Magnetic Resonance Angiography

Open MRI Procedures

Open MRI offers a clear picture of the soft-tissue structures of the human body. These images are not affected by bones and can be taken from any angle or direction. Some of the common open MRI procedures include scans of blood vessels, the brain,...

What Is Peripheral Arterial Disease Screening?

Peripheral arterial disease (PAD), also known as peripheral artery disease, is a common form of circulatory disorder where the supply of blood to the body is reduced through a narrowing of the arteries. Most times, someone with PAD will feel pain...

Throbbing in Ears

Tinnitus affects 20 percent of the American population, according to the University of Maryland Medical Center. It is a symptom characterized by a sound heard in the inner ear. You can experience temporary tinnitus when you are exposed to very...

Why Do I Get a Severe Headache Hours After Running?

Headaches after a run should not happen. If you get a headache after exercising, your doctor needs to know what is happening so he can run different diagnostic tests and rule out different conditions. This is not the time to think, "It's just a...

Diagnostic Tests for Renal Disease

According to the Centers for Disease Control and Prevention, results from a 2008 national health survey show that 3.7 million American adults have renal disease. This figure does not include people who are in the hospital receiving treatment for...

Tests to Diagnose Peripheral Arterial Disease

Peripheral artery disease (PAD) is a condition that is similar to coronary artery disease, except that it occurs in the legs. It happens when the arteries in the legs become blocked by plaque buildup. This can restrict blood flow to the kidneys,...

Signs of a Blocked Carotid Artery

The two carotid arteries--one on either side of the neck--carry blood from the heart to the brain. As with all arteries, the carotids are subject to the build-up of plaque, a fatty substance that sticks to the artery walls. If enough plaque builds...

The Origin of Gadolinium

Gadolinium (Gd) is one of the most abundant of the rare earth elements, first discovered in the late 1800s by the chemists Jean-Charles Galissard de Marignac and Paul-Emile Lecoq de Boisbaudran. Its physical and chemical properties give it...

A Bleeding Stroke

A bleeding stroke, is uncontrolled bleeding from a burst blood vessel within or around the brain, according to the Stanford School of Medicine. A bleeding stroke is also called a hemorrhagic stroke, subarachnoid hemorrhage or intracerebral...

Artery Stent Procedures

Arterial stent procedures are performed using angioplasty. This is a minimally invasive procedure used to improve blood flow in the arteries and veins. During the procedure, imaging techniques are used to guide a catheter into the blocked artery...

Different Types of Brain Scanners

Today's physicians have a tremendous number of tools at their disposal to help them see what may be going on inside a patient's brain. But the same set of tools that makes them more informed than ever before can make patients more intimidated...

All About Peripheral Artery Disease

Peripheral artery, or arterial, disease, also called PAD, is similar to coronary artery disease in that blood no longer flows normally through blood vessels. In the case of peripheral artery disease, the affected arteries are located in areas of...

Symptoms of Circulation Problems in Foot

Poor circulation to the feet, known medically as peripheral vascular disease or PVD, is caused by blocked arteries and veins that supply blood to the extremities. According to the Texas Heart Institute, the blood vessels most distant from the...

How to Detect Eye Cancer

Eye cancer is a rare cancer that can affect the orbit (bony portion surrounding your eye), globe (eyeball) and its adnexal structures (eye tissues such as the eyelid). According to the American Cancer Society, eye cancers can appear at any age but...

What Is Artery Plaque?

Fats and cholesterol, carried in the bloodstream, build up within the arterial walls, forming hardened, calcified plaque. Arterial hardening, also called atherosclerosis or arteriosclerosis, is a condition that predisposes individuals to serious...

Natural Immunity & Allergies

The term "allergies" includes a wide variety of conditions, ranging from irritating hay fever to life-threatening anaphylaxis. All of these reactions, however, share much in common. The immune system is made up of a large number of cells...

Renal Artery Stenosis

The blood flow into the kidney is carried from the aorta to the renal artery. As atherosclerotic plaque builds up in the aorta it will extend into the renal artery and slowly decrease the diameter of the artery at its origin. As this process...

Distal Bile Duct Cancer

The bile duct is a system of tubes connecting the liver, gallbladder and small intestine. It transports bile from the liver to the gallbladder for storage and the intestines to aid digestion. The portion of the bile duct closest to the intestine...