病人,28岁,自述突然心慌、胸闷,,听诊心率200次/分,心律齐,血压正常,用心电示波监护该病人时,荧光屏上突然出现完全不规则的大波浪状曲线,且QRS波与T波消失,你考虑该病人为下列哪种情况( )
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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