Cardiovascular Flashcards
what is isolated systolic hypertension?
systolic pressure >160 with a diastolic pressure <90
what initial labs should be drawn with a hypertensive patient
serum creatinine postassium glucose fasting lipid profile UA electrocardiogram
A ratio of aldosterone to plasma reinin activity (PRA) greater than what is suggestive of primary aldosteronism.
20
if a patient presents w/ HTN, hypokalemia and difficult to control BP what should they be evaluated for?
primary aldosteronism
how are aldosterone levels attempted to be suppressed?
high sodium diet
If a patient has difficult to control BP, spells of palpitations, HA and marked elevated BP what should be suspected?
pheochromocytoma
What test is highly sensitive for pheochromocytomas?
plasma metanephrines
What are diastolic pressures <65 associated with?
increased stroke risk
IV meds for hypertensive emergencies
labetalol (alpha/ beta blocker)
nicardipine (CCB)
fenoldopam (dopamine-1 agonist)
when should antihypertensive meds be started in patients who don’t attain BP goals w/ lifestyle changes?
after 6-12 months of nonpharm therapy
ADR of diuretics
urinary frequency
muscle cramps
ADRs of ACE inhibitors
cough
angioedema
ADR of beta blockers?
bradycardia sexual dysfunction
what is an alpha-2 agonist used for BP?
clonidine
what are alpha-1 antagonists?
doxazosin, terazosin