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Free Hand Hygiene Module

To ensure all health professionals are best prepared to contain the spread of coronavirus, we at Ausmed have made our Hand Hygiene Module free. We invite you to undertake this 40 minute module.

Transcript

The evolution of a STEMI: even though ischaemia is the first thing that happens, it's not the first change that you will see on the ECG. On a normal ECG, the ST segment is on the baseline. As soon as a patient is experiencing a myocardial infarction, the ST segment will elevate within minutes. For this reason, you will not see the T wave inversion until much later. So, the first sign you will see on your ECG is the ST elevation. As the ST segment comes down within 12-24 hours, the T wave can now invert and it's possible to see on the ECG. It's usually during this time that the pathological Q wave will also develop. After one week the ST segment will be back to normal and the T wave inversion will still be present. Months later only the pathological Q wave will be present as the T wave will then convert back to positive. This is what we call the evolution of a STEMI.