Table 1.
CDC National Healthcare Safety Network 54 | American Thoracic Society and Infectious Disease Society of America2 | |
---|---|---|
Timeline | Pneumonia in persons who had a device to assist or control respiration continuously through a tracheostomy or by endotracheal intubation within the 48-hour period before the onset of infection, inclusive of the weaning period | Pneumonia that occurs more than 48- 72 hours after intubation |
Clinical signs | Change in pulmonary secretions or impaired gas exchange and systemic signs of infection | Change in pulmonary secretions or impaired gas exchange and systemic signs of infection |
Radiographic evidence | New or progressive opacities | New or progressive opacities |
Microbiologic evidence | None required | None required |