Orris

Extrasystole management

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Quick answer

Extrasystoles are premature heartbeats, usually either premature atrial contractions (PACs) or premature ventricular contractions (PVCs). They often feel like a skipped beat, flutter, or a hard thump after a pause. In many people with a normal heart, they are benign and need reassurance rather than treatment.

Seek urgent care now if

Extrasystoles occur with chest pain, fainting or near-fainting, severe shortness of breath, sustained rapid palpitations, new neurologic symptoms, or occur during/after a suspected heart attack. Prompt medical review is also appropriate if they are new and frequent, exercise-induced, or there is known structural heart disease or a family history of sudden cardiac death.

Usual management

  1. Confirm the rhythm and assess risk
    • 12-lead ECG.
    • Ambulatory monitor, such as Holter or event monitor, to identify PACs versus PVCs and quantify burden.
    • Check triggers and reversible causes: stimulant use, alcohol, nicotine, sleep loss, stress, dehydration, fever, anemia, thyroid disease, and electrolyte abnormalities.
    • Echocardiography is commonly considered for frequent PVCs, concerning symptoms, abnormal ECG, or known/suspected heart disease. Exercise testing may be indicated if symptoms occur with exertion.
  2. Address triggers
    • Reduce caffeine or energy drinks if they clearly provoke symptoms.
    • Avoid nicotine, cocaine, amphetamines, and non-prescribed stimulants.
    • Limit alcohol, prioritize sleep, hydrate normally, and manage stress.
    • Review medications and supplements with a clinician, including decongestants and stimulant-containing products.
    • Correct documented electrolyte or thyroid abnormalities. Do not self-prescribe potassium or magnesium, especially with kidney disease or cardiac medicines.
  3. Reassurance and observation
    • In isolated PACs/PVCs with a structurally normal heart and mild symptoms, reassurance plus trigger control is often enough.
    • A symptom diary can help connect episodes with caffeine, alcohol, sleep, meals, stress, or exercise.
  4. Medication for troublesome symptoms
    • A clinician may try a beta-blocker such as metoprolol, especially for symptomatic PVCs or adrenergic triggers.
    • A non-dihydropyridine calcium-channel blocker, such as verapamil or diltiazem, can be an alternative in selected patients.
    • Antiarrhythmic drugs are generally reserved for specialist care because they can cause adverse effects or worsen arrhythmias in some settings.
  5. Catheter ablation
    • Considered by an electrophysiologist when PVCs are very frequent, symptoms remain significant despite conservative treatment, medication is unsuitable, or there is suspected PVC-induced weakening of heart muscle.
    • It can be highly effective for a single dominant PVC focus.

Important distinction

  • PACs are commonly benign but frequent PACs can be associated with later atrial fibrillation, so risk factors such as hypertension, sleep apnea, alcohol excess, and obesity should be addressed.
  • PVCs deserve more evaluation when frequent, multifocal, occurring in runs, worsening with exercise, or accompanied by impaired heart function.
If you can share whether these are PACs or PVCs, how often they occur, your age, symptoms, and whether you have heart disease, I can outline what evaluation is most appropriate.
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