Cardio and HTN Flashcards
HTN emergency
> 180/120 with target organ dysfunction
target organ dysfunction
encephalopathy intracerebral hemorrhage papilledema acute MI acute LV HF with pulm edema dissecting aortic aneurysm acute renal failure MAHA (hemolytic anemia) eclampsia
HTN urgency
> 180/120 without target organ dysfunction
HTN emergency tx goals
rapidly lower diastolic to 100-110 in 1-6 hrs
HTN urgency tx goals
slowly lower bp in 1-2 days
tx for HTN emergency with acute MI
nitro
if HTN emergency and acute MI, don’t use
hydral (inc HR) and beta blocker/labetalol (dec cardiac contractility)
tx for HTN emergency with pulm edema
nitro loop diuretic (lasix)
tx for HTN emergency and CHF
IV loop diuretic (lasix) IV vasodilator (nitroprusside) IV nitroglycerin ACEI (enaliprilat) fenoldopam
problem with nitroprusside if acute renal failure
can inc risk for cyanide toxicity
tx for uncomplicated HTN
thiazides > ACEI
tx for HTN if DM
ACEI or ARB
tx for HTN if CKD
ACEI or ARB
tx for HTN if high risk CAD
ACEI or ARB
tx for HTN if angina
beta blocker or calcium channel blocker
tx for HTN if post-MI
beta blocker
ACEI
aldosterone antagonist (ex: spironolactone)
tx for HTN if edema
diuretic
restrict diet to 2g sodium
medication you can use with ACEI
calcium channel blocker
medication not to use with ACE-I
K+ sparing diuretic like spironolactone (can give hyperkalemia)
med for aortic dissection
beta blocker (esmolol is titratable) or labetalol or propanolol
secondary med after beta blocker for aortic dissection
vasodilator like nitroprusside
guy with HTN crisis is given labetalol and nitroprusside. develops lactic acidosis and low BP. 4 possible causes?
- thiocyanate poisoning (toxicity from nitroprusside)
- acute MI
- labetalol OD
- cyanide poisoning (toxicity from nitroprusside)
sxs of cyanide toxicity
hypotension
metabolic/lactic acidosis
sxs of thiocyanate toxicity
muscle cramps, seizures, inc reflexes