Cardioversion is a medical procedure that restores a normal heart rhythm in patients with atrial fibrillation (AFib), atrial flutter, or other arrhythmias. These abnormal rhythms can cause palpitations, fatigue, dizziness, shortness of breath, or increase the risk of stroke. Cardioversion can be performed using medications or a controlled electrical shock, helping the heart regain its regular rhythm safely and effectively.
At Premier Cardiology, our team provides both pharmacologic and electrical cardioversion to treat arrhythmias, tailoring the approach to each patient’s specific condition, overall health, and treatment goals.
When Cardioversion Is Recommended
Cardioversion may be recommended for patients who:
- Have persistent atrial fibrillation or atrial flutter
- Experience symptoms such as palpitations, shortness of breath, or fatigue
- Are at increased risk of stroke due to irregular heart rhythm
- Have not responded to medications alone
- Require rhythm control for optimal heart function
The goal of cardioversion is to restore normal sinus rhythm, reduce symptoms, and improve heart function, often allowing for better long-term outcomes.
Types of Cardioversion
Electrical Cardioversion
- Performed under light sedation in a controlled clinical setting
- A synchronized electrical shock is delivered to the heart
- The shock resets the heart’s electrical system, restoring normal rhythm
- Often provides immediate results
Pharmacologic (Chemical) Cardioversion
- Uses anti-arrhythmic medications to restore normal rhythm
- Can be administered orally or intravenously, depending on the clinical scenario
- Preferred in certain patients or when electrical cardioversion is not suitable
The choice of method depends on factors such as the type and duration of the arrhythmia, patient health, and previous treatments.
Benefits of Cardioversion
- Restores a normal and stable heart rhythm
- Relieves symptoms like palpitations, fatigue, and shortness of breath
- Reduces the risk of stroke associated with AFib or atrial flutter
- Can improve quality of life and daily activity levels
- Minimally invasive and generally low risk when performed under careful monitoring
Cardioversion can often be combined with other arrhythmia treatments such as Afib Ablation, Pulsed Field Ablation, or Medications to maintain long-term rhythm control.
Recovery and Follow-Up
Recovery from cardioversion is usually rapid:
- Patients typically resume normal activities the same day or the next day
- Short-term use of anticoagulants may be necessary to prevent clots
- Follow-up EKG or Holter Monitor testing ensures rhythm stability
- Lifestyle management of high blood pressure, high cholesterol, and obesity supports ongoing heart health
Ongoing monitoring allows your cardiologist to evaluate treatment effectiveness and adjust medications or interventions as needed.
Frequently Asked Questions
Is cardioversion safe?
Yes. Cardioversion is a well-established procedure with low risk when performed by experienced specialists. Risks and considerations will be discussed at your consultation.
Does it always work the first time?
Most patients achieve normal rhythm after one session, though some may require repeat cardioversion or additional treatment.
Will I need medications afterward?
Some patients continue anti-arrhythmic or blood-thinning medications to maintain rhythm and prevent clots.
Learn more by scheduling a consultation with one of our cardiologists.