Design: single center case-series Prospective study.Setting: Coronary care and cardiac catheterization units of Sohag University Hospital.Study Population: the first 100 Patients (from January 2015 to June 2015) presented with ACS associated with serious cardiac arrhythmiasthen subjected to elective percutaneous coronary angiography. Results and Conclusion: arrhythmias are the most serious complication of acute coronary syndrome, 74% of patients above the age ... إقراء المزيد