The heart contains four chambers, the left and right atria and left and right ventricles. These four chambers receive and send blood through several vessels and valves to keep the body perfused with...
Heart disease is defined as any abnormality of cardiac structure or function. Heart failure is said to occur when clinical signs of increased tissue water and/or decreased tissue perfusion are...
Before analysis of arrhythmias can begin, it is important to understand what a normal electrocardiogram (ECG) trace looks like, and just as importantly, why it looks that way (Figure 1). The normal,...