Cardiac Markers

Cardiac Markers
Lab		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
AST (formerly SGOT)		1–36 U/L		1–36 U/L
LDH		70–180		70–180
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 hr		12–24 hr		4–6 days
Troponin-T	3–5 hr		24 hr		10–15 days
CPK	4–6 hr		10–24 hr		3–4 days
CPK-MB	4–6 hr		14–20 hr		2–3 days
AST (formerly SGOT)	12–18 hr		12–48 hr		3–4 days
LDH	3–6 days		3–6 days		7–10 days
Myoglobin	2–4 hr		6–10 hr		12–36 hr