Dr. Nishith Chandra
What is an implantable cardioverter-defibrillator (ICD)? The implantable cardioverter-defibrillator (ICD) is a device designed to shock the heart back into a normal rhythm to prevent sudden death. It is a complex collection of electronic circuits, batteries, and electrodes small enough to be put under the skin. The ICD system consists of: a pulse generator that can send a powerful shock […]
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What is a pacemaker? A pacemaker is a medical device which generates electrical impulses delivered by electrodes to contract the heart muscles and regulate the electrical conduction system of the heart. What is a pacemaker implantation? A pacemaker implantation is a procedure in which the cardiologist places a pacemaker in your chest. When is it used? This procedure is most […]
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The signs and symptoms of heart disease start before the recognizable stabbing chest pain that many would expect with a heart attack. In fact, many patients have signs that something is wrong with their heart for weeks or even months before they actually have a cardiac event, and doctors warn that sometimes those signs may be subtle “The more risk […]
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A heart attack happens when blood flow to a part of your heart muscle is suddenly blocked. Sometimes heart attacks happen when the heart needs more oxygen than the blood vessels can provide. This might happen, for example, during hard exercise such as shoveling snow. The heart is a muscle like other muscles in your body. It needs oxygen, which […]
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What is cholesterol? Cholesterol is a type of fat. It has both good and bad effects on the body. Your body uses cholesterol to make hormones and to build and maintain nerve cells. However, when your body has too much cholesterol, deposits of fat in the blood called plaque form inside blood vessel walls. The blood vessel walls thicken and […]
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