Cardio final Flashcards
Vessel type chart
Aorta
Large artery
Small artery
arterioles- greatest resistance to blood flow
capillaries
venules
veins
vena cava
Cardiac output vs arterial pressure dependence
CO- controlled by the sum of all local tissue flows
Arterial pressure is independent of CO and local blood flow
PNS is responsible for ____
vagus nerve
sa/ av nodes
little innervation to ventricles
na k pump
3:2
3 na out/ 2 k in
what channels produce plateau?
l type ca channel
how to measure preload
lvedv/lvedp
cvp
pcwp
laplace law
pr/h
pressure x radius / thickness
nodal cell
4 if- na in, t type ca in
0 l type ca in
3 k out
normal aortic valve size
2.5-3.5
<0.8 severe stenosis
etiology AS
1-bicuspid calcification
rheumatic fever
infective endocarditis
AS presentation
SAD
syncope
angina
dyspnea
AS management
full slow constricted w neo
MS management
full slow constricted (no b1 agonism, no NO)
mitral size
4-6cm
<1cm severe stenosis
MS etiology
Rheumatic fever in developing countries
endocarditis and calcification in the US
RA
SLE