Electronic fetal monitor paced by maternal implanted pacemaker.
An implanted maternal pacemaker was found to produce a stronger fetal scalp signal than did the fetal R wave, thus causing the fetal electronic intrapartum monitor to record maternal heart rate. The newborn infant was healthy and well.
D000328:Adult; D002304:Cardiac Pacing, Artificial; D003951:Diagnostic Errors; D005260:Female; D005318:Fetal Heart / Q000502:physiology*; D005323:Fetal Monitoring / Q000379:methods*; D006331:Heart Diseases / Q000628:therapy; D006339:Heart Rate; D006801:Humans; D007748:Labor Stage, Second; D010138:Pacemaker, Artificial; D011247:Pregnancy; D019736:Prostheses and Implants