Accurate diagnosis of myalgic encephalomyelitis and chronic fatigue syndrome based upon objective test methods for characteristic symptoms

Table 5 Adverse effects of a CPET (CPET1) on the performance levels at a second CPET (CPET2) 24 h later: An example

	CPET Day 1	CPET Day 2
Rest
Heart rate	88	80
Oxygen uptake (VO2min)	6	6
Anaerobic threshold
Heart rate (HR AT)	105	89
Oxygen uptake (VO2 AT)	11	9
Workload (W AT)	54	35
Exhaustion
Heart rate (HRmax)	151	131
Oxygen uptake (VO2max)	23	22
Workload (Wmax)	159	133

CPET: Cardiopulmonary exercise testing.