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. 2024 Dec 18;13(24):7726. doi: 10.3390/jcm13247726

Figure 1.

Figure 1

Figure 1

Figure 1

Supine, end-tilt, and delta stroke volume index (SVI) per heart rate cohorts of 5 bpm in ME/CFS patients, with a normal HR and BP response (A), with POTS (B) and in healthy controls (C). Heart rate cohorts of 5 bpm; ME/CFS: myalgic encephalomyelitis/chronic fatigue syndrome; SVI: stroke volume index; red bars ME/CFS patients with postural orthostatic tachycardia syndrome; green bars: ME/CFS patients with a normal HR and BP response; blue bars: healthy controls; delta: supine minus end-tilt data. BP: blood pressure; HR: heart rate; POTS: postural orthostatic tachycardia syndrome; EOS: end of study.