{"id":"W4414919907","doi":"10.1016/j.amjcard.2025.09.053","title":"Relationship Between QRS Fragmentation on Electrocardiogram and Myocardial Scar Characterization on Cardiac Magnetic Resonance Imaging in Patients With Ischemic and Nonischemic Cardiomyopathy","year":2025,"lang":"en","type":"article","venue":"The American Journal of Cardiology","topic":"Cardiac electrophysiology and arrhythmias","field":"Medicine","cited_by":1,"is_retracted":false,"has_abstract":false,"ca_institutions":"St. Michael's Hospital; Sunnybrook Health Science Centre; McMaster University; University of Toronto","funders":"","keywords":"Cardiac magnetic resonance; Ejection fraction; QRS complex; Cardiac magnetic resonance imaging; Magnetic resonance imaging; Clinical endpoint; Ischemic cardiomyopathy; Sudden cardiac death","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0005571449,0.00038024,0.0005457586,0.001110697,0.0004333342,0.0008214411,0.0004334678,0.0009574722,0.002471047],"category_scores_gemma":[0.004707834,0.0002770226,0.0004355465,0.0007656406,0.0005298347,0.0009667451,0.0005092887,0.0009051842,0.0002560997],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002299553,"about_ca_system_score_gemma":0.0002353597,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0006430179,"about_ca_topic_score_gemma":0.001008652,"domain_scores_codex":[0.9996578,0.00006624318,0.00006515233,0.00006891446,0.00006273776,0.00007924203],"domain_scores_gemma":[0.9966713,0.001286703,0.001083323,0.0001492041,0.0001545237,0.0006549653],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0003000181,0.00003722693,0.9979467,0.000005494828,0.00002861702,0.0006733293,0.00005281179,0.0000237446,0.000222432,0.00001789004,0.00002362563,0.0006681385],"study_design_scores_gemma":[0.0000125668,0.0001919181,0.9974191,0.000004337257,0.00002209647,0.001914717,0.0002043059,0.0001206825,0.00002830592,0.00003498536,0.00004384533,0.000003113664],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9990442,0.0002951782,0.00004986508,0.00005517371,0.00001174947,0.000003585177,0.00004156279,0.000001840433,0.0004967465],"genre_scores_gemma":[0.9996357,0.00008583678,0.00003361048,0.00002794539,0.00004318112,0.000002712046,0.0001008548,0.000001482934,0.00006875303],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002471047,"threshold_uncertainty_score":0.008266509,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.003884564602168985,"score_gpt":0.2294856960256979,"score_spread":0.2256011314235289,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}