Hipotensäo arterial grave após medicaçäo pré-anestésica com Inoval / Severe hypotension following pre-medication with Inovar

The authors describe a case of several hypotension in a healthy, 19 years old man, scheduled for surgical correction of a short Achiles tendon, following premedication with 1 ml of Inovar i.m. The patient was premedicated 20 minuts before being admitted to the O. R. the patient was drowsy, the blood pressure was 50 x 25 mm Hg and the heart rate 60 bpm. The hypotension did not respond either to atropine (1 mg) or to fluid therapy with lactated Ringer. After 2 mg of paredrinol i.v., the patient developed junctional rhythn for to minutes followed by recovery of the sinus rhythm and of blood pressure to 110 x 80 mm Hg