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S

STEMI

STEMI is ST-elevation MI


STI

STI is a sexually-transmitted infection (also termed STD, sexually-transmitted disease).

STIs are passed through unprotected sex or genital contact.


SVC

The superior vena cava (SVC) is a large valveless vein that returns deoxygenated blood from the upper body to the right atrium of the heart.

Radiopaedia - SVC

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SVT

Supraventricular tachycardia (SVT) is an abnormally fast heart rhythm due to aberrant electrical activity in the upper heart (arising in the atria or atrioventricular node).

There are four main types: AF, paroxysmal SVT, atrial flutter, and Wolff–Parkinson–White syndrome.

Patient.info - SVT in adults


T

T&MC

The Trainees and Members’ Committee (T&MC) is a representative Committee of elected Trainees and Members of the College (RCPE). The Committee provides support for trainees and to ensure that the views of trainees are represented in all College discussions and to represent trainees in our external discussions, such as within the Joint Royal Colleges of Physicians Training Board (JRCPTB).

T&MC committee member information


T1DM

Type 1 diabetes mellitus (T1DM) is caused by absolute insulin deficiency due to destruction (most commonly autoimmune destruction) of pancreatic beta-cells.

NICE CKS - T1DM


T2DM

Type 2 diabetes mellitus (T2DM) is caused by insulin resistance and a relative insulin deficiency.

NICE CKS - T2DM


T3

Tri-iodothyronine (T3) is active thyroid hormone, and regulates the body's metabolism.


T4

Thyroxine (T4) is a prohormone, converted to active T3 by peripheral deiodination.

T4 is the transported in the blood from the thyroid; the majority is protein-bound. Free and total (free and bound) T4 is measured in TFTs.


TB

Tuberculosis (TB) is an infection caused by Mycobacterium tuberculosis, and typically affects the lungs (pulmonary TB) but can also affect other organs and sites (extrapulmonary TB), such as the meninges, lymph nodes and bones/joints.

TB infection can be 'active' (symptomatic and transmissible) or 'latent' (asymptomatic and non-transmissible).

NICE CKS - TB



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