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EPS & RFA

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EPS & RFA

What are EPS and RFA?

EPS (Electrophysiological Study) and RFA (Radiofrequency Ablation) are advanced medical procedures used to diagnose and treat cardiac arrhythmias (irregular heartbeats). These procedures are essential in managing heart rhythm disorders, improving quality of life, and preventing complications such as strokes or heart failure.

What is Electrophysiological Study (EPS)?

EPS is a diagnostic procedure used to identify abnormal electrical activity in the heart that causes arrhythmias. During this procedure, electrodes are inserted into the heart through a catheter, and the heart’s electrical signals are mapped to locate the source of the irregular rhythm.

  • Purpose: Diagnose arrhythmias and determine the best treatment options.
  • Procedure: Performed under local anesthesia and sedation, it usually takes a few hours.
  • Risks: Rare risks include bleeding, infection, or damage to the heart.

What is Radiofrequency Ablation (RFA)?

RFA is a minimally invasive procedure used to treat certain types of arrhythmias. During the procedure, a catheter is inserted into the heart, and radiofrequency energy is used to destroy the abnormal tissue causing the irregular heartbeat.

  • Purpose: Cure arrhythmias like atrial fibrillation, atrial flutter, and ventricular tachycardia.
  • Procedure: Performed after an EPS to treat the source of the arrhythmia. It typically lasts 1 to 3 hours.
  • Risks: Rare complications may include blood clots, bleeding, or damage to the heart.

Benefits of EPS and RFA

  • Accurate Diagnosis: EPS provides precise information about the electrical activity of the heart, helping physicians pinpoint the cause of arrhythmias.
  • Minimally Invasive: Both EPS and RFA are performed using catheters, eliminating the need for open-heart surgery.
  • Effective Treatment: RFA can effectively cure or reduce the recurrence of certain arrhythmias, leading to improved heart function and fewer symptoms.
  • Quick Recovery: Most patients experience a short recovery time, with minimal hospital stay (usually 1–2 days).

Indications for EPS and RFA

EPS and RFA are commonly recommended for patients with the following heart rhythm disorders:

  • Atrial Fibrillation: A common arrhythmia that causes irregular and often rapid heart rate.
  • Atrial Flutter: Similar to atrial fibrillation, but with a regular rhythm.
  • Supraventricular Tachycardia (SVT): A fast heart rate originating above the ventricles.
  • Ventricular Tachycardia: A dangerous arrhythmia originating in the ventricles that can lead to sudden cardiac arrest.

Recovery After EPS and RFA

  • Post-Procedure Care: Patients may experience mild discomfort or bruising at the catheter insertion site, but serious complications are rare.
  • Activity Restrictions: Patients are usually advised to avoid strenuous activity for 1–2 weeks after the procedure.
  • Follow-Up: Regular follow-up visits are necessary to monitor heart rhythm and ensure the procedure’s success.

Alternatives to EPS and RFA

  • Medications: Antiarrhythmic drugs can help control arrhythmias but may not be as effective as EPS and RFA in some cases.
  • Pacemaker: In some cases, a pacemaker may be used to regulate the heart’s rhythm.
  • Implantable Cardioverter Defibrillator (ICD): This device monitors the heart and can deliver shocks to treat life-threatening arrhythmias.

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