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* A CRTD should be considered in a patient with non-LBBB, QRS > 150ms, EF<35%, NYHA III-IV . IIaA<cite>ESCHF</cite> | * A CRTD should be considered in a patient with non-LBBB, QRS > 150ms, EF<35%, NYHA III-IV . IIaA<cite>ESCHF</cite> | ||
* A CRTD should be considered in a patient with non-LBBB, QRS > 150ms, EF<30%, NYHA II . IIaA<cite>ESCHF</cite> | * A CRTD should be considered in a patient with non-LBBB, QRS > 150ms, EF<30%, NYHA II . IIaA<cite>ESCHF</cite> | ||
* A CRTD/CRTP may be considered to reduce the risk of HF worsening in a patient with atrial fibrillation who is pacemaker dependant, after AV nodal ablation QRS > | * A CRTD/CRTP may be considered to reduce the risk of HF worsening in a patient with atrial fibrillation who is pacemaker dependant, after AV nodal ablation QRS > 120ms, EF<35%, NYHA III-IV . IIaA<cite>ESCHF</cite> | ||
==Class IIb (may be considered)== | ==Class IIb (may be considered)== |