John M. Criley M.D.

Atrial fibrillation - also known as AF or a-fib - is a medical condition that affects the rhythm of the heart. Problems that affect the rhythm of the heart cause a condition known as arrhythmia. This condition often causes irregular blood flow. It is quite common, with more than 200,000 cases in the...

Numerous products that contain flax seeds are now hitting the market every other day and claim to provide additional health benefits. Flax seeds are now hailed as the new super food that helps to fight a number of diseases, including heart diseases, diabetes, and cancer. Although these seeds have...

Experts are of the opinion that phytosterols improve the body’s ability to lower cholesterol levels. Like other cholesterol-lowering foods, including salmon and oats, phytosterols are supposed to lower the levels of ‘bad’ cholesterol, LDL. Phytosterols, or plant sterols and stanol esters, are...

What is CHD?Coronary heart disease (CHD) is the disease that develops when there is an insufficient oxygen supply to the heart muscle by the coronary arteries. The most common reason for this is atherosclerosis of the coronary arteries with cholesterol plaques formation and narrowing of the arterial...

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

What is a bubble study?A bubble study is a type of echocardiogram, which is the ultrasound of the heart. An echocardiogram is done to visualize the heart and its surrounding areas. Better images of the heart can be produced when a “contrast” is used during the echocardiogram. In a bubble study,...