Peter O'brien MD

Recommended Articles

• How Is Sarcoidosis Diagnosed?

  What is sarcoidosis?Sarcoidosis is an inflammatory disease, which is characterized by the growth of granulomas or tiny collections of inflammatory cells in various parts of the body. When the immune system is slowed down and when these numerous clumps form, they tend to interfere with the organ’s...

• Health Reasons That Can Make a Person Pass Out

  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...

• Atrial Fibrillation: What is the Maze Procedure?

  Atrial Fibrillation: What is the Maze Procedure?Atrial fibrillation is known as one of the most dangerous conditions of the heart. The infection can easily lead to stroke if you are not careful. It causes abnormal vibrations in the heart chambers, especially the atria. It alters the electrical...

• Are Statins Safe?

  Statins are a class of drugs that help to reduce the levels of cholesterol in blood by inhibiting the enzyme involved in the production of cholesterol in liver. It is one of the most commonly prescribed drug to lower cholesterol levels and to avoid complications like stroke and heart attacks....

• What Is a Bubble Study?

  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,...

• Natural Trans Fats May Not Negatively Affect Your Heart

  Trans fats can be classified as natural and man-made. Natural trans fats are found in beef, pork, lamb, and dairy products. Man-made trans fats are used to increase the shelf life of many products, and these fats are found to increase the risk of heart disease and clogging the arteries. According to...