Describe and interpret this ECG.

ECG #18

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.

ECG #18
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