Beat-to-beat variability of echocardiographic measurements of left ventricular end diastolic diameter and performance.
D001281:Atrial Fibrillation / Q000473:pathology / Q000503:physiopathology*; D002306:Cardiac Volume; D003971:Diastole; D004452:Echocardiography; D006321:Heart / Q000033:anatomy & histology / Q000502:physiology*; D006339:Heart Rate; D006352:Heart Ventricles / Q000033:anatomy & histology; D006801:Humans; D009200:Myocardial Contraction; D013599:Systole; D016276:Ventricular Function