what are the Recommendations for ICDs and CRTs
Referenced studies that support the recommendations are
summarized in the Online Data Supplements.?
For patients who have LVEF ?35%, sinus rhythm, a non-LBBB pattern with a QRS duration ?150 ms, and NYHA class II, III, or ambulatory class IV symptoms on GDMT, CRT can be useful to reduce total mortality, reduce hospitalizations, and improve symp- toms and QOL.