Blood clots are the clumps that form when blood hardens from liquid to solid. A blood clot that forms in a blood vessel or in the heart and stays put is called a thrombus. A blood clot that moves to another part of the body is called an embolus and the situation is called an embolism. Blood clots can attach to blood vessels and partially or completely block the flow of blood. When a vein swells because of a blood clot, it's called phlebitis. This blockage stops the usual amount of blood and oxygen from reaching the tissues in that location, which can damage the tissue. Blood clots also can increase your risk of having a stroke. A stroke happens when a blood clot blocks an artery or a blood vessel breaks, interrupting blood flow to the brain.
Symptoms of blood clots include:
warmth and tenderness over the vein
pain or swelling
Certain breast cancer treatments can increase your risk for blood clots. They are:
Avastin (chemical name: bevacizumab), a targeted therapy
The American Academy of Neurology (AAN) is giving us a sneak peek at what's coming up in their annual meeting next month, and new information about Migraine with aura, heart attack, and blood clots is on the agenda.
Two studies on this topic will be presented at the AAN annual meeting in March...
The first study is based on the 15-year-long Women's Health Study, which involved 27,860 women, 1,435 of whom had Migraine with aura. It showed that Migraine with aura is a strong contributor to the development of major cardiovascular events such as stroke and heart attack. During the 15-year study period, there were 1,030 cases of heart attack, stroke, or death from a cardiovascular cause.
Study author Tobias Kurth, MD, ScD, of INSERM, the French National Institute of Health and Medical Research in Bordeaux and Brigham and Women’s Hospital in Boston and a Fellow of the American Academy of Neurology commented:
" After high blood pressure, migraine with aura was the ...
Blood clots are clumps that occur when blood hardens from a liquid to a solid.
A blood clot that forms inside a blood vessel or within the heart and stays there is called a thrombus. A thrombus that breaks loose and travels from one location in the body to another is called an embolus. The related medical disorder is called an embolism. For example, an embolus that gets stuck in the lungs is called a pulmonary embolism.
Sometimes other materials can act like an embolus and block blood flow, including:
A piece of atherosclerotic plaque
Small pieces of tumor
Atheroembolic renal disease
Deep venous thrombosis
Renal vein thrombosis
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