…are as a rule left open. Facial bites can be sutured after careful debridement because of the cosmesis, often with antibiotic prophylaxis. Deep puncture wounds …

…Clinical suspicion of a scaphoid fracture despite a normal radiograph. Contraindications An open fracture or a wound that needs to be inspected — use a windowed…

…lacerations, gunshot wounds) Asthmatic episodes Iatrogenic events (e.g., during central venous catheter insertion) Underlying lung pathologies In cases of benign pneumothorax, positive pressure ventilation…

…larynx. The difficult airway rarely kills because the tube would not pass, but because the team keeps trying to intubate instead of changing the plan…

ECG Video lecture: Assessment of the QT interval (QTc interval) Corrected QT interval (QTc) calculator Open the calculator →

…a bloodless field one works by feel, and by feel nail spicules are left behind — which is the commonest cause of recurrence. Indications Condition Procedure : …

…open (a mastoid cavity, mastoidectomy). An only hearing ear. Relative (choose a manual technique or refer to ENT): Condition Reason : : Diabetes, immunosuppression A risk of…

…a high risk of avascular necrosis of the femoral head and of vascular injury; always an orthopaedic surgeon, and usually general anaesthesia. An open dislocation…

…Open the calculator → Normal values for QTc interval Bazett's formula is several decades old and has been questioned because it performs poorly at…

…reversal of the nystagmus is common. 6. Repeat on the left side. A positive test in the posterior canal is characterised by: A latency of…

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

…lower part of the target range. Paraquat poisoning — oxygen worsens the lung injury. Discuss with your national or regional poison control centre. An open flame…

…is suspicion of cervical spine injury, in which scenario head tilt chin lift should only be used if other methods fail to open the airway…

…indicating high effectiveness. Although BLS is primarily developed for out of hospital cardiac arrest (OHCA), it can be used in any setting until advanced cardiac…

…based study. BMJ Open 2014;4:e006462. Deasy C, Bray J, Smith K, et al. Hanging associated out of hospital cardiac arrests in Melbourne, Australia…

…based study. BMJ Open 2014; 4:E006462. Deasy C, Bray J, Smith K, et al. Hanging Associated out of hospital cardiac arrests in Melbourne, Australia…

…based study. BMJ Open 2014;4:e006462. Deasy C, Bray J, Smith K, et al. Hanging associated out of hospital cardiac arrests in Melbourne, Australia…

ECG Introduction to ECG interpretation Principles of cardiac electrophysiology and electrocardiography (ECG) To ensure effective cardiac pumping function, the atria and the ventricles must be…

…K + ) channels open which results in cell repolarization. The cycle then repeats itself ( Figure 1 ). Note that the leakage of sodium during the resting phase…

…based study. BMJ Open 2014; 4:E006462. Deasy C, Bray J, Smith K, et al. Hanging Associated out of hospital cardiac arrests in Melbourne, Australia…

…1 and 2). When the ventricular pressure is less than the left atrial pressure, the mitral valve opens and the cycle is repeated. Stroke volume …

…the threshold, but the threshold varies between regions. Infection of the skin over the puncture site. Marked haemodynamic instability — stabilise the patient first. CT before…

…and echocardiographic assessment The importance of systolic function can be understood on an intuitive basis. Consider the fact that the left ventricle contracts and ejects…