NBME Step 2 CK Form 6 Patent ductus arteriosus (NBME Answers)

need help with your account or subscription? click here to email us (or see the contact page)

search for anything ⋅ score predictor (“predict me!”)

Retired NBME Step 2 CK Form 6 Answers

step2ck_form6/Block 1/Question#39 (reveal difficulty score)
A 6-month-old girl is brought to the ...
Patent ductus arteriosus 🔍 / 📺 / 🌳 / 📖
tags: cardio marked

+6 upvote downvote
submitted by ∗sugaplum(487)

get full access to all content ⋅ pick a username

Widened pulse pressure in an adult is regurg. Widened pulse pressure in a new born is PDA. because the blood is swishing back and forth

get full access to all content ⋅ pick a username

jlbae I literally learned this from Divine last night. Only reason I got this one correct. Why has my medical school failed me so hard? +4

beans123 which divine video?? +

beans123 which divine video?? @jlbae +

+1 upvote downvote
submitted by ∗carolebaskin(109)

get full access to all content ⋅ pick a username

PDA gives continuous machine like murmur that crescendos at S2, so loud S2

Agree with sugaplum;

widened pulse pressure => PDA in newborn or regurg in adult

To and fro murmur = wave like = swishing back and forth = PDA

close with indomethacin

get full access to all content ⋅ pick a username

tinylilron why couldn't it be a Coarctation of the aorta? +1

jlbae Coarctation would not give a widened pulse pressure. It would present as high BPs in the upper extremities and low BPs in the lower extremities. Also the murmur would be systolic. This "to-and-fro" murmur is synonymous with a continuous “machine-like", which is present in both systole and diastole. +2

+0 upvote downvote
submitted by ∗step_prep7(71)

get full access to all content ⋅ pick a username

Leads to a widened pulse pressure (because blood flows from aorta to pulmonary arteries during diastole, leading to reduced systemic diastolic pressure) with a continuous to-and-fro murmur
Key idea: PDAs may also predispose to an increased risk of respiratory/lung infections

https://step-prep.org/tutoring/

get full access to all content ⋅ pick a username

Must-See Comments from step2ck_form6

szsnikaa on Germinal cell tumor
qfever on Glycogen storage disease, type II (Pompe's ...
sugaplum on Observation in the emergency department
sugaplum on Right vertebral
sugaplum on Patent ductus arteriosus
sugaplum on Borderline personality disorder
jlbae on An excess of very long chain fatty acids
carolebaskin on Gallstone ileus
medicalmike on Daily exercise program
carolebaskin on Pulmonary contusion
medicalmike on Wean from the ventilator
sugaplum on Right optic nerve
medicalmike on Obstruction of cerebrospinal fluid flow
derpymd on Observation in the emergency department