Thomas Stevan Johnston MD

Recommended Articles

• What is Ischemia?

  Ischemia refers to the condition in which the muscles of the heart do not get an adequate supply of oxygen. This mostly happens because of reduced blood flow to the cardiac muscles either due to complete blockages or due to a partial block in the blood vessels that carry blood. This condition, also...

• What are Phytosterols?

  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 Causes Sudden Cardiac Arrest?

  Sudden cardiac arrest is one of the most common causes of death due to cardiac diseases. Sudden cardiac arrest refers to the sudden loss of heart function, resulting in death. It is different from a heart attack in that the latter is caused by a blockage in one of the vessels that supplies the walls...

• What Should I Know About Blood Clots?

  Blood flows continuously through blood vessels and supplies nutrients and oxygen to different parts of the body. At the site of an injury, a blood clot prevents excess bleeding. Under normal conditions, blood clots are lifesaving. When the clot is formed as a part of normal repair process in the...

• What Are the Warning Signs of Hypertensive Crisis?

  High blood pressure or hypertension is a chronic condition that may lead to other complications, including organ damage, gradually over a period of time. The blood pressure may become very high and severe all of a sudden resulting in a condition referred to as hypertensive crisis. Hypertensive...

• A New Form of Spaghetti Has Been Designed to Reduce the Risk of Heart Disease

  Scientists have developed ‘super spaghetti’, a variant of the normal form made from barley flour and this new form of noodles is supposed to reduce the risk of heart disease. Super spaghetti was developed by the scientists in Italy and Spain and the report is published in, Journal of...