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J Korean Soc Emerg Med > Volume 12(3); 2001 > Article
Journal of The Korean Society of Emergency Medicine 2001;12(3): 259-267.
Clinical Analysis of the Origins of Dizziness in Patients
Weon Sik Moon, Kyung Un Jeong, Jun Seon Wee, Jeong Mi Moon, Byung Jo Jeon, Yong Kweon Kim, Jeong Il So, Jin Ho Ryoo, Tag Heo, Yong Il Min
Department of Emergency Medicine, School of Medicine, Chonnam National University, Kwangju, Korea. yspectro@hitel.net
BACKGROUND: Recently, The number of patients who have been complaining of the vertigo or dizziness has been increasing due to rapid growth of elderly population and senile disease. The differentiation of dizzy patients is not familiar to most emergency physicians. This study was designed to differentiate true vertigo and to investigate the clinical difference among central vertigo, peripheral vertigo, and other causes of dizziness.
The authors analyzed the cases of 237 dizzy patients who visited the emergency department of Chonnam University Hospital during the recent 2 years. For the base of dizziness, associated past illnesses, severity, nystagmus type, and the causes of central and peripheral vertigo.
Female patients were 142(59.9%) and male patients were 95(40.1%). The most common age group was the 6th decade. The origin of dizziness was classified as peripheral cause(25.3%), central cause(32.9%), and others(41.8%). As to nature of the dizziness, the rotatory sense was dominant in peripheral vertigo and the floating sense and blurred vision in central vertigo. Peripheral vertigo was triggered by position change of head and body, and central vertigo by the eye movement. Audiograms I showed that most patients with central vertigo had normal hearing, but 46.7% of thoswith peripheral vertigo had an abnormal hearing disturbance. Nystagmus was more prevalent in peripheral vertigo
History taking and physical examination played an important role in the diagnosis of dizzy patients. An important part of the diagnosis of a dizzy patient could be to evaluate the peripheral origin, the central origin and others causes. Because central vertigo may be associated with a significant neurological pathology, special radiological studies, including MRI and CT, are mandatory to rule out a devastating brain lesion.
Key words: Vertigo, Dizziness
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