PNEUMONIA: ETIOLOGY (CONT’D)
Elderly (cont)
- Gram neg Bact. (nsg home, LTC): esp with ETOH, DM, compromised on H2 blocker (Klebsiella, Psuedomonas, Serratia enterobact.)
- Viral (flu, RSV)
- Staph aureus
- necrotizing, with flu, 20% of nosocomial pneumonia
- MRSA - in LTC, requires Vancomycin