nyha ii–iii on gdmt to improve survival MCQ (SBA): LBBB with QRS ≥150 ms

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Medium"B"LBBB with QRS ≥150 msnyha ii–iii on gdmt to improve survival

A 69-year-old man with symptomatic HF and EF 30%

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nyha ii–iii on gdmt to improve survival MCQ: LBBB with QRS ≥150 ms — A