Final answer:
EKG abnormalities can be indicators of potential cardiac issues that may lead to post-operative complications, although they may not be definitive predictors. An elevation of the ST segment above baseline is often seen in patients with an acute myocardial infarction, which can indicate a higher risk of post-operative cardiac events. An enlarged Q wave may also suggest a potential risk for cardiac events.
Step-by-step explanation:
The specificity of EKG abnormalities in predicting post-operative cardiac events can vary depending on the specific abnormality and the context in which it occurs. However, EKG abnormalities can be indicators of potential cardiac issues that may lead to post-operative complications.
For example, an elevation of the ST segment above baseline is often seen in patients with an acute myocardial infarction (MI), which can indicate a higher risk of post-operative cardiac events. Additionally, an enlarged Q wave may indicate a previous MI, suggesting a potential risk for cardiac events.
It's important to note that EKG abnormalities alone may not be definitive predictors of post-operative cardiac events, and further diagnostic tests and evaluations may be necessary to accurately assess a patient's risk.