The change on the ECG tracing associated with transmural myocardial damage is:
1. ST segment elevation.
2. Loss of P waves.
3. Bradycardia.
4. Widening of the QRS complex.
ST segment elevation.
Rationale: Transmural damage is present with ST segment elevation. Loss of P waves occurs with atrial flutter and fibrillation. Bradycardia can be a normal or abnormal rhythm. It is not specifically associated with transmural damage. Widening of the QRS complex occurs with bundle branch block. It is not specifically associated with transmural damage.
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