- Ventricular Ectopic Beats (Premature ventricular contraction);
- Supraventricular Ectopic Beats (Premature atrial contraction);
- Atrial Fibrillation;
- Myocardial infarction – limited to 1-lead ECG;
- Abnormal ST-segment changes;
- QRS complexes;
- P wave duration, QRS complex duration, PR interval, QT interval;
- Heart rate, heart rate variability;
- Ventricular hypertrophy.