Dr. Alan Dardik M.D., PH.D.

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...

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...

The formation of blood clots in one of the deep veins in the leg may not be entirely serious alone. However, if the clot breaks off and moves towards the heart and other organs, it may lead to complications. Blood clots in the leg may cause leg pain but may also not cause any symptoms at all....

Varicose veins are bothersome and uncomfortable. Apart from being unattractive, varicose veins are associated with both physical and mental pain. High temperatures during the summer call for relaxed clothing, and varicose veins can prevent someone from living their life happily. Because age is one...

What is atherosclerosis?Atherosclerosis is also known as arteriosclerotic vascular disease or ASVD. It is a particular type of arteriosclerosis in which an artery wall gets thickened as an effect of attack and accumulation of white blood cells and rupture of the intimal smooth muscle cell producing...

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...