Tremulous Arm in Pediatrics — Case | Neonatology | SMLE Q#15367
SMLE Question #15367
Pediatrics
Neonatology
Objective: OBJ-386
Last updated: February 2026
A full-term 2-day-old male newborn has intermittent jitteriness with tremulous arm and leg movements. The episodes are stimulus-sensitive and stop when the limbs are gently held. He is feeding poorly and mildly irritable but otherwise alert, with no apnea or cyanosis. Which laboratory value should be checked first in this infant?
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