antihypertensive meds Flashcards
aldosterone effect on body?
causes sodium and water retention
what is the ace inhibitors actions with aldosterone?
prevents its secretion
what is the hemodynamic effect with aldosterone
decreased: plasma vol., filing pressures, and preload
angiotensin 2 has what effect on the body?
potent vasocontrictor
what is the ace inhibitors action with angiotensin 2?
prevents formation
what is the hemodynamic effect with angoitensin 2
lower SVR and afterload
bradykinin has what effect on the body?
vasodilator
what does the ace inhibitor due with bradykinin?
prevents its breakdown!!
what is the hemodynamic effect with bradykinin?
lower SVR and afterload
what do central acting alpha agonist do?
stimulate alpha 2 receptors in CNS (reduce “fight or flight” response)
what is the only medication under central acting alpha agonist?
cloindine (catapres)
what drug can also be used as a opioid withdrawl?
clonidine (catapres)
what does a alpha blocker do?
dilates arteries/veins
what is the effect on the body for alpha blockers?
lower SVR and lower urethra obstruction
alpha blockers end in?
-zosin
alpha blockers are mostly used for?
BPH (prostate) -urethra obstruction
what are the the 9 meds branches for HTN
centrally acting alpha agonist, alpha blockers, beta blockers, ACE inhibitors, ARB (Angiotensin 2 receptor blocker), DRI (direct renin inhibitor), CCB (calcium channel blocker), vasodilators, diuretics
what do beta blockers do?
blocker epinephrine, lower: HR, renin, SVR
what should you not do with beta blockers?
stop them suddenly
beta blockers end with?
-lol
what two medications affect both alpha and beta?
carvediolol (coreg) and labetalol (normodyne)
labetalol is also used for?
circulation issues
what is the only ACE inhibitor what is IV and PO?
enalapril (vasotec)
ACE inhibitors do not make?
angiotensin 2