More about the Heart: Four Heart Valves

 The atria receive blood from all the parts of the body and the lungs and push it into the ventricles. The ventricles contract and push blood through the huge Aorta and Pulmonary Artery and then through the whole body and the lungs respectively. In this way, the...
How is angina diagnosed?

How is angina diagnosed?

How is angina diagnosed? Sometimes a history of symptoms alone may clinch the diagnosis. Physical examination may reveal nothing. A resting Electrocardiogram ( ECG ) may show changes of Angina or be entirely normal. But a stress test ( ECG while walking on a...