Missed heart beat

Question: What causes the heart to miss a beat now and then? Is it dangerous?
If a piece of heart muscle is taken from the body and kept alive in a nutrient solution, it will spontaneously contract at about 40 beats per minute.
There is an area near the top of the heart that is made from [...]

Popularity: 18%

Blocked arteries

Question: How the blocked arteries are treated by fixing a small balloon in it ?
When an artery becomes narrowed by fatty deposits, insufficient blood may reach the part of the body beyond the narrowing, particularly during exercise, when more of the oxygen carried by the blood, is required as fuel by the muscles. When this [...]

Popularity: 16%