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リンク元 | 「左冠動脈主幹部」「left main coronary disease」「LMCA」「left main coronary artery」 |
関連記事 | 「冠状動脈」「左冠状動脈」「動脈」 |
左冠状動脈主幹部 left main coronary artery
Localization of Myocardial Infarction | ||
Anatomic Site | Lead with Abnormal ECG Complexes | Coronary Artery Most Often Responsible |
inferior | II, III, aVF | RCA |
anteroseptal | V1-V2 | LAD |
anteroapical | V3-V4 | LAD(distal) |
anterolateral | V5-V6, I, aVL | CFX |
posterior | V1-V2(tall R wave, not Q wave) | RCA |
Blood Supply of the Conduction System | ||
Conduction Pathway | Primary Arterial Supply | |
SA node | RCA (70%) | |
AV node | RCA (85%) | |
Bundle of His | LAD | |
RBB | Proximal portion | LAD |
Distal portion | RCA | |
LBB | Left anterior fascicle | LAD |
Left posterior fascicle | LAD | |
PDA |
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