Refractory Bradycardia--a Rare Complication of Carboprost Tromethamine for Induction of Abortion

We report a first case of refractory several-hour sinus bradycardia, a rare but already described side effect of intramuscular administration of carboprost tromethamine to induce abortion for medical indication in a patient without cardiovascular and other diseases. After administration of atropine sulfate 3x0.5 mg intravenously without effect, the patient‘s sinus rhythm spontaneously normalized as carboprost was eliminated from the body (it has a 3-hour half-life). It is reasonable to believe that the specific prostaglandin underlay the etiology of bradycardia.