Table 1. Aspiration syndromes.
| Infectious inoculum | Acuity of onset | Volume | |
|---|---|---|---|
| Airway syndromes | |||
| Chronic cough | No | Chronic | Micro |
| Exacerbation of asthma/bronchospasm | No | Acute or subacute | Micro |
| Bronchiolitis obliterans in lung transplantation | No | Chronic | Micro |
| Lung parenchymal syndromes | |||
| Exacerbation of fibrotic lung disease | No | Chronic | Micro |
| Aspiration pneumonitis | No | Acute | Macro |
| Bacterial pneumonia | |||
| Community acquired | Yes | Acute | Micro |
| Hospital acquired | Yes | Acute | Variable |
| Ventilator associated | Yes | Acute | Micro |
| Aspiration pneumonia | Yes | Acute | Macro |