…force. The methods that work best exploit time, gravity and slow movement; those that fail usually do so because the patient tenses up with pain…

…but only if the examiner is trained. Brief attacks triggered by the position of the head relative to gravity: perform Dix Hallpike and, if needed…

…children 24 G Yellow 15–20 mL/min Neonates and small children The flows apply to water by gravity according to the manufacturers' standard measurements…