Dizziness is a common symptom and not a separate disease.
Classification of dizziness.
I. Vertigo
According to its etiology, it can be divided into two categories: peripheral vertigo and central vertigo.
1. Peripheral vertigo.
It refers to vertigo caused by lesions of the vagus or vestibular nerve in the inner ear. It is common in Meniere’s disease, vaginitis, drug-related vertigo (caused by streptomycin or gentamicin) and vestibular neuritis, etc.
2. Central vertigo.
It refers to vertigo caused by lesions of brainstem, cerebellum, brain and spinal cord. It is occasionally seen in posterior circulation ischemia, common in intracranial tumor, intracranial infection, multiple sclerosis, vertigo epilepsy and traumatic vertigo, etc.
Cervical vertigo: caused by cervical spondylosis
Ocular vertigo: caused by eye disease, commonly due to refractive error, fundus arteriosclerosis, hemorrhage and eye muscle paralysis, etc.
Second, dizziness
1. Cardiogenic: Commonly caused by cardiac arrhythmia, cardiac insufficiency, etc.
2, pulmonary origin: seen in various causes of pulmonary insufficiency.
3, blood pressure: high or low blood pressure can cause dizziness.
4, other: anemia, cervical spondylosis, fever, gastroenteritis, endocrine disorders and neurological disorders can cause dizziness.
Because the etiology of dizziness involves multiple disciplines, the first department should be selected according to the type of dizziness and accompanying symptoms, and other problems should be found before going to the relevant department for further examination.
The following cases should be examined in the relevant departments.
1.Sudden onset of dizziness with tinnitus and hearing loss without blood pressure changes should be seen at the Department of Otolaryngology.
2.Unexplained dizziness or vertigo with numbness of limbs and hemiparesis. Those with unfavorable speech, headache, vomiting, or convulsions should consult the neurology department.
3, Dizziness accompanied by blood pressure changes, fever, sweating should be seen in internal medicine.
4.Patients with a history of heart disease who experience dizziness with palpitations, dyspnea and blue lips should consult a cardiologist.
5, dizziness with loss of vision, mosquito sensation in front of the eyes and other symptoms, should go to the ophthalmology department.
6. Patients with dizziness accompanied by pallor or bleeding spots on the skin should be seen by the Department of Hematology.
7. Patients with dizziness closely related to neck rotation, accompanied by shoulder and neck pain, arm numbness, should go to orthopedics.