Articles & courses

Articles
Foreign body in the ear and nose

…a cerumen loop. Suction with Frazier tips of various sizes. A balloon catheter (a 5–6 Fr Fogarty or a Katz extractor). A local anaesthetic…

Pulmonary regurgitation

…suggestive of severe regurgitation; the leakage usually ends early in diastole, which is evident by the spectral curve reaching the baseline before the end of…

Urinary catheterisation

…way catheter). Instillation therapy and contrast studies of the urinary tract. Wound healing with a sacral pressure sore or extensive perineal wounds where urinary leakage…

Abdominal Aortic Aneurysm: Screening and Surveillance

…use of sex specific surveillance and repair thresholds. Clinical Presentation and Symptoms Most AAAs are asymptomatic and are identified either during routine abdominal examination or…

Cardiac electrophysiology: Action potential, automaticity and vectors

…repolarization. The cycle then repeats itself ( Figure 1 ). Note that the leakage of sodium during the resting phase is called pacemaker potential . Figure 1. The…

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