Cardiac Enzyme Markers

Enzyme	Conventional			SI Units
Troponin-I	0–0.1 ng/mL			0–0.1 ug/L
Troponin-T	< 0.18 ng/mL			< 0.18 ug/L
CPK	<150 U/L			<150 U/L
CPK-MB	0–5 ng/mL			0–5 ug/L
SGOT	1–36 U/L			1–36 U/L
LDH	45–90 u/L			750–1500 nmol sec_1/L
Myoglobin	Male: 10–95 ng/mL			10–95 ug/L
	Female: 10–65 ng/mL			10–65 ug/L
Progression →		Onset	Peak		Duration
Troponin-I		3–6 hrs	12–24 hrs		4–6 days
Troponin-T		3–5 hrs	24 hr		10–15 day
CPK		4–6 hrs	10–24 hr		3–4 days
CPK-MB		4–6 hrs	14–20 h		2–3 days
SGOT		12–18 hrs	12–48 hrs		3–4 days
LDH		3–6 days	3–6 days		7–10 days
Myoglobin		2–4 hrs	6–10 hrs		12–36 hrs