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2016
Charles Hallpike decided that greater precision could be obtained with the caloric test by measurement of one or more attributes of the responses to some suitably graded stimulus. He chose to measure the duration of induced nystagmus. Hallpike chose water at 30°C and 44°C (7°C below and above body temperature, respectively) and allowed it to flow for ...
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Charles Hallpike decided that greater precision could be obtained with the caloric test by measurement of one or more attributes of the responses to some suitably graded stimulus. He chose to measure the duration of induced nystagmus. Hallpike chose water at 30°C and 44°C (7°C below and above body temperature, respectively) and allowed it to flow for ...
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Simplification of Clinical Caloric Test
Archives of Otolaryngology - Head and Neck Surgery, 1965THE FACT that thermic stimuli, when applied to the external auditory canal, could induce labyrinthine nystagmus was known by Brown-Sequard3as early as 1860, and Bornhardt2was the first to apply this knowledge experimentally by inducing caloric stimulation of the semicircular canals of pigeons.
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Caloric Tests on Platform: “Paradoxical Responsiveness”
Acta Oto-Laryngologica, 1995This paper deals with the abnormal responsiveness of the paradoxical stabilizing type (SR) occurring after caloric tests (CALT) performed on a passive force platform. The normal response after CALT (cold/warm, monaurally performed) consists of transient ataxia and body sway towards the side of the nystagmic slow phase induced by a similar CALT ...
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Caloric testing with small temperature gradients. Caloric zero.
ORL; journal for oto-rhino-laryngology and its related specialties, 1984Caloric nystagmus was investigated in 50 normal subjects with stimulation of the temperatures 30, 33, 35, 39, 41, and 44 degrees C. Mean values of the duration and the eye speed of the slow phase of adjacent temperatures were significantly different. No difference could be demonstrated between the equidistant temperatures 30/44 and 35/41 degrees C, but
S, Vesterhauge +3 more
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[Air caloric test: as useful as the water caloric test (author's transl)].
Laryngologie, Rhinologie, Otologie, 1979Twenty normal probands were examined by us with air (60 sec, 121/min, 45 degrees/29 degrees C) and 25 with water (30 sec, 30 cm3, 44 degrees/30 degrees C) caloric test. Additionally we evaluated the influence of flow rate and tip position on the temperature near the tympanic membrane during the irrigation, using a polyacryl copy of the external ...
W H, Zangemeister, O, Bock
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