…loss of function is a tendon injury that was sutured over without being found. Indications A traumatic wound that gapes and cannot be expected to…

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

…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…

…open fracture. The anatomy of the nail apparatus The terminology is hard to follow without a picture, and several of the steps below refer to…

…child without an obvious focus, and before every ear syringing. Removal of cerumen: Hearing loss, a blocked sensation, itching, earache or dizziness attributable to a…

…a nerve injury was caused by the injury or by the treatment. Indications A clinically or radiologically confirmed dislocation of the shoulder, elbow, finger, patella…

ECG Introduction to ECG interpretation QT duration and corrected QT (QTc) duration ECG interpretation always includes an assessment of the QT interval (QT duration). The…

…far enough forward that the head will extend beyond the end of the couch when laid down. 2. Turn the head 45° to the right…

…parallel to the floor and the index finger supported against the patient's nose and cheek . Open the speculum upwards–downwards, never sideways without support…

…kills because the tube would not pass, but because the team keeps trying to intubate instead of changing the plan. The aim is always oxygenation…

…a route of administration and a target range for the saturation . What usually goes wrong is not that the patient gets too little oxygen but…

…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…

…treatment, with a very low number needed to treat (NNT), indicating high effectiveness. Although BLS is primarily developed for out of hospital cardiac arrest (OHCA)…

…0.4 0.8 2.1 Table 1. Survival in out of hospital cardiac arrest due to external causes ( Kitamura et al). References DeBehnke DJ…

…the anterior axillary line. Thoracostomy This method is generally deemed safer than using a needle due to reduced risk of injury. Thoracostomy should be performed…

…DW, Wickman LL, Swart GL. The hemodynamic and arterial blood gas response to asphyxiation: a canine model of pulseless electrical activity. Resuscitation 1995; 30:16975…

…DW, Wickman LL, Swart GL. The hemodynamic and arterial blood gas response to asphyxiation: a canine model of pulseless electrical activity. Resuscitation 1995;30:16975…

…long axis. This cell architecture is referred to as a syncytium , which implies that the entire network of cells functions as one unit. If one…

…be stimulated in order to evoke an action potential. Upon stimulation, sodium (Na+) channels open which causes a rapid influx of sodium and depolarizes the…

…due to the tamponade. The increased pressure causes compression of the atria and the ventricles (particularly the former). Even small pressure elevations on the right…

…as the difference between ESV and EDV, which is equivalent to the width of the loop in Figure 1. The area within the loop is…

…and that the tubes go to the right place. In suspected bacterial meningitis it is the time to antibiotics that saves the patient — the puncture…

…valve opens. The time interval between aortic valve closure and mitral valve opening is the isovolumetric relaxation time (IVRT) . The ability of the myocardium to…