| TRDN | transient respiratory distress of the newborn |
|---|---|
| TSH | thyroid-stimulating hormone; transient synovitis of the hip |
| TTD | temporary total disability; tissue tolerance dose; transient tic disorder; transverse thoracic diame... |
| TTN | titin; transient tachypnea of the newborn |
| TVSS | transient voltage surge suppressor |