ponin
n Positive
Nonischemic
Not an MI
Cardiac
• Direct myocardial
damage
Systemic
• CHF
• Infection
▶▶ Viral CM
• Inflammation
▶▶ Myocarditis
▶▶ Pericarditis
• Trauma
▶▶ Surgery
▶▶ Electrical shock
• Ablation procedures
• Malignancy
• Stress CM
• Infiltrative diseases
• PE
• Toxicity
▶▶ Anthracyclines
• Trauma
▶▶ Blunt chest wall injury
▶▶ CHF
(volume overload)
• Renal failure
• Sepsis
• Stroke
• Subarachnoid
hemorrhage
Analytical
• Assay Based
▶▶ Poor performance
▶▶ Calibration errors
• Sample Based
▶▶ Heterophile antibody
▶▶ Interfering substances
