Coronary angiography through the radial approach: passage through “Z” bend innominate artery

A 64 year old patient was admitted for elective coronary angiography for chronic stable angina. We proceeded through the right radial approach. After cannulating the radial artery, a 5 French sheath was inserted using a 0.038 inch guidewire and TIG 5 French (Terumo) catheter. While advancing the guidewire, it was observed …