The most commonly performed test in patients with any problems with their health are blood tests, and this is true even in the case of heart diseases. You may be asked to come to the pathology lab having observed an overnight fast (i.e. no food or water intake from midnight till the test) as this …
The electrocardiogram is a diagnostic test that provides information about the electrical activity of the heart. A detailed description about what an electrocardiogram is has been discussed here. In this section, we explain the ‘waves’ that are seen on the electrocardiogram in a little more detail. [toc] The normal ECG A normal electrocardiogram contains the …
The heart pumps blood toward the body by performing a series of alternate contraction and relaxation movements. In order for these contraction and relaxation movements to occur, electrical impulses must be transmitted through the heart muscle. Within the heart is present an electrical system that controls how and when the heart muscle contracts and relaxes. …
There are four different valves present in the heart. These are – Mitral valve Tricuspid valve Aortic valve Pulmonary valve The mitral valve lies between the left atrium and left ventricle. The tricuspid valve lies between the right atrium and the right ventricle. The aortic valve lies at the origin of the aorta and the …
How does blood flow through the heart? The heart itself requires good blood flow in order for it to function normally. This blood flow is achieved with the blood flowing through small arteries that lie on the surface of the heart. These arteries are known as the coronary arteries. The circulation of blood through the …
Coronary circulation – The Flow Of Blood Around The Heart Read More »
