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Can the phenomenon of ventricular pre-excitation in ECGs be called preexcitation syndrome? |
WANG Fujun, LUO Dan, ZHANG Zhou |
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Abstract Domestic dispute remains on whether the phenomenon of ventricular pre-excitation in ECGs can be called pre-excitation syndrome. This paper reviews the cognitive process and discovery of pre-excitation syndrome that is deemed to be a normalized nomenclature with different patterns of manifestation in ECGs and clinical features. Emergence of the phenomenon of ventricular pre-excitation in ECGs combined with a history of tachycardia can be called pre-excitation syndrome; however, ventricular pre-excitation ECG is also suggestive of preexcitation syndrome even though a history of tachycardia is absent. Likewise, it can also be implied by accessory pathway involved tachycardia without ventricular preexcitation ECG. Undoubtly, it should also be diagnosed as preexcitation syndrome for patients without tachycardia, but with ventricular pre-excitation ECG and decline of left ventricular systolic function.
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