14 - Vertigo Differential Diagnosis

Differential Diagnosis of Vertigo Based on the Timeframe of Vertigo and the Presence or Absence of Hearing Loss.

Time	No Associated Hearing Loss	Hearing Loss Present
Seconds	Benign positional paroxysmal vertigo	Perilymphatic fistula Cholesteatoma
Minutes	Vertebral basilar insufficiency Migraines
Hours	Vestibulopathy	Meniere disease
Days	Vestibular neuronitis	Labyrinthitis
Weeks	Central nervous system disorders Lyme disease Multiple sclerosis	Acoustic neuroma Autoimmune processes Psychogenic

13 - Causes of bilateral facial palsy

ETIOLOGIES ASSOCIATED WITH BILATERAL FACIAL PALSIES

            ( MAY BE SIMULTANEOUS or DELAYED )

1. Guillain-Barre syndrome
2. Leukemia
3. Leprosy
4. Lime disease
5. Isoniazid
6. Infectious mononucleosis
7. Myasthenia gravis
8. Myotonic dystrophia
9. Meningitis
10. Moebius syndrome
11. Malaria
12. Periarteritis nodosa
13. Porphyrias
14. Poliomyelitis
15. Postvaccination neuropathy
16. Syphilis
17. Bell palsy
18. Basilar skull fracture
19. Bulbar palsies
20. Botulism
21. Osteopetrosis
22. Diabetes mellitus
23. Sarcoidosis ( Heerfordt syndrome )