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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 superior vena cava (SVC) is the superior of the two venae cavae, the great venous trunks that return deoxygenated blood from the systemic circulation to the right atrium of the heart. It is a large-diameter (24 mm) short length vein that receives venous return from the upper half of the body, above the diaphragm .
If obstruction of the superior vena cava by the Pancoast tumor occurs, a resulting mass effect called the superior vena cava syndrome occurs, resulting in facial swelling cyanosis and dilatation of the veins of the head and neck. This syndrome can be seen in 5-10% of patient cases. [11]
This form of patient monitoring can be particularly important when patients are managing complex self-care processes such as home hemodialysis. [ 3 ] Key features of RPM, like remote monitoring and trend analysis of physiological parameters, enable early detection of deterioration; thereby reducing emergency department visits, hospitalizations ...
Serotonin syndrome is a potentially life-threatening drug reaction that causes the body to have too much serotonin. It can be caused by certain drug interactions, as well as drinking alcohol while ...
Pseudohypertension, also known as pseudohypertension in the elderly, noncompressibility artery syndrome, and Osler's sign (or Osler sign) of pseudohypertension is a falsely elevated blood pressure reading obtained through sphygmomanometry due to calcification of blood vessels which cannot be compressed. [1]
In cases of minor wrist pain, CTS, arthritis, injuries and sprains, it's often recommended that the patient wear a wrist brace throughout the healing process to provide extra support, pain relief ...