knee-jerk reaction. Fig. an automatic or reflex reaction; an immediate reaction made without examining causes or facts. With one of his typical knee-jerk reactions, he said no immediately, citing some moral argument that no one understood. See also: reaction.
What did you see when the patients head was rolled to the opposite side? In horizontal canal BPPV, you should have seen a direction change. When the horizontal nystagmus is geotropic, the BPPV is suspected to be canalithiasis, occurring on the side with the more intense nystagmus.
The subtropics are geographic and climate zones located roughly between the tropics at latitude 23.5Â° and temperate zones north and south of the Equator. Subtropical climates are often characterized by warm to hot summers and cool to mild winters with infrequent frost. Most subtropical climates fall into two basic types - humid subtropical, where rainfall is often concentrated in the warmest months and dry summer, where seasonal rainfall is concentrated in the cooler months. Subtropical ...