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ִҵҽʦʵܲ        ٴҽʦʵܿԳĵͼ

[ժҪ]ĵͼٴʵܿռһϯ֮Ȼռֵ֪ʶڼܿжһͨصİ

ĵͼռһϯ֮Ȼռֵ֪ʶڼܿжһͨصİ ĵͼӦڼϵͬʱҲԼƵָͼԼԤҪ

༲ϷΪõʧļʺļȱѪ

ĵͼӦPηQRS-Tٷ֮ϵĵͼȷж

ĵͼPķ̵ĵλ仯 P򣺢aVFV46ֱaVR

Pʱ䣺С

P֫嵼ص P-RPQRSʱ

ʷΧʱ˵P-RΪ

QRSȺҺҼĵλ仯 ʱ䲻ұڼʱV1V2V5V6 V1V2rSV1RV3V4RS൱V5V6qRRqRsRsRǰRV1V6S𽥱СV1R/SС1V5R/SڵΪɳQSQrrSrSraVRRһ㲻aVFQRSȺɳRRsqRҲɳrS

RСaVLRСaVFRСڢQRSȺûеƫƵһ ֫嵼QRSȺನ͸򲨵ľֵ֮ͲӦСصQRSȺӦСΪ͵ѹ QaVRӦСͬR1/4ʱ䲻V1V2һ㲻ӦqżQS

STQRSյTһĹ STӦڵȵλʱһЩ΢ƫһѹ;ܳSŢV1V2V3V45֫嵼Ӧ

ǰǰֵλPͬPΪȫ϶ǰǰĶڵľP-PĶP-Rһ㳬PûQRS-TʱPQRS֧ͼǰϲڲ촫

ǰǰֵQRS-TǰPصPǰֵQRSʱ೬T෴нĴ϶

Ķ١PPɳPڢaVFV46ֱaVRɵƵʳ100/

ĶPPɳPڢaVFV46ֱaVRɵƵʵ60/

Ķ١ĶٷʱͻͻֹصƵʶ150250

ɹQRS̬羭·۷ϲ֧ͻڲ촫ʱQRS

ٴԤ·ķ۷Ķҽ˫·۷ķҽ۷Ķķλ˷ܵĶҲзҽ˫ͷ·ͬĶ ķPʧ֮ԴС״IJͨV1QRSԲQRSɺϲڲ촫QRS෢ǰһR-RϳһR-R϶ʱ

ȷҴ͡PQRS޹ϵPƵʳQRSQRSƵʹ̶ΪݲΪݲQRS̬ƵΪ4060/ΪݲQRSƵΪ2040/

ҷʺ񡡡ҷʴ󣺱߱QRSȺѹߵһ׼V5V6RRV5+УŮRR+S

ɳֶĵƫ ұڼʱV5V6

QRSȺʱӳ಻ΪĵSTοɳбѹʹTƽ˫ SΪĵTֱ QRSȺѹͬʱST-Tıҷʴ ҷʴV1R/S1V5R/S1SضȷʺʹV1qRͣļ RV1+֢aVRR/qR/S1Rĵƫ+90֢110 ұڼʱV1V2 ST-TıͬʱϲصV1V2T˫STѹ͵ҷʴ

ҷʴʱָ꣨V1QRS̬ƫȣ϶ָĵͼķʴԽϲĵͼϵҷʴʵʽ֮ʱвٴжʱӦۺϷ

ļȱѪSTˮƽͻбѹSŢV13V45֫嵼ƽ˫ҲԽ ֵָST-T쳣ֻǴصԵļ쳣ǹIJκļİഫϵͳIJҩȾʹST-TıIJļȱѪڷʱST-TIJļȱѪʱһֻߵST-TΪ쳣

IJٴȷٴ֢״ĸ

ļ̬۲ĵͼݱļжشĿǰĵͼΪٴļĻֶ ļĵͼɷΪµĵݱ̣ڣڣTߴܿSTбֱ̧T QRSʱ

ڣ쳣QQSSTι̧γɵԺ½Tʼúͼ ڣǼڣSTλָȵλTɵ𽥱dz

¾ڣڣST-TָTƽQQҲԱСʧ ĵͼ԰ļĶλ ǰV13Ϊ쳣QQSǰV46쳣QaVLV5V6쳣QV7V8쳣QV1V2RT±aVF쳣Q

ֻST-TԸı޲QΪQļĵͼ ʱҪļøѧٴ֢״ȷ