John E Alexander M.D.

Recommended Articles

• Can Sleep Apnea Cause an Irregular Heartbeat?

  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,...

• These Conditions Can Cause Dyspnea

  OverviewDyspnea is the clinical term for shortness of breath or breathlessness experienced by both healthy individuals and patients with respiratory or cardiovascular diseases. It can also be a temporary condition that quickly resolves on its own or a symptom of a more serious health condition. A...

• Low-Density Lipoprotein

  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 Left-Sided Congestive Heart Failure?

  What Is Left-Sided Congestive Heart Failure?Heart failure means your heart is not able to work as well as it once did.Left-sided congestive failure is a critical condition in which the left side of the heart doesn’t pump blood efficiently. It is unable to meet the body’s metabolic needs,...

• Atrial Fibrillation: Get the Facts

  Atrial fibrillation is a heart condition that occurs due to an irregular or abnormal beating of the heart. It is a serious medical condition that can result in fatality if not treated.An abnormal heartbeat takes place when the pace of the atria and that of the ventricles are not in harmony. The...

• Are There Benign and Malignant Tumors of the Heart?

  It is a well-known fact that in the body, in various tissues due to various reasons, neoplasms sometimes appear in the form of tumor growths. The heart is not an exception. The tumor growth can be benign and malignant. Therefore, there are two types of the heart tumors.Benign tumors These do not...