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After Swan developed the initial balloon tip, Ganz used Fronek's idea and added a small thermistor (temperature probe) about 3 cm behind the tip. 10 ml of saline (0.9% NaCl) under 10 °C or room temperature (not as accurate) is injected into an opening in the right atrium. As this cooler fluid passes the tip thermistor, a very brief drop in the ...
Swan was born on 1 June 1922 in Sligo Ireland. His parents were both physicians, Harold John Swan and Marcella Bertile Swan née Kelly. His mother called him "Jeremy" to limit confusion and the name stuck throughout his life. Swan's early education was at Castle Rock School.
William Ganz (January 7, 1919 – November 10, 2009) was a Slovakia-born American cardiologist who co-invented the pulmonary artery catheter, often referred to as the Swan-Ganz catheter, with Jeremy Swan in 1970. [1] The catheter is used to monitor heart conditions, especially in intensive care units.
Mitral stenosis is a valvular heart disease characterized by the narrowing of the opening of the mitral valve of the heart. [1] It is almost always caused by rheumatic valvular heart disease. Normally, the mitral valve is about 5 cm 2 during diastole. Any decrease in area below 2 cm 2 causes mitral stenosis. Early diagnosis of mitral stenosis ...
In the Völundarkviða, Wayland Smith and his brothers marry valkyries who dress in swan skins.. The "swan maiden" story is a name in folkloristics used to refer to three kinds of stories: those where one of the characters is a bird-maiden, in which she can appear either as a bird or as a woman; those in which one of the elements of the narrative is the theft of the feather-robe belonging to a ...
For experienced clinicians, the incidence of pneumothorax is about 1.5–3.1%. The National Institute for Health and Care Excellence (UK) and other medical organizations recommend the routine use of ultrasonography to minimize complications. [5] If a pneumothorax is suspected, an upright chest x-ray should be obtained. An upright chest x-ray is ...
Sometimes, a Swan-Ganz catheter causes rupture of the pulmonary artery, causing a massive hemothorax. [6] It can also be caused by other procedures like pleural , lung , or transbronchial biopsies, CPR , [ 9 ] Nuss procedure , [ 10 ] or endoscopic treatment of esophageal varices . [ 9 ]
The average egg size (for the mute swan) is 113 × 74 mm (4 + 1 ⁄ 2 x 3 in), weighing 340 g (12 oz), in a clutch size of 4 to 7, and an incubation period of 34–45 days. [27] Swans are highly protective of their nests.