last cardiac greenbook qs

Question 1

what happens during an atrial switch procedure

Answer 1

coronary arteries are freed and moved to the left side of the heart
aorta and pulm artery are put into the correct places
asd and vsd are closed

Question 2

true about a hypoplastic left vent

Answer 2

blood flows from left atrium to right
blow flows from ductus arteriosus to aorta
mitral valve is small and underdeveloped

Question 3

common manifestations of digoxin toxicity

Answer 3

interference with na-k atpase pump
hypotension
hyperkalemia
arrthymias

Question 4

Labetalol

Answer 4

alpha 1 and beta adrenergic blocker
slows HR and decreases PVR
can lead to respiratory failure so use with caution with children with respiratory illness

Question 5

risk of cardiac cath

Answer 5

vessel rupture
renal injury and failure
radiation exposure

Question 6

regurgiation mummur usllay indicates

Answer 6

injury to the tricuspid valve—look for decreased CO

Question 7

signs of device migration include

Answer 7

ectopic beats and hemodynamic compromise

Question 8

Normal left atrial pressure

Answer 8

6-12mmhg

Question 9

high LAP could indicate

Answer 9

obstruction from thrombi

Question 10

normal PAWP

Answer 10

6-12mmhg

Question 11

most common cause of myocarditis

Answer 11

Coxsakie disease

Question 12

Amioderone side effect

Answer 12

paroxysmal tachycardia, heart block and bradycardia

Question 13

amioderone works by

Answer 13

inhibits adrenergic stim and decreases AV node conduction

Question 14

action of dobutamine

Answer 14

decreases SVR, improves contractility and CO, improves myocardial oxygenation in children

Question 15

S/s of pericardits

Answer 15

grating scratching sound on ascultation (friction rub), muffled heart sounds, inablitliy to lie flat, plusus pardoxus

Question 16

pulsus paradoxusland

Answer 16

fall of sbp greater than 10 mmhg during inspiration

Question 17

tx of pericarditis

Answer 17

analgesics
antiinflamatory
maybe pericardiocentesis
avoid activity

Question 18

landmark for zeoring CVP is

Answer 18

phlebostatic axis

Question 19

upstroke of aline reprsents what and down stroke represtents what

Answer 19

up stroke is stystole and down storke is diastole

Question 20

what is the Pulmonary Capillary Wedge Pressure

Answer 20

estimate of left atrial pressure and provides info regarding ventricular failure
gives info on the mitral valve
obtained while balloon inflated
normal is 6-12
tachycardia can lead to false reading

Question 21

S/S of kawasaki

Answer 21

red swollen eyes with NO drainage
red lips and tounuge
swollen extremiteis
rash to fingers

Question 22

long qt syndrome is associated with what arrytmia

Answer 22

torresades de point

Question 23

med tx of long qt syndrome

Answer 23

beta blockers