ARRHYTHMIAS

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Last Updated : 1/5/2011
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N C Joshi
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Depends on mechanism
- For abnormal automaticity: Decrease Phase 4 depolarization
- For Re-entry: Reduce the excitable gap
- For Both: eliminate the source (radiofrequency ablation or surgery)

Radiofrequency Ablation:
Procedure:
- Connect catheter and grounding pad to generator
- Apply current at radiofrequency
- Observe effects

Mechanism:
It causes a thermal burn. Tip temperature is approximately 70 degree Celsius

Applications:
It is used in the treatment of
- SVT
- Flutter
- VT

Surgery:
- Applications are the same
- Procedure maybe excision or cryosurgery



Contributor Information and Disclosures N C Joshi
Consultant Pediatrician, Nanavati Hospital, Mumbai, India


First Created : 1/18/2001
References
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