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Line 47: − − {| class="wikitable" border="0" cellpadding="0' cellspacing="0" width="700px" − |- − |colspan="2"|'''''The figures below compare two of the syndromes caused by abnormalities in phase 1 of the myocyte action potential.''''' − |- − !Similarities − !Differences − |- − |[[Image:projects_repolarization_21_272147016.JPG|300px|center]] − |[[Image:projects_repolarization_23_1469634712.JPG|300px|center]] − |- − |valign="bottom"|[[Image:projects_repolarization_23_684579393.jpg|300px|center]] − |[[Image:Semantic_confusion_early_repolarization.svg|300px|center]] − |- − !Brugada ECG Pattern − !Haïssaguerre ECG Pattern − |}
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[[File:Semantic_confusion_early_repolarization.svg|thumb|400px|right]]
'''[[Early Repolarization]]''' is a term used originally for ST segment elevation without underlying disease. It probably has nothing to do with actual early repolarization. It is commonly seen in young men. It is important to discern early repolarization from ST segment elevation from other causes such as [[ischemia]]. Characteristics of early repolarization are:<cite>Kambara</cite>
'''[[Early Repolarization]]''' is a term used originally for ST segment elevation without underlying disease. It probably has nothing to do with actual early repolarization. It is commonly seen in young men. It is important to discern early repolarization from ST segment elevation from other causes such as [[ischemia]]. Characteristics of early repolarization are:<cite>Kambara</cite>
* an upward concave elevation of the RS-T segment with distinct or "embryonic" J waves
* an upward concave elevation of the RS-T segment with distinct or "embryonic" J waves
In fact, though this new, rare syndrome may be found to be more prevalent now that it has been discovered, nomenclature and ECG measurement disagreements could result in more harm than good. This is particularly the case since many of the widely used automated ECG machines put out a statement of ''Early Repolarization'' based on ST elevation in an otherwise normal ECG.
In fact, though this new, rare syndrome may be found to be more prevalent now that it has been discovered, nomenclature and ECG measurement disagreements could result in more harm than good. This is particularly the case since many of the widely used automated ECG machines put out a statement of ''Early Repolarization'' based on ST elevation in an otherwise normal ECG.
===Prognostic Implications of the Haïssaguerre ECG Patterns===
===Prognostic Implications of the Haïssaguerre ECG Patterns===