Describe and interpret the following ECG.
[expand title=”Interpretation”]
Rate:
Atrial = 141 min-1
Ventricular = 141 min-1
Rhythm:
Sinus tachycardia
P waves:
Duration = 120 ms
Amplitude = 0.1 mV
PR interval:
Duration = 200 ms
Morphology = Normal
QRS complex:
Duration = 146 ms
Axis = 138°
Q Waves:
Nil
R wave progression:
Normal
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 = 70 ms
Morphology = sagging downsloping depression V1-5
T waves:
Duration = 170 ms
Morphology = inversion III, aVF, V1-4
QT interval:
QT duration = 326 ms
QTc duration = 499 ms
Additional comments:
Nil
Interpretation:
[/expand]