title: Post-Extrasystolic Transaortic Valve Gradients Differentiate "Pseudo" and "True" Low-Flow, Low-Gradient Severe AS During Dobutamine Stress Echocardiography.
authors.forename: Brandon M
authors.initials: BM
authors.lastname: Wiley
authors.forename: Ari
authors.initials: A
authors.lastname: Pollack
authors.forename: Ajay S
authors.initials: AS
authors.lastname: Vaidya
authors.forename: Sunil K
authors.initials: SK
authors.lastname: Agarwal
authors.forename: Partho P
authors.initials: PP
authors.lastname: Sengupta
authors.forename: Farooq A
authors.initials: FA
authors.lastname: Chaudhry
mesh_terms: D058665:Adrenergic beta-1 Receptor Agonists / Q000008:administration & dosage*; D000368:Aged; D000369:Aged, 80 and over; D001021:Aortic Valve / Q000000981:diagnostic imaging* / Q000503:physiopathology; D001024:Aortic Valve Stenosis / Q000000981:diagnostic imaging* / Q000503:physiopathology; D005117:Cardiac Complexes, Premature / Q000000981:diagnostic imaging* / Q000503:physiopathology; D003937:Diagnosis, Differential; D004280:Dobutamine / Q000008:administration & dosage*; D025401:Echocardiography, Stress / Q000379:methods*; D005260:Female; D006439:Hemodynamics; D006801:Humans; D008297:Male; D011237:Predictive Value of Tests; D011379:Prognosis; D012189:Retrospective Studies; D012720:Severity of Illness Index; D013318:Stroke Volume; D016277:Ventricular Function, Left
chemical_list: D058665:Adrenergic beta-1 Receptor Agonists; D004280:Dobutamine