Describe and interpret this ECG.
[expand title=”Interpretation”]
Rate:
Atrial = N/A
Ventricular = 110 (88 – 167) min-1
Rhythm:
Atrial fibrillation
P waves:
Duration = N/A
Amplitude = N/A
PR interval:
Duration = N/A
Morphology = N/A
QRS complex:
Duration = 144 ms
Axis = 230°
Q Waves:
aVF
R wave progression:
Poor
LV Hypertrophy [Sokolow; SV1 + (RV5 or RV6) > 35mm) or RI + SIII > 25mm]?
No
RV Hypertrophy [R/S ratio V5 or V6 < 1 or R/S ratio V1 > 1 or S1S2S3 pattern]?
No
ST segments:
Duration = 80 ms
Morphology = normal
T waves:
Duration = 140 ms
Morphology = inversion V1-3
QT interval:
QT duration = 362 ms
QTc duration = 489 ms
Additional comments:
Nil
Interpretation: This 12-lead electrocardiogram shows atrial fibrillation, a RBBB, and extreme axis deviation; most likely the result of longstanding chronic myocardial ischaemia.
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