Hospital-acquired pneumonia (HAP) is defined as a pneumonia not incubating at the time of hospital admission and occurring 48 hours or more after admission.
Ventilator-associated pneumonia (VAP) is defined as a pneumonia occurring greater than 48 hours after endotracheal intubation.
Gram negative bacilli
MDR Risk Factors
Pseudomonas aeruginosa Risk Factors
MRSA Risk Factors