Francis H Oliver M.D.

DiabetesInsulin is a hormone that is secreted by the pancreas. Diabetes can develop when the pancreas stops secreting insulin or when the body becomes resistant to insulin. The most common type of diabetes is type 2 diabetes.According to the American Diabetes Association, more than 25 million people...

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 the Triggers of Atrial Fibrillation?Atrial fibrillation (A-Fib) is a condition that affects the upper chambers of the heart, also known as the atria.In a healthy human heart, the electrical impulses pass through the atria through a contraction to the ventricles and fibers to complete a...

Lupus is a chronic inflammatory autoimmune disease that attacks the body’s healthy cells, tissues, and organs. The inflammation can damage the skin, joints, kidneys, lungs, heart, brain, and blood vessels.Normally, the body’s immune system produces antibodies. These antibodies protect and fight...

Sudden cardiac arrest is one of the most common causes of death due to cardiac diseases. Sudden cardiac arrest refers to the sudden loss of heart function, resulting in death. It is different from a heart attack in that the latter is caused by a blockage in one of the vessels that supplies the walls...

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...