CORONARY-ARTERY SPASM AND CARDIAC-ARREST DUE TO VENTRICULAR-FIBRILLATION

We report the cases of three young men, heavy smokers, without previou s heart disease and who were resuscitated after cardiac arrest due to ventricular fibrillation attributed to coronary spasm. All of them com plained of atypical chest pain and the exercise testing, echocardiogra m and coronary angiography were normal. The first case was diagnosed b y Holter monitoring and by provocative testing with intracoronary ergo novine; the second by provocative testing with intracoronary acetylcho line and the third by Holter monitoring. The patients were treated wit h a calcium antagonist and/or nitrates and in the follow up they remai ned asymptomatic.