Bacterial Meningitis

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Etiology (cont.) • Neonates: Group B Streptococci, Escheridia coli, Listeria monocytogenes • Infants: Neissera meningitidis, Haemophilus influenzae, Streptococcus pneumoniae • Children: N. meningitidis, S. pneumoniae • Adults: S. pneumoniae, N. meningitidis, Mycobacteria, Cryptococci
Pathogenesis • Bacteria extend through the wall of blood vessels into the subarachnoid space followed more slowly by neutrophils as the blood brain barrier breaks down. • The combination of bacteria and neutrophils in the subarachnoid space irritates the underlying cerebral cortex causing edema and increased intracranial pressure. • If the meningitis is not treated neutrophils are followed by lymphocytes and macrophages which with the bacteria, cause irritation and degeneration of cranial nerves, production of intimal fibrosis in arteries and fibrosis of the leptomeninges which can lead to cortical infarcts and blockage of the foramina of Lushcka and Magendie with hydrocephalus.
Page 1 and 2: Dr. Sudheer Kher
Page 3 and 4: Clinical Features • Temperature w
Page 5 and 6: Laboratory Findings • CSF fluid w
Page 7 and 8: Types of meningitis • Aseptic men
Page 9 and 10: Epidemiology • SOURCE & RESERVOIR
Page 11: Etiology • Bacterial meningitis i
Page 15 and 16: General Gross Description • The b
Page 18 and 19: Symptoms • Sudden high fever : Th
Page 20 and 21: Glass Test • Press the side of th
Page 23 and 24: Diagnosis WHEN TO CALL THE DOCTOR:
Page 25 and 26: Diagnosis (cont.) BRUDZINSKI SIGN:
Page 27 and 28: Diagnosis - CT Scan
Page 29 and 30: CONDITION GLUCOSE PROTEIN CELLS Bac
Page 31 and 32: Diagnosis (cont.) • METHODS FOR D
Page 33 and 34: Diagnosis (cont.) • METHODS FOR D
Page 35 and 36: Complications • Waterhouse-Frider
Page 37 and 38: Treatment (cont.) • Some patients
Page 39 and 40: Haemophilus influenzae Third-genera
Page 41 and 42: Prevention • Cases of bacterial m
Page 43 and 44: Prevention (cont.) IMMUNIZATION:
Page 45 and 46: Prevention (cont.) CHEMOPROPHYLAXIS
Page 47 and 48: Tuberculous meningitis (cont.) EPID
Page 49 and 50: Tuberculous meningitis (cont.) SYMT
Page 51 and 52: Tuberculous meningitis (cont.) TREA
Page 53 and 54: Prognosis of TB meningitis • Fata
Page 55 and 56: Bibliography • http://www.cdc.gov

Bacterial Meningitis

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