Search results
Results from the WOW.Com Content Network
Some people will report having an upper respiratory infection (common cold) or flu prior to the onset of the symptoms of vestibular neuritis; others will have no viral symptoms prior to the vertigo attack. Some cases of vestibular neuritis are thought to be caused by an infection of the vestibular ganglion by the herpes simplex type 1 virus. [8]
In Ménière's disease there is often ringing in the ears, hearing loss, and the attacks of vertigo last more than twenty minutes. [9] In vestibular neuritis the onset of vertigo is sudden, and the nystagmus occurs even when the person has not been moving. [9] In this condition vertigo can last for days. [2]
Alexander's law refers to gaze-evoked nystagmus that occurs after an acute unilateral vestibular loss. It was first described in 1912 and has three elements to explain how the vestibulo-ocular reflex responds to an acute vestibular insult. The first element says that spontaneous nystagmus after an acute vestibular impairment has the fast phase ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Problems with balance can occur when there is a disruption in any of the vestibular, visual, or proprioceptive systems. Abnormalities in balance function may indicate a wide range of pathologies from causes like inner ear disorders, low blood pressure, brain tumors, and brain injury including stroke.
Some viral videos involved more than one animal, like one the USA TODAY Network obtained in June showing a fearless bear fighting off two alligators in a Florida river.
Many dog breeds were developed for aggressive tasks like hunting and guarding property – and they are the dogs most likely to cause harm or death. Learn which breeds are more likely to bite in ...
Symptoms in dogs include acute arthritis, anorexia and lethargy. There is no rash as is typically seen in humans. [11] Ehrlichiosis is a disease caused by Ehrlichia canis and spread by the brown dog tick, Rhipicephalus sanguineus. Signs include fever, vasculitis, and low blood counts. [6]