day of test Flashcards
what meds are used to treat angina?
nitrates, beta-blockers, and Ca channel blockers
what should post MI patients be taking?
aspirin, statin, ACE-inhibitor, beta blocker
what should post stent patients be taking?
aspirin, statin, Ace-inhibitor, beta blocker, blood thinner (plavix)
what are intercalated disks?
cell membranes that separate individual cardiac mm cells membranes that fuse in a way that allows for permeable communication junctions
the ability of cardiac mm to depolarize and contract is __________
intrinsic
when the PSNS fibers in the vagus nerve in heart are stimulated what do they affect about the hear to decrease CO?
HR
when the PSNS is stimulated and acetylcholine is released does that hyperpolarize of depolarize the membrane of the cells?
hyperpolarize
arterial pressure is generally controlled _____________ of local tissue flow or CO
independently
with a STEMI and NSTEMI what happens at the site of the injured segment?
injured segment is partially depolarized prior to stimulation
if someone had a previous MI and took an exercise test what would the ECG show that indicates myocardial ischemia?
ST segment elevation
what are HR limitations for post MI patients?
> 120 or 20 above resting is allowed for activity
what are HR limitations for post surgery patients
30 beats above resting is allowed with activity
what agent can increase cardiac muscle contraction?
digitalis, no longer favored
what is the triple drug cocktail for HF?
diuretic, ACE inhibitor, Beta-blocker
what are the loop diuretics
lasix, bumex