Dr. murray -- as a higher medical authority than the emts -- had the power to overrule them .

医生穆雷--作为一个比紧急救护技术员更权威的医护人员--有否决护理人员说法的权力。

Emts can also administer electrocardiograms to gauge the extent of heart damage and notify the hospital to have the appropriate equipment standing by .

急救技师还可以操作心电图测量心脏受损的范围，然后通知医院准备好适当的医疗器械备用。