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
AR etiology
endocarditis
incompetent valve, dilation of aortic root
marfan, ehler danlos, ankylosing spond
AR management
Full fast forward (no phenyl / vaso)
MR management
full fast forward
MR etiology
rheumatic fever
endocarditis
Many more
ASSS ARDS MRSA MSDA
aortic stenosis systolic sternum
aortic regurg diastolic sternum
mitral regurg systolic apex
mitral stenosis diastolic apex
3 approaches to tavr
transfemoral
transaortic
transapical
2 diff valves for tavr
sapian rvr, cardiac standstill, balloon valvuloplasty
corevalve self expanding, no rvr
main complication of tavr
aortic regurg