Cardiology Clues Pharm Flashcards
What are theh Renin-angio system effectors?
ACE inhibitors and ARBs
What are the ACE inhibitors?
Captopril, Enalapril, Fosinopril, Lisinopril
What is the MOA of ACE inhibitors?
Inhibits conversion of Ang I to Ang II, decreases Ang II
What are the Indications for ACE inhibitors?
HTN, CHF, post MI and vasodilation
What are the adverse effects of ACE inhibitors?
Hyperkalemia, cough, angioedema contraindicated in pregnancy (fetal renal malformations)
What is the MOA of ARBS?
Ang II blockers:
prevents alpha 1 vasoconstriction from Ang II
prevents aldosterone secretion stimulated by Ang II
What are the indications for Losartan?
HTN
What are the adverse effects of Losartan?
Fetal renal toxicity Hyperkalemia
What are the sympathoplegics?
Metoprolol, Atenolol, Acebutolol, Esmolol, Propranolol, Timolol, Carvedilol, Prazosin, Clonidine, Methyldopa, Hexamethonium, Reserpine, Guanethidine
What is the MOA of Metoprolol, Atenolol, Acebutolol, Esmolol?
Selective B1-Blockers
What is the MOA of Propranolol, Timolol?
B1 and B2 Blockers
What is the MOA of Carvedilol?
Alpha and B-Blocker
What are the indications for B-blockers
HTN, Angina, MI, Antiarrhythmic
What are the adverse effects of B-blockers?
Impotence, asthma, bradycardia, AV block, heart failure, sedation, sleep alterations
What is the MOA of Prazosin?
Alpha 1-Blocker, vasodilation, decreases TPR
What are the indications for Prazosin?
Pheochromocytoma, HTN
What are the adverse effects of Prazosin?
Orthostatic Hypotension
What is the MOA of Clonidine?
Alpha 2 agonist = decreases peripheral resistance
What are the indications for Clonidine?
HTN Smoking Cocaine Heroin withdraw
What are the adverse effects of Clonidine?
Drowsiness, dry mouth, and rebound HTN after abrupt withdraw
What is the MOA of Methyldopa?
Alpha 2 agonist = decreases peripheral resistance
What are the indications for Methyldopa?
HTN
What are the adverse of Methyldopa?
Sedation and Hemolytic Anemia (+) Coombs test
What is the MOA of Hexamethonium?
Nicotinic Ganglionic blocker
What are the adverse effects of Hexamethonium?
Severe orthostatic hypotension, blurred vision, constipation, sexual dysfunction
What is the MOA of Reserpine?
Prevents the storage of monoamines in synaptic vesicle
What are the indications for Reserpine?
HTN
What are the adverse effects of Reserpine?
Mental depression
What is the MOA of Guanethidine?
Interferes with norepinephrine release
Whata re the indications for Guanethidine?
Severe HTN
What are the adverse effects of Guanethidine?
Contraindicated in patients taking TCA’s
What are the Vasodilators?
Hydralazine, Minoxidil, Nifedipine, Verapamil, Nitroprusside, Diazoxide
What is the MOA of Hydralazine?
increases cGMP, smooth muscle relaxation, vasodilates arterioles, afterload reduction
What are the indications for Hydralazine?
Severe HTN, 1st line treatment for HTN in pregnancy
What are the adverse effects of Hydralazine?
Compensatory tachycardia, fluid retention, Lupus like syndrome, contraindicated in Angina/CAD because of compensatory tachy
What is the MOA of Minoxidil?
K+ channel opener, hyperpolarizes and relaxes smooth muscle
What are the adverse effects of Minoxidil?
Hypertrichosis and Pericardial Effusion
What is the MOA of Nifedipine and verapamil?
Ca+ channel antagonists
What are the indications for Nifedipine and verapamil?
HTN, angina, arrhythmia (not Nifedipine) Prinzmetal Angina, Raynaud’s