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Myocardial Infarction: Difference between revisions
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→Diagnosis of myocardial infarction
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** [[Pathologic_Q_Waves|pathological Q waves]] develop on the ECG | ** [[Pathologic_Q_Waves|pathological Q waves]] develop on the ECG | ||
** A coronary intervention had been performed (such as stent placement) | ** A coronary intervention had been performed (such as stent placement) | ||
So detection of elevated serum heartenzymes is more important than ECG changes. However, the heartenzymes can only be detected in the serum 5-7 hours after the onset of the myocardial infarction. So especially in the first few hours after the myocardial infarction the ECG can be crucial. | |||
;Significant ST elevation is defined as: | ;Significant ST elevation is defined as: | ||
:ST elevation of more than 2mm in two chest leads or more than 1 mmm in two adjacent limb leads | :ST elevation of more than 2mm in two chest leads or more than 1 mmm in two adjacent limb leads | ||
Myocardial infarction diagnosis in left or right bundle branch block can be difficult, but is explained in these seperate chapters: | Myocardial infarction diagnosis in left or right bundle branch block can be difficult, but is explained in these seperate chapters: | ||