Laboratory tests are performed to identify damage to the heart muscle.The test that is elevated the earliest with heart damage is:

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Troponin is elevated within 3 to 6 hours and is often measured in the emergency department.CPK-MB is elevated in 12 to 24 hours.Three serial samples are drawn.The LDH increases with heart damage within 3 to 6 days.The lipid profile is not elevated with heart damage.

Laboratory Tests Are Performed to Identify Damage to the Heart