Question

A 70-year-old with HFrEF on maximized GDMT remains NYHA III with QRS 120 ms non-LBBB. CRT indication?

Accepted Answer

Class III (no benefit) for non-LBBB QRS 120 ms

Answer

Class I for non-LBBB QRS 120 ms

Answer

Class IIa for non-LBBB QRS 120-149 ms

Answer

Indicated only with QRS <120 ms

Answer

Indicated regardless of QRS

Practice question

A 70-year-old with HFrEF on maximized GDMT remains NYHA III with QRS 120 ms non-LBBB. CRT indication?