Question

A 72-year-old with severe HFrEF receives CRT. Follow-up echo shows EF 22% and persistent dyssynchrony; patient is pacemaker-dependent. Next option to improve outcomes?

Accepted Answer

Upgrade to conduction system pacing (His/left bundle area) if CRT nonresponder

Answer

AV nodal ablation with RV pacing

Answer

Stop CRT and use RV pacing

Answer

No changes

Answer

High-dose verapamil

Practice question

A 72-year-old with severe HFrEF receives CRT. Follow-up echo shows EF 22% and persistent dyssynchrony; patient is pacemaker-dependent. Next option to improve outcomes?