Cardiac Biomarkers Flashcards
1
Q
——— are specific markers of myocardial infarction
A
Troponin
2
Q
Troponin I has 3 isoforms
A
Slow Moving
Fast moving
Cardiac isoform
3
Q
The cardiac isoform of cTnT and cTnI are
A
95% myofibrils
5% cytoplasm
4
Q
Troponin I is released into blood —-hrs after myocardial ischémie peaks at ——- hrs and remains elevated for —— days
A
4hrs
14-24hrs
7-10 days
5
Q
The initial increase is due to liberation of ——— and sustained elevation is due to release from
A
Cytoplasmic fraction
Release from myofibrils
