Walter D Berkowitz M.D.

What does an irregular heartbeat mean?An irregular heartbeat is also medically termed as arrhythmia or dysrhythmia. An irregular heartbeat happens when the heart’s electrical signals that coordinate with your heartbeat are not properly functioning. When you have an arrhythmia, your heart may:...

Whether roasted or raw, walnuts are the best nuts and have an abundance of heart healthy nutrients. In a recent study, researchers compared the amount of polyphenols — the powerful antioxidants — in nine types of roasted and raw nuts. They also measured the amount of these antioxidants in two...

Congestive heart failure is a serious heart condition where the heart cannot pump the required amount of blood needed for the body’s circulatory system. Prevention is the most important step for congestive heart failure, and this can be achieved through a healthy diet and lifestyle. If the usual...

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...

Through closed vessels the closed circulatory system transports blood. This includes the arteries, veins, and the capillaries. Blood vessels that start from the heart are arteries and vessels that carry blood back to the heart are veins.ArteriesArteries are located deep in the body and have thick...

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...