Nosocomial Pneumonia Diagnosis is difficult, as 40 – 50% of ICU patients with fever and new onset pulmonary infiltrates do not have pneumonia [Chest 101: 1005, 1992; Chest 106: 221, 1994]. Note that nosocomial pneumonias are often polymicrobial, thus the values in the table below exceed 100%. Microbial Origin of Pneumonia Microbial Origin of Pneumonia […]