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It refers to the dilatation and abrupt change in calibre of a previously normal descending pulmonary artery on a chest X-ray film. [1] Chang sign usually appears within 24 hours of the onset of chest pain due to pulmonary embolism, [2] and the maximal dilatation of the descending pulmonary artery often occurs in two to three days after the ...
Fleischner sign is a radiological sign that aids the diagnosis of pulmonary embolism. [1] The sign indicates the dilatation of the proximal pulmonary arteries due to pulmonary embolism. [2] It was named after Felix Fleischner, who first described it. [3] The Fleishner sign is seen both on X-ray and CT scan of chest/thorax.
Blade of grass sign (also known as Flame sign) Blumensaat's line; Bohler's angle; Bone-within-a-bone appearance; Boomerang sign; Bow tie appearance; Bowl of grapes sign; Bowler hat sign; Brim sign; Bucket handle tear; Bulging fissure sign; Bunches of grapes sign (hepatic abscess) Bunch of grapes sign (botryoid rhabdomyosarcoma) Bunch of grapes ...
While the chest x-ray is normal in the majority of PE cases, [2] the Westermark sign is seen in 2% of patients. [3] Essentially, this is a plain X-ray version of a filling defect as seen on computed tomography pulmonary arteriogram. The sign results from a combination of: the dilation of the pulmonary arteries proximal to the embolus and
pulmonary embolism: Area of oligaemia on chest x-ray Whipple's triad: Allen Whipple: endocrinology: hypoglycemia: 1.symptoms associated with hypoglycaemia 2. measured low serum glucose 3. relief of symptoms with administration of glucose p.o. or iv Wickham's striae: Louis Frédéric Wickham: dermatology: lichen planus
Palla's sign is a clinical sign in which an enlarged right descending pulmonary artery is seen on the chest x-ray in patients with pulmonary embolism. It is of low sensitivity, and its specificity is not known. It exhibits as a "sausage" appearance on X-ray. [1] It is named after italian radiologist Antonio Palla. In 1983, he published his ...
AP chest x-rays are harder to read than PA x-rays and are therefore generally reserved for situations where it is difficult for the patient to get an ordinary chest x-ray, such as when the patient is bedridden. In this situation, mobile X-ray equipment is used to obtain a lying down chest x-ray (known as a "supine film").
Percussion is performed in a systematic matter, from the upper chest to the lower ribs, and resonance is compared between the left and right sides of the chest. This is done from the front and back of the thorax. [14] Percussion over different body tissues results in five common "notes". [14] Resonance: Loud and low pitched. Normal lung sound. [15]