Education
Three shunts, the changes at birth, and the drugs that open or close the ductus. A rapid, high-yield review of fetal circulation for medical students and exam candidates.
In this episode: • Ductus arteriosus: PA→aorta; closes w/ O2, indomethacin • Foramen ovale: R→L atrial shunt; closes w/ ↑LA pressure • Ductus venosus: bypasses liver; umbilical vein→IVC • PGE1 keeps DA open · indomethacin closes PDA
Exam pearl: Ductus venosus bypasses liver
⏱ 3:41 · Quick Medical Review — study smart, not hard. More episodes: https://www.youtube.com/@quickmedicalreview
Covers high-yield pediatrics for USMLE Step 2 CK, MRCP, PLAB and SMLE. Educational revision only — not medical advice.