| TAVI | TAVI - Transcatheter aortic valve implantation (TAVI) devices and delivery systems - Percutaneous aortic valve replacement (PAVR), often transcatheter aortic valve implantation (TAVI) or transcatheter aortic valve replacement (TAVR), is the replacement of the aortic valve of the heart through the blood vessels (as opposed to valve replacement by open heart surgery). | |
| TNM | TNM - Classification of Malignant Tumours - The classification of cancer by anatomic disease extent, i.e. stage, is the major determinant of appropriate treatment and prognosis. Stage is an increasingly important component of cancer surveillance and cancer control and an endpoint for the evaluation of the population-based screening and early detection efforts. | |
| TN | TP | TN | TP - True-negative | True-positive - True positive = correctly identified; False positive = incorrectly identified; True negative = correctly rejected ; False negative = incorrectly rejected - see also sensitivity and specificity (weblink and video) | |
| TRD | TRD - Tongue-retaining devices - The tongue-retaining device is a customized monobloc oral appliance used in the treatment of obstructive sleep apnea syndrome (OSAS). | |