Diagnostic Invasive Coronary Angiography in Patients with Small Myocardial Perfusion Defects with Low Exercise Tolerance

Ehab El-Sayed, Ahmed K Metawa, Moustafa I Mokarrab, Islam Shawky, Mohammad A Mousa and Mohammed E Saif^*

Department of Cardiology, Faculty of Medicine, Al-Azhar University, Egypt

^*Corresponding Author: Mohammed E Saif, Department of Cardiology, Faculty of Medicine, Al-Azhar University, Egypt, Tel: +2001099735378 Email: