Page 123 - Practical Handout bio 2 mnu 2025_Neat

Level two – Semester 4 - PharmD Biochemistry-II PB-403 (Practical course) 2024/2025

2. Electrocardiographic findings (ECG changes).

3. Coronary angiography.

4. Its diagnosis is confirmed by the characteristic
changes in plasma enzyme activities or troponin
levels.

Cardiac Function Markers

The cardiac markers leak out of injured myocardial cells through the

damaged cell membranes into the bloodstream.

Time After Duration of
Reference
Cardiac Marker Infarction: 1 Elevation
st
Range
Elevation (hr) (days)

<170
Myoglobin 2-3 1
ng/mL

Creatine
kinase MB <10 ng/mL 4-6 2-3

(CKMB)

Cardiac
<0.07
troponin I
ng/mL
(cTnI)
4-6 7-10
Cardiac
< 0.1
troponin T ng/mL
(cTnT)

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