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The Sims position, or left lateral Sims position, named after the gynaecologist J. Marion Sims, is usually used for rectal examination, treatments, enemas, and examining patients for vaginal wall prolapse. [1] [2] The Sims Position is described as in the person lying on the left side, left hip and lower extremity straight, and right hip and ...
Ultrasound image showing the liver, gallbladder and common bile duct. Medical ultrasound uses high frequency broadband sound waves in the megahertz range that are reflected by tissue to varying degrees to produce (up to 3D) images. This is commonly associated with imaging the fetus in pregnant women. Uses of ultrasound are much broader, however.
The standard abdominal X-ray protocol is usually a single anteroposterior projection in supine position. [3] Special projections include a PA prone, lateral decubitus, upright AP, and lateral cross-table (with the patient supine).
With rotating envelope tubes, the entire vacuum tube rotates with respect to the anode axis, versus rotating anode tubes, in which the target disk rotates inside a stationary vacuum tube. The target cools by conduction rather than radiation. Heat storage is less important, and waiting times are eliminated. [1]
Radiography is an imaging technique using X-rays, gamma rays, or similar ionizing radiation and non-ionizing radiation to view the internal form of an object.Applications of radiography include medical ("diagnostic" radiography and "therapeutic radiography") and industrial radiography.
The rectouterine pouch, being the lowest part of the peritoneal cavity in a woman at supine position, is a common site for the spread of pathology such as ascites, tumour, endometriosis, pus, etc. As it is the furthest point of the abdominopelvic cavity in women, it is a site where infection and fluids typically collect.
Images are typically retrieved via wireless data transfer to an external receiver. [27] Augmented reality. The endoscopic images can be combined with other image sources to provide the surgeon with additional information. For instance, the position of an anatomical structure or tumor might be shown in the endoscopic video. [28] Image enhancement
Solid-anode microfocus X-ray tubes are in principle very similar to the Coolidge tube, but with the important distinction that care has been taken to be able to focus the electron beam into a very small spot on the anode. Many microfocus X-ray sources operate with focus spots in the range 5-20 μm, but in the extreme cases spots smaller than 1 ...