Population
traumatic brain injury
Of the full population of 38 patients, 30 were eligible for final data analysis (Figure Short‐term heart rate variability (HRV) during head‐up tilt in patients with traumatic brain injury. (a) Flow‐chart of short‐term measurements. (b) HRV analysis of short‐term recordings from head‐up tilt, presented as the median with interquartile range with total power, SDNN, and RMSSD on a log‐scale for better visual presentation. There was a significant difference in total power (