The nurse obtains an electrocardiogram (ECG) for a client who reports continuous chest pain and a history
of a heart attack. Which potential changes on the client's ECG result indicate a myocardial infarction?
Select all that apply.
1. An elevated ST segment
2. A large ST depression
3. A flattened PR segment
4. A flattened ST segment
5. An inversion seen on the T wave