…an angle of 30–45 degrees , directed proximally along the course of the artery. 4. When pulsatile blood appears in the hub: lower the angle…

…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…

…no risk of pneumothorax Highest risk of thrombosis and contamination, immobilises the patient The right internal jugular vein is the first choice in most situations…

…that does the work of ventilation — raising IPAP and EPAP by the same amount does not increase ventilation at all . The backup rate is usually…

…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…

…earlier era. The needle is inserted close to the upper border of the rib, never at the lower border where the neurovascular bundle lies, and…

…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…