Result of blocked arteries: Heart Attack

Result of blocked arteries: Heart Attack

Result of blocked arteries: Heart Attack We have seen how atherosclerosis leads to the hardening of arteries and their gradual blockage, and how this blockage leads to Angina pectoris and then Heart Attack ( called Acute Myocardial Infarction or AMI )....

Blood Flow in the Heart

 Blood comes back to the heart via the veins. The small veins join together to form larger veins, which in turn join to form the two largest veins, the Superior (higher) Vena Cava and the Inferior (lower) Vena Cava. The blood returns to the heart via these huge...

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...