Acute cardiac injury∗ (most commonly defined as elevation of cardiac troponin I above 99th percentile upper reference limit) 8–12% on average [10] • Most commonly reported cardiovascular abnormality
• Can result from any of the following mechanisms-•Direct myocardial injury
•Systemic inflammation
•Myocardial oxygen demand supply mismatch
•Acute coronary event
•Iatrogenic
• Strong adverse prognostic value