Medicine False regarding levels of cardiac biomarkers following ischemic injury to the heart A Troponin peaks earlier than CK-MB B Troponin returns to normal in three days C CK-MB is less sensitive than troponin D CK-MB returns to normal in 48-72 hours 💡 Explanation False regarding levels of cardiac biomarkers following ischemic injury to the heart ✓ Correct Answer: B. Troponin returns to normal in three days