病史
A35-year-oldwomanpresentstotheemergencydepartmentwithpalpitationsfor2hours.Shestatesthatshehasintermittentlyhadpalpitationsforyears,butalwayslastingforminutesonly.Thesepalpitationsareassociatedwithmilddizzinessandshortnessofbreath.Nochestpainoccurs.
35岁女性因心悸2小时就诊于急诊科。她说她多年来断断续续地有心悸,但总是只持续几分钟。这些心悸伴有轻度头晕和呼吸短促。无胸痛。
Hertemperatureis37.0°F,bloodpressureis90/50mmHg,heartrateisbpmandherrespiratoryrateis16.Nojugularvenousdistensionispresent,sheistachycardicandregularoncardiacexamwithoutanymurmurs.Herlungsarecleartoauscultation.Therestofherexamisnormal.
体温37.0华氏度,血压90/50毫米汞柱,心率次/分,呼吸频率16次。无颈静脉扩张,心动过速,心脏检查正常,无杂音。她的肺部听诊清晰。其他部分检查正常。
ECG
Q1.WhatarethefindingsofthisECGtracing?
(心电图诊断)
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