…and a warm, well perfused hand carry more weight. Choice of vessel The radial artery is the first choice : superficial, easy to compress, with a…

…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…

…low risk of pneumothorax Uncomfortable for an awake patient, harder to keep the dressing clean with a tracheostomy or copious secretions Subclavian vein Most comfortable…

…capable of both CPAP and bilevel ventilation, or alternatively flow generated CPAP with a PEEP valve. Masks in several sizes. An oronasal mask is first…

…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…

…The absence of a slit lamp — the cornea should not be instrumented without magnification. With a suspected chemical injury the priorities are reversed: irrigate first …

…Some factors vary from second to second (e.g. degree of ischemia, parasympathetic and sympathetic tone) while others take months or years to develop (e…

…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…

…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…

…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…

…and can keep a patient alive until a transvenous lead is in place — but only if it is working, and the commonest source of error…

…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…