A heart rate of 100 beats per minute (bpm) or higher, also known as tachycardia, can be a normal body response to exercise, stress ... The heart has a specialized electrical conduction system that ...

Department of Radiology, Lianyungang Clinical College of Nanjing Medical University, The First People's Hospital of Lianyungang, Lianyungang, China Introduction: Computed tomography angiography (CTA) ...