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The 99th percentile cutoff for cardiac troponin T (cTnT) is 0.01 ng/mL. [5] The reference range for the high sensitivity troponin T is a normal < 14 ng/L, borderline of 14-52 ng/L, and elevated of >52 ng/L. [6]
Strenuous endurance exercise such as marathons or triathlons can lead to increased troponin levels in up to one-third of subjects, but it is not linked to adverse health effects in these competitors. [27] [28] [29] High troponin T levels have also been reported in patients with inflammatory muscle diseases such as polymyositis or dermatomyositis.
Troponin I is a biomarker that responds to treatment interventions. Reductions in troponin I levels proved to reduce the risk of future CVD. [23] [24] [25] High sensitive troponin I used as a screening tool to assess a person's cardiovascular risk and has the potential to reduce the growing cost burden of the healthcare system. [26]
Test Sensitivity and specificity Approximate peak Description Troponin test: The most sensitive and specific test for myocardial damage. Because it has increased specificity compared with CK-MB, troponin is composed of 3 proteins- Troponin C, Cardic troponin I, and Cardiac troponin T. Troponin I especially has a high affinity for myocardial injury.
Cardiac troponin T (low sensitive) 0.1 [7] ng/mL: 99th percentile cutoff: Cardiac troponin I (high sensitive) 0.03 [7] ng/mL 99th percentile cutoff: Cardiac troponin T (high sensitive) Male 0.022 [7] ng/mL 99th percentile cutoff: Female 0.014 [7] ng/mL 99th percentile cutoff: newborn/infants not established more than adults [60] [61]
The carryover ratio's acceptance criteria depend on the measurement and the laboratory concerned. For example, 1% carryover of plasma albumin would generally lead to a clinically insignificant effect, while 1% carryover of cardiac High sensitivity Troponin assay would be catastrophic.
Type IV hypersensitivity reactions are, to some extent, normal physiological events that help fight infections, and dysfunction in this system can predispose to multiple opportunistic infections. Adverse events can also occur due to these reactions when an undesirable interaction between the immune system and an allergen happens. [9]
21925 Ensembl ENSG00000101470 ENSMUSG00000017300 UniProt P02585 P20801 RefSeq (mRNA) NM_003279 NM_009394 RefSeq (protein) NP_003270 NP_033420 Location (UCSC) Chr 20: 45.82 – 45.83 Mb Chr 2: 164.62 – 164.62 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Troponin C, skeletal muscle is a protein that in humans is encoded by the TNNC2 gene. Troponin (Tn), is a key protein complex in ...