Byung Ryang Park MD

An arrhythmia is the violations of the frequency, rhythm, and sequence of heart contractions.Why do arrythmias occur?...

IntroductionTo maintain good health, balanced cholesterol levels are quite important. The liver is an organ that detoxifies drugs and other foreign substances. It also stores glycogen, which the body utilizes for energy. Other important functions of the liver include metabolizing carbohydrates,...

What is a bubble study?A bubble study is a type of echocardiogram, which is the ultrasound of the heart. An echocardiogram is done to visualize the heart and its surrounding areas. Better images of the heart can be produced when a “contrast” is used during the echocardiogram. In a bubble study,...

The New England Journal of Medicine recently published research linking height and coronary artery disease through the study of genetics. Doctors have known since the 1950s about the link between short stature and coronary artery disease, “but the reason behind this really hasn’t been completely...

Causes of Fainting A person faints or loses consciousness for a brief time when the brain does not get enough oxygen. Fainting or passing out is also medically called syncope. Before fainting, people may experience lightheadedness, dizziness, weakness, and nausea. Others describe fainting as...

There are numerous people who complain about waking up with a fast-beating heart. While some think this isn’t anything to worry about, there are studies that link waking up with an irregular heartbeat to sleep apnea. Sleep apnea is a very common sleeping disorder that is very alarming. In fact,...