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Types, Causes, Signs And How To Diagonise Dizziness -Doctor Micheal

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One of the most prevalent symptoms is dizziness, which prompts people to seek medical attention. While most of these individuals may not have a life-threatening ailment, the symptom is what scares them the most. All of these individuals feel as if they're in an unbalanced position in relation to their surroundings. Visual and cerebellar inputs to the brain are necessary for normal spatial balance, which is a multimodal function. It can be disrupted in one of two ways: directly or indirectly.

How do I know that I have dizziness?

Several terms may be used by patients to describe their feeling of imbalance. These include;

  1. Dizziness
  2. Giddiness
  3. Whirling
  4. Rotation
  5. Spinning
  6. Lightheadedness
  7. Shaking
  8. Swaying
  9. Wobbling
  10. Instability
  11. Unsteadiness
  12. Vertigo.


Types, Causes, Signs And How To Diagnose Dizziness 

What are the types of dizziness?

The most useful clinical subdivision is to categorize these symptoms into:

i. True vertigo.

ii. Pseudo vertigo.

True vertigo denotes a sense of rotation in one direction, which may be “subjective” when the subject feels he is rotating in his environment or “objective” when he feels the objects in his environment are rotating around him.

Pseudovertigo, which is much more common than true vertigo, encompasses all sensations of disequilibrium, other than true vertigo.


What Causes Dizziness?

True vertigo is due to primary neurological causes such as dysfunction of vestibular end-organ (labyrinth), vestibular division of eighth cranial nerve, vestibular nuclei in the brainstem, and their connections, flocculonodular lobe of the cerebellum, and very rarely cerebral hemisphere.


Often pseudovertigo may be due to non-neurological causes. In true vertigo, in addition to the feeling of rotation, other symptoms may coexist. These include impulsion, i.e. a feeling of being pulled to the ground or to one side; tinnitus, deafness, diplopia, or other focal neurological deficits. True vertigo occurs as a single episode or recurrent stereotyped attacks of definite duration. Pseudovertigo occurs either as momentary attacks or as a very prolonged sensation lasting for hours or even days.

When confronted with a patient having vertigo or dizziness or some other similar complaint, enquire into the following:


1. Is it true vertigo or pseudovertigo?

2. Is it paroxysmal or persistent?

3. Is it associated with symptoms like nausea, vomiting, tinnitus, deafness, diplopia, or any other symptom?

4. Positional factors: Whether vertigo occurs during head movements or only in certain positions of the head or during change of posture, etc.

5. Precipitating factors: For example, exercise, food intake, salt intake, stress, and others.

6. Exacerbating factors: For example, noise, straining, coughing, exercise and others.

7. Alleviating factors: Change of head position or body posture.

8. Drug history: For example, aminoglycoside antibiotics, anticonvulsants especially diphenylhydantoin, antihypertensive drugs, salicylates, etc.

9. Past medial history: Head injury, ear infection or trauma, antecedent upper respiratory

infection, diabetes, psychiatric illness, and others.

10. Family history: Particularly for familial deafness, intracranial tumors and neurofibromatosis.

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