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Neonatal Cardiology NNP Review Exam Questions And 100% Correct Answers
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Neonatal Cardiology NNP Review Exam Questions And 100%Correct Answers
What valves do you hear closing with the S1 sound (lub) - ANSWER closing of the
Tricuspid and Mitral valves (AV valves)
What valves do you hear closing with the S2 sound (dub) (should be split) - ANSWER
Closing of Aortic valve and pulmonary valve (semilunar valves)
How does the Ductus arteriosus close after delivery? - ANSWER increase in oxygen and
decrease in prostaglandins PGE2 closes the DA.
How do infant hearts responde to low CO2? - ANSWER they increase their heart rate.
When in cardiac contraction is systolic pressure read? - ANSWER End of each
contraction
When in cardiac contraction is diastolic pressure read? - ANSWER immediately before
each contraction
What happens with a widened pulse pressure - ANSWER blood running off into
pulmonary artery during diastole. PDA.
what happens w/ a Narrow pulse pressure? - ANSWER Pericardial tamponade,
intravascular depletion and ECMO. The heart cant contract
when auscultatimg the heart what will you hear w/ a VSD? - ANSWER Harsh pansystolic
on Left lower sternal border
, when auscultating the heart what will you hear w/ a PDA? - ANSWER Continuous
machinery
when auscultating the heart what will you hear w/ a troncus arteriosus? - ANSWER
Harsh systolic, single S2
When listening to the heart what will you hear with a valvular stenosis? - ANSWER Loud
ejection click
When listening to the heart what will you hear with a PPS (peripheral pulmonary
stenosis) - ANSWER murmur that radiates to axilla and back
Heart block is associated with what maternal diagnosis? - ANSWER Lupus
What is supraventriculat tachycardia SVT - ANSWER heart rate sustained at >220 bmn
What is the tx of choice for SVT? And what r other tratments? -ANSWER Adenosine:
rapid infusion followed by NS. (Ice, vagal, cardioversion)
What is the most common Congenital heart defect? -ANSWER VSD (ventricular septal
defect)
What are some signs of acyanotic heart defects? and where does the blood shunt? -
ANSWER Left to right shunting (from aorta to lungs) - cardiomegaly -increased
pulmonary vascular markings (from pulmonary edema) -CHF when PVR drops (4-6 wks)
ie. pulmonary overcirculation
What is a classic sign of PDA? - ANSWER Hyper dynamic precordium (heart is working
hard)
Is PDA cyanotic or acyanotic? - ANSWER acyanotic (left to right shunting)
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