Drugs Acting on the RAAS Flashcards
HTN
increase in the blood pressure such that the systolic pressure is >140mm/H
Untreated HTN can lead
heart disease, kidney disease, stroke, etc.
3 Regulatory Systems for BP:
Sympathetic nervous system
RAAS
Kidneys
Drugs for HTN:
Diuretics
Beta Adrenergic Blockers
Calcium Channel Blockers
Inhibitors of the RAAS System
Kidneys regulate
blood pressure, blood volume, and fluid and electrolyte balance through the renin-angiotensin-aldosterone (RAAS) system
The RAAS raises blood pressure through
vasoconstriction and water and sodium retention
ACE inhibitors block the production of
Angiotensin II; promote diuresis, improve circulation and improve cardiac function
ACE inhibitors used to treat
HTN, heart failure, diabetic nephropathy, MI, and prevention of cardiovascular events
ACE inhibitors in African Americans can cause
angioedema; not for pregnant; for diabetics with HTN
Types of ACE inhibitors
PRIL captopril enalapril lisinopril ramipril benazepril
Side Effects (for all ACEI)
DRY COUGH
first dose hypotension
HYPERkalemia
ANgioedema
Angiotensin II Receptor Blockers (ARBS)
SARTAN
blocks angiotension 2 and aldosterone; causing vasodilation and diuresis
losartan (Cozaar)
olmesartan (Benicar)
valsartan (Diovan)
ARBS
effects: orthostatic hypotension
hyperkalemia
angioedema
Aldosterone Antagonist (diuretic)
For HTN and heart failure
Eplerenone
Eplerenone side effects
hyperkalemia avoid salt subs