detailed ecg of sinus tachycardia with multifocal pvcs for medical analysis

ecg sinus tachycardia multifocal pvcs medical illustration electrocardiogram arrhythmia heart rate premature ventricular contractions cardiac analysis cardiology monitoring diagnostic tool interpretation rhythm ectopy clinical teaching function electrical activity patient assessment healthy abnormal rhythms waveform graphic representation healthcare education physiology research care symptom findings practice tomography diagnostics cardiovascular health arrhythmic events chronic conditions