cvs 1 Flashcards
right dominant PDA arises from
RCA
left dominant PDA arises from
LCX
coronary flow peaks in
early diastole
supply of SA node
RCA
supply of AV node
PDA (depends on dominance)
most dangerous MI
INFERIOR wall MI
compensatory mechanism of HF
tachycardia
decrease mortality drugs
SARB Spirinilactone ACE RRB BETA
stages of diastolic filling
Passive (70%)
Active (30%)
S3 heard in
passive
due to overloading /pregnancy/ iv fluid
s4
active filling
late diastolic
pathology of s4
HTN
HOCM
AS
watershed area heart
subendicardial
brain
AM (aca mca)
PM (mca pca )
liver
zone III
colon
splenic flexure
rectosigmoid
kidney
medullary of PCT — has max atp pumps
sarcomeres in series
eccentric
volume overload
severity of MS depends on
opening snap time
short interval means severe stenosis
sarcomeres in parallel
concentric
due to increase afterload
ortner syndrome
LA enlargment
left recurrent laryngeal nerve of vagus —- hoarsness
normal PCWP
8-12 mmhg
plop sound in
tumor c. myxoma
increased PCWP
MS
MR
myxoma
virchows triad
hypercoag
stasis
injury to endothelium
a wave
atrial contraction S4
c wave
bulging of tricuspid valve into atrium
x descent
ejection
v
venous return against close TV
y dscent
early filling S3
prominent y
constrictive pericarditis
absent y
cardiac tamponade
absent a wave
a fib
cavo tricuspid
role in a flutter
between IVC and tricuspid
ablation done here
PANTT
PGI2 ---- # PLT agg ATIII NO TpA Thrombmodulin
PGI2 analog
epoprostenol
pulm HTN
can also use iloprost
iloprost SE
jaw painflushing
PTN DOC
bosentan
endothelin rec antagonist
sildenafil moa
pde5 #
increase cGMP
PGE1 analog
alprostadil
smooth muscle relax
mantains PDA
P HTN (vasodilatory effect)
erectyle dys
PGE2
DInoprostone
cervical ripening / abortion
PGF2alpha
smooth muscle contraction
carboprost
latanoprost
abortion
latanoprost role in glaucoma
increases uveosacral outflow
increase NO in endothelium
ach bradykinin 5HT ANP BNP subs p
nitroprusside affect on veins + arteries
decrease preload
decrease afterload