Defibrillator
Defibrillator - Fibrillation is abnormal and asynchronous contraction of the heart muscles. This reduces the proper effectiveness of heart pumping. Atrial fibrillation is irregular and faster contract ions of atria. It may occur in myocardial infarction and in rheumatic heart disease. Ven..
Prosthetic Cardiac Pacemaker
Prosthetic Cardiac Pacemaker - The sinoatrial node, known as SA node is located in the right atrial wall below the opening of the superior vena cava. The SA node initiates the cardiac cycle and sets the basic pace for the heart rate, hence called the pacemaker. If this normal an..
Summary
>Cardiac cycle consists of events in the heart repeated cyclically during each heartbeat. Contraction and relaxation of cardiac chambers are respectively called systole and diastole. The heart beat results from a wave of electrical potential called cardiac impulse spreading over the cardiac chamber..
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