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A ventilation/perfusion lung scan, also called a V/Q lung scan, or ventilation/perfusion scintigraphy, is a type of medical imaging using scintigraphy and medical isotopes to evaluate the circulation of air and blood within a patient's lungs, [1] [2] in order to determine the ventilation/perfusion ratio.
A video plankton recorder (VPR) is towed underwater video microscope system, which photographs small to fine-scale structure of plankton, from 50 micrometers and up to a few centimeters in size. [ 1 ] [ 2 ] A VPR consists of five general components: cameras (with magnifying optics [ 3 ] ), strobe, additive sensor and flight control, underwater ...
Titled Plankton: The Movie, the film would feature Plankton as its lead character. [21] The series' regular voice cast of Mr. Lawrence, the voice of Plankton, Jill Talley, Tom Kenny, Bill Fagerbakke, Carolyn Lawrence, Clancy Brown, and Rodger Bumpass were confirmed to reprise their roles. [21]
Plankton: The Movie is an upcoming American animated musical comedy film based on the television series SpongeBob SquarePants, created by Stephen Hillenburg. It is directed by Dave Needham and written by Kaz , Chris Viscardi , and Mr. Lawrence , based on a story by Lawrence.
Cat memes are among the most common forms of casual humor on the app, as many Americans learned when they were asked by Chinese users to pay a “cat tax” by sharing photos of their cats upon ...
The sign is an imaging finding using a 3.5–7.5 MHz ultrasound probe in the fourth and fifth intercostal spaces in the anterior clavicular line using the M-Mode of the machine. This finding is seen in the M-mode tracing as pleura and lung being indistinguishable as linear hyperechogenic lines and is fairly reliable for diagnosis of a pneumothorax.
The double bronchial wall sign is best visualized on CT, which provides high-resolution images of the mediastinal structures. The double bronchial wall sign is commonly seen in the central bronchi, particularly in the trachea or mainstem bronchi, where air is more likely to outline the structures.
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.