Abstract
ECG signs suggestive of acute coronary syndrome are generally based on the analysis of the repolarization. However, the typical signs can be missing or hidden behind a preexisting abnormality. Thus, is it essential to examine the QRS complexes, whether thin or large, to reinforce a positive diagnosis and specify the stage of ischemia. There are four dynamic signs: the terminal distortion, the absence or the inappropriate R-waves growth, the occurrence of new Q waves and the QRS-complexes fragmentation and their equivalents in case of bundle branch block. Each of these signs provide information on the territory and the severity of ischemia, which may influence the therapeutic.
Translated title of the contribution | ECG for the diagnosis of acute coronary syndrome. Part 3. The QRS complexes abnormalities |
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Original language | French |
Pages (from-to) | 151-159 |
Number of pages | 9 |
Journal | Annales Francaises de Medecine d'Urgence |
Volume | 3 |
Issue number | 3 |
DOIs | |
State | Published - May 1 2013 |
Keywords
- Acute coronary syndrome
- Bundle-branch block
- Diagnosis
- ECG
- Electrocardiogram
- Myocardial infarction