Severe fetal tachycardia after administration of hexoprenaline to the mother. A case report.

A fetus developed extreme supraventricular tachycardia (210/min) after intravenous hexoprenaline 10 micrograms was administered to the mother for intrapartum fetal distress. Urgent caesarean section resulted in the birth of a male baby with a reduced Apgar score; the infant survived after being ventilated for 24 hours.