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In this episode, we review the key aspects of ICD therapies. What are typical thresholds for a VT monitor zone, regular VT zone, fast VT zone, and VF zone? How is the number of intervals to detect (NID) defined deterministically vs probabilistically for VT vs VF detection? What is a typical rate and interval decrement for anti-tachycardia pacing (ATP)? What is the difference between a burst and a ramp of ATP? What do the B>AX, B>X, and B>A vectors for ICD shock describe? What are strategies for reducing inappropriate shocks? When is it appropriate to use a subcutaneous ICD or a wearable ICD? Tune in for answers to these questions.
Difficulty Level: Advanced
You are listening to Hu Said: Cardiology Board Review Series (2024-2025 Season)
Please subscribe, rate, and support the channel! Ads help keep materials free for everyone.
More MedEd resources available at www.rueyhu.com
Updates at Twitter/X: @Ruey_Hu
By Ruey Hu, MD, MPH4.5
1515 ratings
In this episode, we review the key aspects of ICD therapies. What are typical thresholds for a VT monitor zone, regular VT zone, fast VT zone, and VF zone? How is the number of intervals to detect (NID) defined deterministically vs probabilistically for VT vs VF detection? What is a typical rate and interval decrement for anti-tachycardia pacing (ATP)? What is the difference between a burst and a ramp of ATP? What do the B>AX, B>X, and B>A vectors for ICD shock describe? What are strategies for reducing inappropriate shocks? When is it appropriate to use a subcutaneous ICD or a wearable ICD? Tune in for answers to these questions.
Difficulty Level: Advanced
You are listening to Hu Said: Cardiology Board Review Series (2024-2025 Season)
Please subscribe, rate, and support the channel! Ads help keep materials free for everyone.
More MedEd resources available at www.rueyhu.com
Updates at Twitter/X: @Ruey_Hu

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