Table 1 Short description of drowning stages, according to Szpilman classification (Szpilman et al., 1997 and 2012)
| Stage | Symptomatology |
|---|---|
| 0 (rescue) | None |
| 1 | Cough, normal pulmonary auscultation |
| 2 | Cough, rales in some pulmonary fields |
| 3 | Acute pulmonary edema with normal blood pressure |
| 4 | Acute pulmonary edema, hypotension or shock |
| 5 | Respiratory arrest and/or coma |
| 6 | Cardiac arrest |