Recording a high quality ECG is essential for reliable interpretation and clinical decision-making. Here are some common problems that you might encounter when you are recording a 12-lead ECG.
This ECG is from a middle aged woman who presented with chest pain and dyspnoea that improved after nitrogylcerin. The computer interpretation was 'normal'.
This ECG shows subtle ST elevation in inferior leads with reciprocal changes in aVL. Troponins were positive. The computer misinterpreted the ECG as normal.