Hamid, Mohamed <br/><br/>
More than a 50% canal paresis is needed for the head impulse test to be positive.  [electronic resource] 

 -  Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology  Mar 2005 
 - 318-9 p.  digital 
<br/><br/> Publication Type: Comment; Letter 
<br/><br/><label>ISSN: </label>1531-7129 
<br/><br/><label>Standard No.: </label>10.1097/00129492-200503000-00042  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Caloric Tests<br/>Ear Canal--physiopathology<br/>Head Movements--physiology<br/>Humans<br/>Malleus--surgery<br/>Meniere Disease--diagnosis<br/>Ossicular Prosthesis<br/>Paralysis--diagnosis<br/>Predictive Value of Tests<br/>Sensitivity and Specificity<br/>Vestibular Function Tests--statistics & numerical data