Cardiac cycle is the term referring to all of the events that occurs from the beginning of one heartbeat to the beginning of the next. The frequency of the cardiac cycle is the heart rate. The time taken to complete one cardiac cycle is 0.8 sec and is called cardiac cycle time. Some events of cardiac cycle are as follows: [...]
The following points highlight the six major cardiac disorders that occurs in human body. The disorders are: 1. Heart Block 2. Ventricular Premature Beat 3. Ventricular Paroxysmal Tachycardia 4. Ventricular Fibrillation 5. Ischaemic Heart Disease 6. Myocardial Infarction. Cardiac Disorder # 1. Heart Block: Heart block is the condition when conduction of impulse from pacemaker area through the conducting tissue [...]
In this article we will discuss about the six main factors that maintain circulation in human heart. Factor # 1. Pumping Action of the Heart: This is the main motive force of circulation. Factor # 2. Elastic Recoil of the Arteries: Ventricles contract during systole and relax during diastole. So during systole certain amount of blood is being led directly [...]