…dizziness attributable to a wax plug. The tympanic membrane cannot be inspected and the examination is needed for the diagnosis. Before audiometry or the fitting…

Procedurer Children around the age of three account for the majority of cases, and the great majority of objects can be removed in general practice…

…duration (measured in milliseconds). The amplitude and duration of the pulse must be optimized to ensure depolarization while minimizing battery consumption. Amplitudes are normally below…

ECG Principles of myocardial excitability Myocardium is excitable not only by action potentials originating in the sinus node, but also by external electrical stimuli that…

…provoke ventricular tachycardia or ventricular fibrillation. The likelihood of clinically significant EMI is generally low, particularly with bipolar electrocautery performed away from the device and…