Fig 1.
Atrial time-volume curve and phasic volumes.
Conceptual illustration of the left atrial time-volume curve and phasic volumes as assessed in the present study.
Table 1.
Baseline participant characteristics.
Table 2.
Left ventricular and blood pressure responses to exercise.
Fig 2.
Atrial phasic contribution to LV stroke volume.
Percent contribution of atrial phasic volumes to left ventricular (LV) stroke volume at rest, light, and moderate intensity exercise in athletes without (EA), and with atrial fibrillation (EA-AF). Values placed between bars denote group comparison p-value.
Table 3.
Relative left atrial volumes (indexed to BSA) and atrial phasic function.
Fig 3.
Impact of atrial mechanics on exercise LV stroke volume.
Impact of left atrial (LA) mechanics on the stroke volume response to exercise. (Arrows indicate directional response in present study).