cardiovascular Flashcards
Bp= SVxHR x PR
blood pressure
also BP= CO x Pr
Anti-hypertensives:
Diuretics
Vasodialotrs
Calcium Channel Blockers
ACE inhibitors
Angiotensin II receptor blocker
What is a diurectic?
decrease renal absorption (into tubule) of sodium that results in net fluid loss and reduction in BP
Which Diuretic results in hypokalemia by loss of K+ in urine?
Thiazide
What diuretic causes hyperkalemia through retnetion of K+ in blood stream?
Hyperkalemia
What is the MOA for a vasodialtor?
open K + channels to cause Vasodialtion
What is a calcium Channel Blocker
block Ca influx to cause vasodialtion
-mils
-zems
-dipines
What all cause gingival hyperplasia
verapimil
diltiazem
amlodipine
nifedipine
How does ACE inhibitors work?
block the enzyme that converts angiotensin I into angiotenisin II
ANGIO II is a potent vasoconstrictor
What are the suffixes of ACE inhibitors
-prils
WHat is an ANGI II blocker
competative antagonist at the angiotensin II receptor again blocking a potent vasoconstrictor
What is an antianginal?
help with preventing insufficient o2 to the heart
what does MONA stand for?
morphine
oxygen
nitroglicerin
aspirin
what is the function of cardiac glycosides?
to block the na/k atpase in INCREASE CALCIUM INFLUX and promote positive inotrophy in cardiac muscle cells only
What are two examples of cardiac glycosides?
Digoxin
and
Digitalis
What is the role of ACE inhibitors in CHF
blocks the enzyme that converts ang I into ang II and preventing teh ang II to being a ptoten vasodialtor
What the function of anti-arrythmics?
to establish regular heart beat
what is a type i anti-arr
NA+ channel blockers for cardiac muscle onlu
what does A1 do for NA channel blockers
lenghtens the refractory period to slow heartbeat
What does the 1 B do?
shortens the refractory
what does type 2 anti arr do?
beta blockers
what is a type 3 anti arr
k+ channel blocekr s
what is a type 4 anti-arr
ca2+ channel blockers
Which anti arr treat afib? `
quinidine
verapamil
digitalis
