- Tracheotomy
- Trachoma
- Traction
- Traditional Chinese Medicine
- Trager Psychophysical Integration
- Transcranial Doppler Ultrasonography
- Transesophageal Echocardiography
- Transfusion
- Transhepatic Biliary Catheterization
- Transient Ischemic Attack
- Transposition of the Great Arteries
- Transurethral Bladder Resection
- Transverse Myelitis
- Traumatic Amputations
- Traveler's Diarrhea
- Tremors
- Trench Fever
- Trichinosis
- Trichomoniasis
- Tricuspid Valve Insufficiency
- Tricuspid Valve Stenosis
- Trigeminal Neuralgia
- Trigger Finger
- Triglycerides Test
- Tropical Spastic Paraparesis
- Troponins Test
- Tubal Ligation
- Tube Compression of the Esophagus and Stomach
- Tube Feedings
- Tuberculin Skin Test
