Krishnan Challappa M.D.

What is lightheadedness?Lightheadedness or feeling faint may not always be a cause for concern. However, it may also indicate an underlying health problem and can increase the risk of falling and fall-related injuries. If you feel lightheaded, drink water or fluids containing electrolytes and take...

Atrial fibrillation is a heart condition that occurs due to an irregular or abnormal beating of the heart. It is a serious medical condition that can result in fatality if not treated.An abnormal heartbeat takes place when the pace of the atria and that of the ventricles are not in harmony. The...

A recent study has shown that some of the genes present in the Y chromosome increases the chances of heart disease by as much as 50%. Men inherit a higher risk of cardiovascular diseases directly from their fathers. This adds to the increasing evidence as to why men are more susceptible to heart...

The following methods work together to treat heart failure:...

Invasive dental treatments, like tooth extractions, may increase the risk of heart disease or stroke, according to a new study published in, Annals of Internal Medicine. The results show the risk as a short-term one, which can return back to normal after six months.Earlier studies have shown a link...

Generic Name: DigoxinBrand Names: Cardoxin, Lanoxin, Digitek, LanoxicapsWhat is digoxin?Digoxin is derived from the digitalis plant leaves. It helps in making the heartbeat stronger along with a more regular rhythm pattern. Digoxin is mostly used for treating individuals who suffer from heart...