James Edward Kallal M.D.

What is Raynaud’s disease?Raynaud’s disease, also known as Raynaud’s syndrome or Raynaud’s phenomenon, is a rare blood vessel disorder described by a French physician named Maurice Raynaud in 1862. In this condition, the blood vessels that carry blood from the heart to other parts of the...

Generic Name: ClopidogrelBrand Name: PlavixWhat is Plavix?Plavix is a drug that prevents the platelets in the blood from sticking together, thereby avoiding the formation of blood clots. There can be unwanted cases of blood clots, which can occur in cases of heart diseases or blood vessel...

What is cholesterol?Cholesterol is primarily produced in the liver, which makes approximately 1,000 milligrams of cholesterol per day. However, it can also be produced by the cells lining the small intestines and also by each cell present in the body. Abnormally low cholesterol levels would mean...

Unfortunately, there is an increasing prevalence of hypertension, which is the term used to indicate high blood pressure with a reading of 140/90 mm Hg or higher. It is being blamed on living a modern lifestyle, the frequency of alcohol and tobacco intake, certain physical activities, and processed...

What is ischemia?Ischemia is the medical term used to describe a lack of blood flow to certain organs or body parts. Since the blood carries oxygen and other necessary nutrients to parts of the body, when blow flow is reduced these body parts do not receive the adequate amount of oxygen and...

What are heart palpitations?Heart palpitations are when you start feeling your own heart beating. You will feel as if your heart is beating too fast, slow, forcefully, or irregularly. You will feel as if you missed a beat. The frequency and severity of heart palpitations will vary from one person to...