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[1] [2] The presence of the steeple sign supports a diagnosis of croup, usually caused by paramyxoviruses. [3] It can also be defined as the replacement of the usual squared-shoulder appearance of the subglottic area by cone-shaped narrowing just distal to the vocal cords. This is called the steeple or pencil-point sign.
Croup (/ k r uː p / KROOP), also known as croupy cough, is a type of respiratory infection that is usually caused by a virus. [2] The infection leads to swelling inside the trachea, which interferes with normal breathing and produces the classic symptoms of "barking/brassy" cough, inspiratory stridor and a hoarse voice. [2]
Jacob deGrom had reconstructive surgery to repair a torn ulnar collateral ligament in his right elbow Monday, and Texas Rangers manager Bruce Bochy said the procedure went well. The typical ...
Ulnar collateral ligament reconstruction, colloquially known as Tommy John surgery, is a surgical graft procedure where the ulnar collateral ligament in the medial elbow is replaced with either a tendon from elsewhere in the patient's body, or with one from a deceased donor.
X-ray The first X-ray, taken by its inventor, featured his wife's hand and ring. [s 2] [s 3] [s 4] Shroud of Turin negative: 1898 Secondo Pia: Turin, Italy Negative: Photographic negative of an ancient cloth relic shows details of a scourged and crucified human body [s 2] Organ Player and Singing Girl: 1898 Eugène Atget: Paris, France Gelatin ...
In many cases, the production of these images is based on the mathematical procedure tomographic reconstruction, such as X-ray computed tomography technically being produced from multiple projectional radiographs. Many different reconstruction algorithms exist.
Because intra-articular fractures cause a joint effusion, the dorsal fat pad sign is a reliable parameter for diagnosis of elbow fractures. [17] If a joint effusion is depicted in the ultrasound, two-plane X-ray imagery is necessary to diagnose the fracture. The standard procedure is the elbow-SAFE algorithm. [18]