This post is an answer to the ECG Case 197
- Rate:
- Ventricular Rate 42 bpm
- Rhythm:
- Regular
- Nil visible p waves
- Axis:
- Indeterminate
- QRS Complexes in limb leads barely visible
- Intervals:
- PR – Nil p visible
- QRS – Prolonged (200ms)
- QT – 640ms (QTc Bazette ~ 510 ms)
- Segments:
- Slight ST Depression in V2, V3
- Slight ST Elevation in II, III, aVF
- Additional:
- T Inversion in aVL, aVR, V1-3, ?? V4-5
- Prominent T waves in inferior leads
- T wave amplitude >>> QRS amplitude
- Low voltage
Differentials:
- Hyperkalaemia
- Toxic Drug Ingestion
- Other Causes of QT Prolongation
The patient’s serum potasssium level was >8.5 mmol/L !
SIMILAR CASES:
