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DVTDVT stands for deep vein thrombosis (throm-BO-sis) DVT is a
condition in which a blood clot (thrombus) forms in a deep vein
inside the body, usually in the legs. Clots can form in superficial
veins and in deep veins. Blood clots with inflammation in
superficial veins (called superficial thrombophlebitis or
phlebitis) rarely cause serious problems. But clots in deep veins
(DVT) require immediate medical care.
Veins in the extremities carry blood to the heart and lungs,
where the blood is oxygenated. As the blood returns to the heart
from the lungs, the arteries carry the oxygen-rich blood out to the
body. (From Medline Plus)
VenographyThis slide shows a DVT in the thigh region (circled).
(DVT = Deep Vein Thrombosis)
DVTIf part of a blood clot breaks off, it can travel through the
bloodstream to the lung and cause a pulmonary embolism
(PULL-mun-ary EM-bo-lizm), often referred to as a PE, which can be
fatal. DVT (i.e. a blood clot in a deep vein of the leg, pelvis,
and sometimes arm) does not cause heart attack or stroke. (However,
a blood clot in an artery, usually in the heart or brain, is called
arterial thrombosis. This type of blood clot can cause heart attack
PEPE stands for pulmonary embolism (PULL-mun-ary EM-bo-lizm) A
PE is a sudden blockage in a lung artery. The blockage usually is
due to a blood clot that traveled to the lung from a vein in the
leg (i.e. a DVT). A clot that forms in one part of the body and
travels in the bloodstream to another part of the body is called an
embolus (EM-bo-lus). PE is a very serious condition. It can damage
the lungs and other organs in the body and cause death.
You Tube Video LinksPulmonary Embolism-What is a Pulmonary
Embolism? (The Henry 2010s Channel)
http://www.youtube.com/watch?v=yyZZajGDXlE 3D Medical Animation of
DVT & Pulmonary Embolism (Nucleus Medical Art)
http://www.youtube.com/watch?v=gGrDAGN5pC0 How a Clot Can Become a
Pulmonary Embolism (ASHWebmaster)
StrokeA stroke occurs when a blood vessel that brings oxygen and
nutrients to the brain either bursts (hemorrhagic stroke) or is
clogged by a blood clot or some other mass (ischemic stroke).
"Mini-strokes" or transient ischemic attacks (TIAs), occur when the
blood supply to the brain is briefly interrupted.
SummaryBlood clots in the veins or venous system can cause deep
venous thrombosis (DVT) in the pelvic, leg, and upper extremity
veins. When these DVTs break off and travel through the bloodstream
to the heart and then to the lung blood vessels, they cause acute
pulmonary embolism (PE) Blood clots that develop in the arteries
can cause heart attack, stroke and other conditions.