct to warfarin therapy

Metabolism: extensive metabolized but not by CYP; inhibits P-glycoprotein

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16
Q

Cardura

A

Generic Name: Doxazosin

Class: alpha 1-adrenergic blocker

Uses: benign prostatic hyperplasia, hypertension

MOA: selectively blocks postsynaptic alpha 1-adrenergic receptors, reducing peripheral resistance through arterial and venous dilations

Normal Daily Dose: 1 mg po daily, may titrate to 1-8 mg po daily

Metabolism: extensive hepatic; substrate of CYP3A4/5

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17
Q

Vasotec

A

Generic Name: enalapril

Class: ACE inhibitor, antihypertensive

Uses: heart failure; hypertension; kidney disease, nondiabetic

MOA: a prodrug that is rapidly converted to its active metabolite, enalaprilat, a competitive ACE inhibitor. It reduces serum aldosterone, leading to decreased sodium retention, potentiates the vasodilator kallikrein

Normal Daily Dose: 2.5-5 mg po daily

Metabolism: extensive hepatic to 1 active metabolite

18
Q

Lovenox

A

Generic Name: enoxaparin

Class: anticoagulant, low-molecular-weight heparin

Uses: DVT prophylaxis, acute ST-segment elevation AMI, unstable angina

MOA: a low-molecular-weight heparin which has anti-factor Xa and IIa properties

Normal Daily Dose: 40 mg SUBQ

Metabolism: Hepatic

19
Q

Zetia

A

Generic Name: ezetimibe

Class: antihyperlipidemic, cholesterol absorption inhibitor

Uses: familial, mixed, primary hypercholesterolemia

MOA: localizes at the brush border of the small intestine and inhibits the absorption of cholesterol, leading to a decrease in the delivery of intestinal cholesterol to the liver

Normal Daily Dose: 10 mg po daily

Metabolism: In intestine and liver, not via CYP450

20
Q

Plendil

A

Generic Name: Felodipine

Class: calcium channel blocker, dihydropyridine

Uses: hypertension

MOA: CCB drug with potent arterial and coronary vasodilating properties

Normal Daily Dose: 2.5-5 mg po once daily

Metabolism: extensive hepatic metabolism, CYP3A4/5 substrate; moderate CYP2C8 inhibitor

21
Q

Antara, Fenoglide, Lipofen, Lofibra, Trillpix

A

Generic Name: Fenofibrate

Class: antihyperlipidemic

Uses: hypertriglyceridemia

MOA: fibric acid derivatives activate peroxisome proliferator-activated receptor a (PPARa), which increases lipolysis and elimination of triglyceride-rich particles from plasma by activating lipoprotein lipase and reducing production of apoprotein C-11

Normal Daily Dose: 54-160mg po daily

Metabolism: prodrug that undergoes rapid hydrolysis at the ester bond to Feno fibric acid; fenofibric acid is glucuronidated in the liver

22
Q

Monopril

A

Generic Name: fosinopril

Class: ACE inhibitor, Antihypertensive

Uses: Heart failure, hypertension

MOA: competitive ACE Inhibitor, it reduces serum aldosterone, leading to decreased sodium retention, potentiates the vasodilator kallikrein-kinin system

Normal Daily Dose:
heart failure: 5-10 mg po daily, may titrate to 40 mg po daily
HTN: 10 mg po daily, may titrate to 80 mg po daily

Metabolism: metabolized in liver to active metabolite (fosinoprilat) not via CYP450

23
Q

Lasix

A

Generic Name: furosemide

Class: loop diuretic

Uses: edema of volume overload related to heart failure, renal failure

MOA: a loop diuretic that is actively secreted via the nonspecific organic acid transport system into the lumen of the thick ascending limb of Henle’s loop, where it decreases sodium reabsorption by competing for the chloride site on the NA+ -K -2Cl- cotransporter

Normal Daily Dose: initial 20-80 mg po daily, may titrate to maintenance dose (max 600 mg/d)

Metabolism:

24
Q

Lopid

A

Generic Name: gemfibrozil

Class: antihyperlipidemic, fibric acid

Uses: coronary arteriosclerosis; prophylaxis-familial combined hyperlipidemia; familial type V hyperlipoproteinemia

MOA: fibric acid derivatives activate PPAR-alpha, which increases lipolysis and elimination of triglyceride-rich particles from plasma by activating lipoprotein lipase and reducing production of apoprotein C-III

Normal Daily Dose: 600 mg po bid

Metabolism: <20% hepatic, CYP3A4/5 substrate. Inhibitor of CYP1A2 (moderate), CYP2C19 (strong), CYP2C8 (strong), CYP2C9 (strong)