The electrocardiograms (ECGs) in this Atlas supplement those illustrated in Chap. 228. The interpretations emphasize findings of specific teaching value.
All of the figures are from ECG Wave-Maven, Copyright 2003, Beth Israel Deaconess Medical Center, http://ecg.bidmc.harvard.edu.
The abbreviations used in this chapter are as follows:
LVH—left ventricular hypertrophy
RBBB—right bundle branch block
RVH—right ventricular hypertrophy
Myocardial Ischemia and Infarction
Anterior wall ischemia (deep T-wave inversions and ST-segment depressions in I, aVL, V3−V6) in a patient with LVH (increased voltage in V2−V5).
Acute anterolateral wall ischemia with ST elevations in V4−V6. Probable prior inferior MI with Q waves in leads II, III, and aVF.
Acute lateral ischemia with ST elevations in I and aVL with probable reciprocal ST depressions inferiorly (II, III, and aVF). Ischemic ST depressions also in V3 and V4. Left atrial abnormality.
Sinus tachycardia. Marked ischemic ST-segment elevations in inferior limb leads (II, III, aVF) and laterally (V6) suggestive of acute inferolateral MI, and prominent ST-segment depressions with upright T waves in V1−V4 are consistent with associated acute posterior MI.
Acute, extensive anterior MI with marked ST elevations in I, aVL, V1−V6 and small pathologic Q waves in V3−V6. Marked reciprocal ST-segment depressions in III and aVF.
Acute anterior wall MI with ST elevations and Q waves in V1−V4 and aVL and reciprocal inferior ST depressions.
NSR with premature atrial complexes. RBBB; pathologic Q waves and ST elevation due to acute anterior/septal MI in V1−V3.
Acute anteroseptal MI (Q waves and ST elevations in V1−V4) with RBBB (note terminal R waves in V1).
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