…myocardial ischaemia or syncope — that has not responded to atropine: Complete heart block (third degree AV block) and second degree AV block Mobitz type 2…

…Choice of vessel The radial artery is the first choice : superficial, easy to compress, with a dual collateral supply to the hand through the palmar…

…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…

…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…

…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…

…different position or a different vessel. Choice of site Vessel Advantages Disadvantages : : : Internal jugular vein (right) Best ultrasound conditions, a straight course to the superior…

…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…

…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…

…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…