Fig. 1From: Impaired parasympathetic function in long-COVID postural orthostatic tachycardia syndrome – a case-control studyValsalva ratio and Valsalva metrics analysis. The panel illustrates VM2e drop (lowest SBP in VM2e – SBP Baseline). VM2l rise (highest SBP VM2l - lowest SBP VM2e). VM4 overshoot (highest SBP VM4 – SBP Baseline). LCP indicates Long-COVID POTS. Values are means ± SEM. Significance values were obtained using Student’s t-test or Mann-Whitney testBack to article page