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Pulmonary embolism (PE) is a blockage of an artery in the lungs by a substance that has moved from elsewhere in the body through the bloodstream (). [6] Symptoms of a PE may include shortness of breath, chest pain particularly upon breathing in, and coughing up blood. [1]
Lung infarction or pulmonary infarction occurs when an artery to the lung becomes blocked and part of the lung dies. [1] It is most often caused by a pulmonary embolism . Because of the dual blood supply to the lungs from both the bronchial circulation and the pulmonary circulation , this tissue is more resistant to infarction .
distension of pulmonary vascular bed causes tachypnoea: Chvostek sign: František Chvostek: endocrinology: hypocalcemia: tapping over facial nerve elicits abnormal muscle contraction(s) Claybrook sign: Edwin Claybrook: emergency medicine, surgery: blunt abdominal trauma: heart and/or breath sounds heard through abdominal wall indicate rupture ...
Pulmonary embolism (PE) involves occlusion of a pulmonary artery by an embolus, most often a thrombus, obstructing blood flow to the lungs. [6] Impairment of pulmonary circulation leads to severe ventilation-perfusion mismatching of the lungs, [30] terminating in hypoxemia and respiratory failure. Most PEs are sequelae of Deep Vein Thrombosis ...
Symptoms can appear within one hour of cocaine use. Aortic stenosis: This condition occurs in individuals with underlying congenital bicuspid valve, aortic sclerosis, or a history of rheumatic fever. Chest pain usually happens during physical activity. Syncope is a late symptom. Signs and symptoms of heart failure may also be present.
A pulmonary embolism is a blood clot that blocks blood flow to an artery in the lungs, according to the Mayo Clinic. The blood clot usually starts in a vein in your leg and travels to your lungs.
Chronic thromboembolic pulmonary hypertension (CTEPH) is a long-term disease caused by a blockage in the blood vessels that deliver blood from the heart to the lungs (the pulmonary arterial tree). These blockages cause increased resistance to flow in the pulmonary arterial tree which in turn leads to rise in pressure in these arteries ...
[7] [8] Diagnostic algorithms for pulmonary embolism in pregnancy vary; however, a common compromise is to perform ultrasound testing for deep vein thrombosis of the legs, and if this is positive, make the diagnosis of pulmonary embolism on the basis of symptoms and presence of the DVT. CTPA would then only be performed if exhaustive non ...