cTnT, Trop T, TnT
hs-Troponin T is a regulatory protein that helps heart muscle
contract and is released into blood when cell damage occurs. Its
use is in further investigation and risk stratification of patients
with chest pain of undiagnosed origin.
Request on ICE
Sample must be taken at least 12 hours after admission
(or after onset of clearly defined chest pain) and within 72 hours.
A decision to request Troponin T will usually be made during the
post-take ward round.
Serum in yellow top (SST) tube; lithium heparin samples are
Causes for Rejection
Not meeting specific criteria for analysis. Haemolysed
A cut-off level of 0.05 ug/L is used. Providing the sample has
been taken at the appropriate time, patients with levels below this
have undetectable cardiac damage and are identified as low