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Foreign body in the ear and nose

…hydroxide ions are generated at the negative pole of the battery and produce a liquefactive necrosis that can reach the septal cartilage within a few…

Arterial line

…as part of fluid management. Contraindications Infection, burn or trauma over the insertion site. Insufficient collateral circulation to the hand. Vascular disease in the limb:…

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…

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…

Pleural aspiration and chest drain

…is inserted close to the upper border of the rib, never at the lower border where the neurovascular bundle lies, and the drainage is stopped…

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…

CPAP and non-invasive ventilation (NIV)

…facial burns or recent facial surgery that make a seal impossible. Recent surgery on the oesophagus or upper gastrointestinal tract, ileus and ongoing upper gastrointestinal…

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…

Congenital heart disease & GUCH (Grown Up Congenital Heart disease)

…and half of them have moderate or complicated defects; the remaining third have mild defects ( Baumgartner et al ). Approximately 40,000 children are born with…

Eye examination and corneal foreign body

…foreign body under the upper eyelid. 7. Seidel's sign: apply fluorescein generously and look under blue light. A dark stream of aqueous humour breaking…

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