QRS duration(English)

• the ratio QRSd/LVEDD effectively eliminates sex-specific differences in CRT efficacy and outperformed QRSd in predicting clinical outcomes. Sex did not directly influence CRT outcomes but mediates its effect indirectly through QRSd/LVEDD
• CRT, HFrEF, IDI, LBBAP, LVEDD, LVEF
• Cardiology, Electrophysiology, Pathology, Gender aspects, Therapeutic approaches
• https://doi.org…cep.2026.01.032