12 träffar

ArticleCPR
Causes of sudden cardiac arrest

…These factors interact and vary over time. Some factors vary from second to second (e.g. degree of ischemia, parasympathetic and sympathetic tone) while others…

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Transcutaneous and transvenous pacing

…dependent torsades de pointes. Standby pacing — pads applied but the device not switched on — in second degree AV block Mobitz type 2, newly discovered complete…

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Arterial line

…3. Puncture 1–2 cm proximal to the wrist crease at an angle of 30–45 degrees , directed proximally along the course of the artery…

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Eye examination and corneal foreign body

…the visual acuity before anything else is done. The second most important is to look for signs of perforation — Seidel's sign, an irregular pupil…

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Peripheral venous cannula and intraosseous access

…Infection or burns over the puncture site. Osteogenesis imperfecta and severe osteoporosis (relative). An inability to identify the landmarks. Choice of vein and cannula size…

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Foreign body in the ear and nose

…urgency varies: Object Urgency : : Button battery Immediately — leakage of fluid causes a chemical burn Two or more magnets (including in different nostrils) Immediately — pressure necrosis…

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Central venous catheter

…dialysis catheter, not an ordinary triple lumen catheter). Measurement of central venous pressure and central venous oxygen saturation. Repeated blood sampling during intensive care. Exhausted…

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Pleural aspiration and chest drain

…Relative Skin infection, herpes zoster or burns over the puncture site Relative Mechanical ventilation with a high PEEP (an increased risk of pneumothorax; ultrasound guidance…

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CPAP and non-invasive ventilation (NIV)

…level of consciousness not attributable to hypercapnia, marked swallowing difficulty, vomiting. Haemodynamic instability or a life threatening arrhythmia. Undrained pneumothorax. Facial trauma, facial burns or…

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Skin biopsy — punch, shave and excision

…report. A shave biopsy of a pigmented lesion that turns out to be a melanoma can make the Breslow thickness unmeasurable and staging therefore impossible…

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Casting and immobilisation

…saw, protective sheeting Hot water gives faster setting and more heat production — a risk of burns Document the distal neurovascular status before casting : sensation, motor…