Table 2 - Antihypertensives Flashcards
Renin-angiotensin inhibitors: ACEI
Captopril, Lisinopril, Fosinopril
NaCl symporter inhibition in the DCT increasing Na and Cl excretion max 5% of filtered NaCl
HCTZ, Chlorthalidone
Alpha-1 Blockers
Prazosin
Vasodilators: Direct acting
Hydralazine
Diuretics: “Thiazide-Like”
Chlorthalidone
Direct acting arteriolar vasodilator
Hydralazine
Angiotensin Receptor blockers: ARBs
Losartan
Direct renin inhibitor
Aliskirin
B1, B2, A1 blockers
Carvedilol
Vasodilators: DHP CCB
Amlodipine, Nifedipine
Direct adjunct: K+ Sparing
Triamterine
Loop diuretic
Furosemide, Turosemide, Edecrin
Adrenergic B1 and B2 receptor inhibitor, reduction in myocardial oxygen demand
Propranolol (NON SELECTIVE B-BLOCKER)
Vasodilators: NDHP CCB
Cardizem, Verapamil
Selective B1 adrenergic receptor inhibitor
Metoprolol tartrate/succinate, Atenolol
Selective alpha-1 blocker which relaxes smooth muscle in arteries, veins, and the prostate
Prazosin
Centrally acting A2 adrenergic agonist
Clonidine, Methyldopa
Mixed alpha and beta receptor inhibition
Carvedilol
SURPRISE Which beta blocker can be used in heart failure?
Carvedilol
Direct inhibitor of Na+ influx in DCT and CCT
Triamterene
Inhibits Na+-K+-2Cl- symporter in TAL of loop and distal tubule
Furosemide
Stimulates alpha 2 receptors in the brain stem which stimulates an inhibitory neuron resulting in reduced sympathetic outflow from CNS which results in a reduction in TPR
Clonidine
Central alpha-adrenergic inhibition decreases sympathetic outflow to heart, kidneys, and peripheral vasculature
Methyldopa
Selectively and competitively blocks AT 1 (1000X greater) and AT 2 receptors
Losartan
Direct renin inhibitor preventing conversion of antiotensinogen to angiotensin I (AT1) which reduces conversion to angiotensin II (AT2) producing arteriolar vasodilation
Aliskirin
Dilate coronary arteries and decrease myocardial oxygen demans
Cardizem, verapamil
Sympatholytics: Peripheral Adrenergic “R” Blockers - Beta blockers
Propranolol, Metoprolol Tartrate/Succinate, Atenolol
Diuretics: Thiazides
Hydrochlorathiazide
Competitive inhibitor of ACE preventing conversion angiotensin I to angiotensin II decreasing vasoconstriction by angiotensin II and decreases aldosterone secretion
Captopril, Lisinopril, Fosinopril
Vasodilation due to blocking calcium channels in vascular smooth muscle and myocardium
Amlodipine, Nifedipine