Persistent Oozing From Umbilical in Medicine / Internal Medicine — Case | Hematology | SMLE Q#18721
SMLE Question #18721
Medicine / Internal Medicine
Hematology
Objective: OBJ-HEMO-COAG-UMBILICAL
Last updated: March 2026
A 6-day-old boy is brought to the emergency department for persistent oozing from the umbilical stump since birth. He received intramuscular vitamin K at delivery. There is no petechiae, epistaxis, or oral mucosal bleeding, and pregnancy and delivery were uncomplicated. Screening coagulation studies show normal platelet count, PT, aPTT, and bleeding time. Which coagulation factor deficiency best explains this presentation?
Continue in practice mode
Sign in and start a focused practice session to view options, submit your answer, and read the full explanation.