David Lloyd Vilkas M.D.

Enlarged heart or cardiomegaly is an indication of an underlying condition rather than a disease in itself. Enlargement makes the heart work harder than normal and weakens the heart muscles after a period of time. An enlarged heart has a number of causes including hypertension and coronary artery...

What is lupus?Lupus or systemic lupus erythematosus is an autoimmune disorder that may affect skin, kidneys, brain, and other organs. According to Lupus Foundation of America, about 1.5 million people in U.S. have lupus. This condition is seen more in women than in men....

Do you want to know what Cardiac Resynchronization Therapy (CRT) is? Do you know exactly how your heart functions? It works in a rhythm. It beats 60 to 100 times per minute, and when it beats, it pumps oxygenated blood to your whole body. When the heart relaxes immediately after each beat, impure...

Introduction An unpleasant sensation of rapid breathing or difficulty breathing is known as breathlessness. People sometimes complain of feeling winded, puffed, or out of breath. Medically, it is called as dyspnea. Breathing may hurt and the person may feel tightness in the chest. It is normal to...

Muscular dystrophies are a group of diseases that make the muscles of the body weaker over a period of time. The muscles become less flexible in this condition. Out of the nine types of muscular dystrophy, Duchenne muscular dystrophy is one of the most common.The main characteristics of this medical...

Angina pectoris is a symptom of a coronary artery disease which causes chest pain due to less blood flow to the heart muscle. Angina pectoris is also known as angina, and this problem can be a recurring issue or a sudden acute issue. Angina pectoris can be defined as pressure, stiffness, tightness...