心電図1000 002
2020年8月21日 (金) 15:17時点におけるimported>Medicineによる版
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- 78歳 男性 no history provided
答え
- 解釈：
- Interpretation: NSR 60/min. PR.16, QRS.10, QT normal for rate. Axis -35ｰ. Abnormal due to left axis deviation (LAD), nonspecific T wave changes(NSST-TCs).
- Comment: Rate-the RR interval is 5 large squares (300/5 = 60). Axis-the QRS is roughly isoelectric, a little negative, in II; 90ｰ from II is either -30° or
+150°. Because the vector is positive in (points at) I and aVL, the axis is about -30°. I am calling it -35° because the QRS is slightly negative in II. Ts are inverted in V5 and V6, and flat in the inferior (II, III, aVF) and lateral (I and aVL) leads. The cause of the T wave changes is uncertain. In this ECG, the transition from net negative to positive complexes occurs around V4 and V5; it is borderline and I elected not to call poor R wave progression(PRWP).