Accessory Pathway Ablation

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16-11-2019

Raja Selvaraj, JIPMER

  • 12 tips in 12 minutes
  • Opinionated, illustrated, for early career EPs

#1 Use four catheters for EP study

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#1 Use four catheters for EP study

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But we have an RA catheter And this is clearly a concealed RFW AP

#2 Consider placing the RV catheter at base

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#3 Use triggered mode for mapping

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#4 Key to mapping is to identify signal components

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#4 Key to mapping is to identify signal components

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#4 Key to mapping is to identify signal components

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#4 Key to mapping is to identify signal components

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#4 Key to mapping is to identify signal components

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#5 Mapping in diverticulum - CSE potential most important

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#5 Mapping in diverticulum - CSE potential most important

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#5 Mapping in diverticulum - CSE potential most important

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#6 Oblique pathways - Earliest A / V may be distant

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#6 Oblique pathways - AP potential more important than earliest A

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#7 Be afraid of ablating septal APs with A / V pacing

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#8 When ablating in tachycardia, entrain the tachycardia

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#9 Map anteroseptal AP from non coronary cusp

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#10 Consider non annular location of AP

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#10 Consider non annular location of AP

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#11 Don't bump, but when it happens, use it

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#12 Be aware of isthmus block

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