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Myocardial Infarction: Difference between revisions
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→The location of the infarct
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[[Image:AMI_anterior.png|thumb| A typical example of an acute anterior wall infarction. ST elevation in leads I, AVL and V2-V5. Reciprocal depressions in the inferior leads (II,III,AVF)]] | [[Image:AMI_anterior.png|thumb| A typical example of an acute anterior wall infarction. ST elevation in leads I, AVL and V2-V5. Reciprocal depressions in the inferior leads (II,III,AVF)]] | ||
[[Image:heart_with_AL_infarct.png|thumb|Anterolateral infarct caused by occlusion of the LAD.]] | [[Image:heart_with_AL_infarct.png|thumb|Anterolateral infarct caused by occlusion of the LAD.]] | ||
[[Image:ECG_VWI_2wk.jpg|thumb| | [[Image:ECG_VWI_2wk.jpg|thumb| A 2 weeks old anterior infarction with Q waves in V2-V4 and persisting ST elevation, possibly as a sign of formation of an aneurysm]] | ||
Encomprises the anterior part of the heart and a part of the ventricular septum. Is supplied by blood by the LAD. | |||
{{clr}} | {{clr}} | ||
===Septal=== | ===Septal=== | ||
QS in V1 en V2. Later the septum-Q in V5 and V6 disappears. | |||
Encomprises the ventricular septum. This is supplied by blood by the septal branches of the LAD. | |||
===Lateral=== | ===Lateral=== | ||
ST | ST elevation in I, aVL, V5 and V6 | ||
Encomprises the lateral side of the left ventricle. This is supplied with blood by the RCX or the MO. The MO, the '''marginalis obtusis''' is a sidebranch between the LAD and the RCX. In case of a lateral infarct, the maximal ST elevation is in lead V7 and the maximal depression in V2. <cite>Wung</cite> | |||
===Antero-lateral=== | ===Antero-lateral=== | ||
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[[Image:AMI_Anterolateral.png|thumb]] | [[Image:AMI_Anterolateral.png|thumb]] | ||
ST- | ST-elevation in the precordial leads V2-V6 | ||
Later | Later, negative T waves and Q-waves have developed in I, aVL, V5 en V6. | ||
{{clr}} | {{clr}} | ||