electrical conduction system SA node internodal pathways AV

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심장의 전기 전도계(electrical conduction system) 동결절(SA node) 결절간 심장경로(internodal pathways) 방실결절(AV node) His bundle

심장의 전기 전도계(electrical conduction system) 동결절(SA node) 결절간 심장경로(internodal pathways) 방실결절(AV node) His bundle Rt & Lt bundle branch 섬유망(Purkinje fiber)

표준 심전도 12 leads 로 구성 Standard (bipolar limb) lead(사지유도) Augmented leads(증폭유도) : a.

표준 심전도 12 leads 로 구성 Standard (bipolar limb) lead(사지유도) Augmented leads(증폭유도) : a. VR a. VL Av. F

Precordial lead(흉부유도) : Horzontal plane V 1, V 2, V 3, V 4, V

Precordial lead(흉부유도) : Horzontal plane V 1, V 2, V 3, V 4, V 5, V 6 V 1: V 2: V 3: V 4: right 4 th intercostal space left 4 th intercostal space halfway between V 2 and V 4 left 5 th intercostal space, mid-clavicular line V 5: horizontal to V 4, anterior axillary line V 6: horizontal to V 5, mid-axillary line