n CME : Your SA Journal of CPD - Premature ventricular complexes and non-sustained tachycardia : ECG education




PVCs may be a marker for an underlying disorder such as ischaemia, cardiomyopathy or electrolyte imbalance. <br>In the absence of underlying heart disease, isolated PVCs have no impact on cardiovascular mortality or limitation of activity. There is no place for prophylactic treatment with anti-arrhythmic drugs. <br>High-grade ectopy predicts a higher cardiovascular mortality, particularly in the setting of left ventricular impairment. <br>Suppression of PVCs with anti-arrhythmic drugs does not improve mortality and may actually increase mortality. <br>Patients with ischaemic heart disease, LV impairment and non-sustained VT should be referred for an EPS. <br>Selected patients with symptomatic high-grade ectopy (e.g. RVOT ectopy) can benefit from RF ablation therapy.


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