Figure 10From: Diastolic time – frequency relation in the stress echo lab: filling timing and flow at different heart rates Exercise stress, controls vs. patients. Systolic/diastolic ratio plotted against heart rate in 17 controls (NL, left upper panel) and in patients groups during exercise stress. At each stage of exercise inter-group comparison was performed and significant differences (p < 0.05) are displayed with symbols: * = significant differences between controls and patients groups.Back to article page