{"id":"W2984760117","doi":"10.1161/circimaging.117.007035","title":"Preload Stress Echocardiography","year":2017,"lang":"en","type":"letter","venue":"Circulation Cardiovascular Imaging","topic":"Cardiac Valve Diseases and Treatments","field":"Medicine","cited_by":4,"is_retracted":false,"has_abstract":true,"ca_institutions":"Institut universitaire de cardiologie et de pneumologie de Québec","funders":"Canadian Institutes of Health Research","keywords":"Medicine; Preload; Cardiology; Stress Echocardiography; Internal medicine; Hemodynamics; Coronary artery disease","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":{"n_in":0,"stratum":"aff_core","weight":5595.2375,"opus":{"tier":"OUT","genre":"editorial/commentary","about_ca":false,"confidence":"high","reason":"Letter commenting on a clinical proof-of-concept echocardiography study; object is a clinical technique."},"gpt":{"tier":"OUT","genre":"editorial/commentary","about_ca":false,"confidence":"high","reason":"This letter comments on a clinical echocardiography study rather than studying research."},"grok":{"tier":"OUT","genre":"editorial/commentary","about_ca":false,"confidence":"high","reason":"Clinical letter on preload stress echocardiography as a diagnostic technique, not metaresearch."}}}