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A positive Pemberton's sign is indicative of superior vena cava syndrome (SVC), commonly the result of a mass in the mediastinum.Although the sign is most commonly described in patients with substernal goiters where the goiter "corks off" the thoracic inlet, [4] the maneuver is potentially useful in any patient with adenopathy, tumor, or fibrosis involving the mediastinum.
Superior vena cava syndrome (SVCS), is a group of symptoms caused by obstruction of the superior vena cava ("SVC"), a short, wide vessel carrying circulating blood into the heart. The majority of cases are caused by malignant tumors within the mediastinum , most commonly lung cancer and non-Hodgkin's lymphoma , directly compressing or invading ...
The appearance is an indirect reflection of the collateralized flow of SVC syndrome, in which occlusion of the superior vena cava leads to preferential flow to the quadrate. [ 1 ] The sign is similar in mechanism but distinct in significance from the hot caudate sign , in which the caudate lobe of the liver shows preferential enhancement or ...
Superior vena cava syndrome is a rare complication of arm DVT. [11] DVT is thought to be able to cause a stroke in the presence of a heart defect. This is called a paradoxical embolism because the clot abnormally travels from the pulmonary circuit to the systemic circuit while inside the heart.
Congenital stenosis of vena cava is a congenital anomaly in which the superior vena cava or inferior vena cava has an aberrant interruption or coarctation. In some cases, it can be asymptomatic, [ 1 ] and in other cases it can lead to fluid accumulation and cardiopulmonary collapse.
These target all of the usual suspects: puffy eyes, under-eye bags, dark circles, signs of aging and dryness, all thanks to ingredients like sea moss, hydrolyzed vegetable protein and hyaluronic acid.
Eva Longoria is enjoying some R&R with her family over the holidays.. On Friday, Dec. 27, the actress, 49, shared a carousel of photos on Instagram from a recent trip alongside her husband José ...
Coronary microvascular diseases (CMDs), which are a group of conditions affecting the microvasculature in the heart and include microvascular angina, previously known as cardiac syndrome X. [ 5 ] Cerebral small vessel diseases (CSVDs), which include arteriosclerosis -related CSVD as in hypertension , amyloid -related CSVD as in Alzheimer's ...