TY - CHAP M1 - Book, Section TI - The Athlete & the Heart A1 - Fernandez, Antonio B. A1 - Saucier, Stephanie A2 - Crawford, Michael H. Y1 - 2023 N1 - T2 - Current Diagnosis & Treatment: Cardiology, 6e AB - ESSENTIALS OF DIAGNOSISThe patient has an extensive history of exercise training.There may be profound sinus bradycardia, sinus arrhythmias, or atrioventricular conduction delays at rest that disappear with exertion.The athlete’s heart may demonstrate four-chamber enlargement and mild left ventricular hypertrophy, but normal diastolic function and B-natriuretic peptide levels. The diastolic wall-to-volume ratio should be < 0.15 mm/m2/mL by magnetic resonance imaging.Most morphologic changes reverse with detraining. SN - PB - McGraw Hill Education CY - New York, NY Y2 - 2024/04/24 UR - accessmedicine.mhmedical.com/content.aspx?aid=1198116338 ER -