| NG tube | Naso-Gastric tube |
|---|---|
| PE tube | Polyethylene Ventilating tube placed in the eardrum |
| SB tube | Sengstaken-Blakemore tube |
| ET | educational therapy; effective temperature; ejection time; embryo transfer; endothelin; endotoxin; e... |
| OET | oral endotracheal tube; oral esophageal tube |