NNP Neonatal Cardiology Review Exam
Questions and Answers 100% Solved
What valves do you hear closing with the S1 sound (lub) - ✔✔closing of the
Tricuspid and Mitral valves (AV valves)
What valves do you hear closing with the S2 sound (dub) (should be split) -
✔✔Closing of Aortic valve and pulmonary valve (semilunar valves)
How does the Ductus arteriosus close after delivery? - ✔✔increase in
oxygen and decrease in prostaglandins PGE2 closes the DA.
How do infant hearts responde to low CO2? - ✔✔they increase their heart
rate.
When in cardiac contraction is systolic pressure read? - ✔✔End of each
contraction
When in cardiac contraction is diastolic pressure read? - ✔✔immediately
before each contraction
What happens with a widened pulse pressure - ✔✔blood running off into
pulmonary artery during diastole. PDA.
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What happens with a Narrow pulse pressure? - ✔✔Pericardial tamponade,
intravascular depletion and ECMO. The heart cannot contract
when auscultatimg the heart what will you hear with a VSD? - ✔✔Harsh
pansystolic on Left lower sternal border
when auscultating the heart what will you hear with a PDA? -
✔✔Continuous machinery
when auscultating the heart what will you hear with a troncus arteriosus? -
✔✔Harsh systolic, single S2
when auscultating the heart what will you hear with a valvular stenosis? -
✔✔Loud ejection click
when auscultating the heart what will you hear with a PPS (peripheral
pulmonary stenosis) - ✔✔murmur that radiates to axilla and back
Heart block is linked to what maternal diagnosis? - ✔✔Lupus
What is supraventriculat tachycardia SVT - ✔✔heart rate sustained at >220
bmn
What is the treatment of choice for SVT? and what are other tratments? -
✔✔Adenosine: rapid infusion followed by NS. (Ice, vagal, cardioversion)