title: [Contractility and relaxation reserve of the left ventricle during physical exertion].
mesh_terms: D006801:Humans; D009126:Muscle Relaxation; D009200:Myocardial Contraction; D005082:Physical Exertion; D016276:Ventricular Function
vernacular_title: Kontraktilitäts- und Relaxationsreserve des linken Ventrikels während körperlicher Arbeit