Howard M Ledewitz M.D.

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...

Blood pressure above 140/90 mm Hg is considered hypertension, and is one of the most prevalent and preventable conditions. High blood pressure is one of the causes of about 15% of deaths in the country, and also increases the risk of heart attack and stroke. Not to mention the risks of aneurysms,...

Congestive heart failure does not indicate that your heart has stopped working; instead what it indicates is that your heart is pumping blood at a slower rate than normal.  Because the blood moves through the heart and the body at a much slower rate, the pressure in the heart builds up. Hence, the...

Arginine is an essential amino acid that has been in the spot light among hundreds of other nutrients because of its benefits to the heart. For many people diagnosed with heart disease, the heart-healthy benefits of this nutrient have come to the forefront. Arginine is a semi-essential amino acid...

What is a persistent cough?It can be annoying to have a cough that lasts for more than a couple of weeks. A cough is considered chronic or persistent if it does not go away after four weeks in children and eight weeks in adults. However, most persistent coughs are due to colds, flu, infection, or...

Lupus is an unpredictable, multi-organ disease, and in some it may have milder course characterized by skin rashes or muscular aches, while in others it may start abruptly with predominant symptoms of some serious illness. It is not uncommon for lupus patients to present with the symptoms of kidney...