External hemorrhoids occur when an extreme amount of pressure has been placed in the rectum, forcing too much blood into the veins; this causes them to stretch, bulge, and rupture. Once they begin to bulge, they affect the membranes that surround them, causing symptoms such as itching, burning, and

The EKG test measures electrical activity through the course of each heartbeat. By tracking an electrical charge from its inception, each chamber of the heart reveals certain characteristics, and the overall flow of the heartbeat mechanism can be analyzed. Many heart conditions affect the EKG readou

Broken blood vessels in the eyes, causing red spots to appear on the eyeball, can occur for a variety of reasons. Unless blood finds its way into the pupil or iris, there is generally no danger.

Millions of Americans have high cholesterol, which can lead to heart attack and/or stroke. The biggest factors in lowering cholesterol are diet and exercise. A low cholesterol diet should be low in saturated fats and refined carbs while emphasizing fruits and vegetables. There are a multitude of

Doctors insert pacemakers within patients in order to control their heartbeats. Irregular heartbeat can result from a birth defect, an accident or even a heart attack, which can lead to many problems such as shortness of breath and fatigue. Pacemakers provide an ideal solution to this predicament. T

A drug recently approved to treat life-threatening infections and organ failure may also help stroke victims.

Early, non-invasive measurement of CFR by transthoracic doppler echocardiography can provide insight into the pathophysiological changes after reperfused acute MI.

If you or a loved one has Parkinson's disease, WebMD offers tips to help you maintain your balance and prevent falls at home and elsewhere.

To maintain good health, your body must manage a perfect balance of fluid and electrolytes. During certain illnesses, this balance could be disturbed. A decrease of your body fluids and electrolytes, known as dehydration, is often treated with intravenous fluids. Intravenous fluids are liquid soluti

Years of basic science and clinical research have yielded new and fascinating stroke treatments. Depending on the type of stroke a person has suffered, several options exist that can minimize her chances of long term disability. Read about these innovative stroke treatments, and learn why time is br

Is the poorer survival of ICD patients with reduced eGFR influenced by arrhythmia status?

Learn the definition of the term metastatic brain tumor

WebMD discusses the important issue of driving when you have Parkinson’s Disease. Learn tips for safety and when you should stop driving.

Amiodarone is a prescription drug used to treat irregular heartbeat. It is most often prescribed in patients who have an implanted defibrillator. Serious side effects include lung disease and thyroid problems--factors which prompt some people to stop using Amiodarone and seek alternative treatment.

The brain ventricles are four cavities that are interconnected, containing cerebral spinal fluid (CSF).

Lowering bad cholesterol is as easy as one, two, three--diet, exercise and natural supplements. Bad cholesterol, also called LDL (low density lipoprotein) cholesterol, is the number you want to see decrease in order to avoid complications, including stroke and heart attack. These may arise from rest

Skin is the name for a system of tissue that protects our bodies against the outside world. It helps us sense our surroundings, fight infection and keep cool. Skin is regenerative tissue that absorbs burns, bug bites and bacteria, defends our bones, muscles and vital organs. It provides a highway fo

Find all medical reference articles on Stroke at WebMD.

The human body has three types of muscles--skeletal muscle, smooth muscle and cardiac muscle. Skeletal muscle is the type that people normally think of--the muscle that we use to move about and influence our environment, such as the muscle in our arms, legs, back and abs. Skeletal muscle movement is