Pulmonary Embolism

Gender gap found in cardiac arrest care, outcomes

Women who have a cardiac arrest are less likely than men to receive potentially life-saving procedures such as angiography to look for blocked coronary arteries or angioplasty to open them, according to new research in Journal ...

Jun 22, 2016
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Surgery for pulmonary embolism may prevent

A surgical procedure that was virtually abandoned in the 1950s because of its high mortality rates in trying to save patients with acute pulmonary embolism may actually prevent more deaths in severely ill patients than current ...

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MRI techniques improve pulmonary embolism detection

New research shows that the addition of two magnetic resonance imaging (MRI) sequences to a common MR angiography technique significantly improves detection of pulmonary embolism, a potentially life-threatening condition ...

Mar 19, 2012
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Pulmonary embolism (PE) is a blockage of the main artery of the lung or one of its branches by a substance that has travelled from elsewhere in the body through the bloodstream (embolism). Usually this is due to embolism of a thrombus (blood clot) from the deep veins in the legs, a process termed venous thromboembolism. A small proportion is due to the embolization of air, fat, talc in drugs of intravenous drug abusers or amniotic fluid. The obstruction of the blood flow through the lungs and the resultant pressure on the right ventricle of the heart leads to the symptoms and signs of PE. The risk of PE is increased in various situations, such as cancer or prolonged bed rest.

Symptoms of pulmonary embolism include difficulty breathing, chest pain on inspiration, and palpitations. Clinical signs include low blood oxygen saturation and cyanosis, rapid breathing, and a rapid heart rate. Severe cases of PE can lead to collapse, abnormally low blood pressure, and sudden death.

Diagnosis is based on these clinical findings in combination with laboratory tests (such as the D-dimer test) and imaging studies, usually CT pulmonary angiography. Treatment is typically with anticoagulant medication, including heparin and warfarin. Severe cases may require thrombolysis with drugs such as tissue plasminogen activator (tPA) or may require surgical intervention via pulmonary thrombectomy.

This text uses material from Wikipedia licensed under CC BY-SA

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