Dr. John Sterling Pfeifer M.D.

What is Ehlers-Danlos syndrome (EDS)?Ehlers-Danlos syndrome (EDS) is a group of genetic disorders that affect the body’s connective tissues, which are proteins that support the blood vessels, skin, bones, and other organs in the body. Connective tissues also provide elasticity and strength to the...

IntroductionDoctors who specialize in the diagnosis and treatment of conditions or diseases of the cardiovascular system (the heart and blood vessels) are called heart doctors or cardiologists. These specialists are trained to identify, treat, and help prevent heart issues. There are also different...

What is an aneurysm?An aneurysm is the abnormal ballooning, widening, or bulging of a part of the artery usually caused by arterial wall weakness. When an aneurysm enlarges and ruptures, disastrous consequences, such as internal bleeding, usually happen.Aneurysms are usually found in the aorta (the...

An aneurysm is the formation of a bulge when the walls of the arteries weaken. It is an artificial condition that can remain undetected for years. If it ruptures, it could lead to many complications and, at times, even death. The following are a few figures concerning the deaths caused by different...

Veins that are twisted, engorged and noticeable are referred as varicose veins. They normally form in the legs, although they can also develop anywhere on the body. This condition is frequent. The signs and symptoms of varicose veins are not many. Mild, skin ulcers and blood clots can arise from...

Blood from body organs is transported to the heart via blood vessels, or veins.  Organs use oxygen to function, and they discharge blood that has been used that contains waste products like carbon dioxide. The veins then take the blood to the heart and back to the lungs, where the carbon dioxide is...