Cardiac enzymes
Revision as of 14:13, 1 August 2016 by Rossdonaldson1 (talk | contribs) (Text replacement - "rhabdo" to "rhabdomyolysis")
Types
Cardiac Enzymes Over Time
Type | Interval (hours) | Peak Elevation (hours) | Return to Normal |
Myoglobin | 1-4 | 6-7 | 18-24 hours |
Troponin I | 3-12 | 10-24 | 3-10 days |
Troponin T | 3-12 | 10-24 | 5-14 days |
CK-MB | 4-12 | 12-24 | 2-3 days |
LDH | 8-12 | 24-48 | 10-14 days |
Creatine Phosphokinase
- can be elevated in trauma, rhabdomyolysis, hyperthermia, physical activity, renal or endocrine disease, systemic infections
- if patient small with small muscle mass to begin with, total ck may not be elevated- so better to use CK index- is ratio of CKMB/ total CK. Elevated if > 3- 5%.
- CK Mass: with monoclonal antibody techniques, can directly measure ck mb mass as mmcg/L. More sensitive for detection of ami