Myocardial Infarction: Difference between revisions

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[[Image:AMI_evolutie.png|thumb| The evolution of an infarct on the ECG. ST elevation, Q wave formation, T wave inversion, normalisation with a persistent Q wave]]
[[Image:AMI_evolutie.png|thumb| The evolution of an infarct on the ECG. ST elevation, Q wave formation, T wave inversion, normalisation with a persistent Q wave]]
[[Image:PathoQ.png|thumb| A [[Pathologic_Q_Waves|pathological Q wave]]]]
[[Image:PathoQ.png|thumb| A [[Pathologic_Q_Waves|pathological Q wave]]]]
[[File:DVA1995.jpg|thumb|Wellens syndrome: symmetrical negative T wave in pre-cordial leads without R loss of R waves can regularly be observed in early anterior ischemia. Many patients with Wellens syndrome / sign turn out to have a critical proximal LAD stenosis<cite>WellensSign</cite>.]]
[[Image:anteriorMInegativeT.png|thumb| Typical negative T waves post anterior myocardial infarction. This patient also shows QTc prolongation. Whether this has an effect on prognosis is debated.<cite>Novotny</cite><cite>Jensen</cite><cite>Chevalier</cite>]]
[[Image:anteriorMInegativeT.png|thumb| Typical negative T waves post anterior myocardial infarction. This patient also shows QTc prolongation. Whether this has an effect on prognosis is debated.<cite>Novotny</cite><cite>Jensen</cite><cite>Chevalier</cite>]]
The cardiomyocytes in the ''subendocardial'' layers are especcially vulnerable for a decreased perfusion. Subendocardial ischemia manifests as ST depression and is usually reversible. In a myocardial infarction ''transmural ischemia'' develops.  
The cardiomyocytes in the ''subendocardial'' layers are especcially vulnerable for a decreased perfusion. Subendocardial ischemia manifests as ST depression and is usually reversible. In a myocardial infarction ''transmural ischemia'' develops.  

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