Otitis Media ENT and Microbiology

Otitis media ENT and Microbiology

1. Otitis Media  By Prabhat Kumar Shantanu   4 th Semister LMCTH

2. Contents 1) Introduction 3) Pathogenesis 2) Etiology 4) Clinical Manifestation 5) Laboratory Diagnosis 6) Management & Complication

3. Otitis media (OM) is the second most common disease of childhood, after upper respiratory infection (URI) 1) Introduction  Definition  It is defined as inflammation of the middle ear.     Otitis Media 

4. Small intestine extends A Acute Otitis Media  (for <3 weeks) Chronic Otitis M edia (for >3 months) Other  Serous Otitis Media  Scretory Otitis Media  Sppurative Otitis Media  Classification of Otitis media

5. Age – Common among children due to shorter Eustachian tube  Etiology Of Otitis Media 

6. Tonsillitis Rhinitis Sinusitis Pharyngitis Infection secondary to cleft palate Trauma to the Tympanic Membrane  Head Injury  Etiology  

7. Acute Otitis Media Caused by upper respiratory tract infection causing viruses (mostly ) Rhino Virus Measles Virus  Respiratory Syncytial Virus  Influenza Virus  Parainfluenza Virus   . Chronic Otitis Media Aerobes  Pseudomonas aeruginosa  Streptococcus pneumoniae Staphylococcus aureus Hemophilus influenzae Proteus  Anaerobes Bacteroids   Peptococcus   Peptostreptococcus   Causative agent of Otitis Media

8. Lab Diagnosis  Sample Collection   Pus Swab from the discharge Needle aspirate from middle ear  

9. Lab Diagnosis  2) Microscopy Gram Staining – Shows Gram +vs & Gram – ve organism Gram + ve   Peptococcus   Peptostreotococcus   Gram Negative   Bacteroids   E. Coli Klebsiella Proteus Pseudomonas  b)  Acid Fast staining :- Mycobacterium tuberculosis 

10. Lab Diagnosis  3) Culture  Blood agar,  Chocolate agar, Mac- Conkey Agar  Sabouraud's dextrose Agar For Fungus  Robertson's Cook Meat medium for anaerobic infections  Mac- conky agar For Aerobic Medium

11. Lab Diagnosis  4) Biochemical test  Oxidase + ve = Pseudomonas Urease + ve = Proteus  Coagulase + ve = Staphylococcus aureus 

12. Fullness or heaviness in the ear Severe ear pain at night  Deafness Tinnitus (ringing or buzzing in the ear  Autophony (spoken words of Patient echo in his ears) Clinical Manifestation 

13. Otoscope

14. Management Antibiotics against Streptococcus Decongestants to releve the edema to Euestichian tube Painkillers

15. Management

16. Management

17. Management

18. Management

19. Post Test Q1 Most common organism causing Otitis media ? Q2 Most common route of infection ? Q3 What is the Typical diagnostic appearance of Tympanic Membrane? Q4 What is the indication of Myringotomy in ASOM Q5 Primary management of ASOM? (Medical or Surgical)

20. Complication of Otitis Media

21. Ear Pain and Irritation 

22. Facial Nerve Paralysis (Fascial Palsy ) Normal

23. Meningitis 

24. Deafness 

25. Brain Abscess 

26. Otitis media (OM) is the second most common disease of childhood, after upper respiratory infection (URI) 1) Introduction  Definition  It is defined as inflammation of the middle ear.     Otitis Media