Table 1.

Hemodynamic and gas exchange variables at rest and during exercise (n =61)

	Baseline	Peak exercise
VO2 (mL min−1 kg−1)	4.3 ± 1.3	19.0 ± 5.9
HR (beats min−1)	80 ± 17	124 ± 26
SV (mL)	62 ± 14	87 ± 23
Q (L min−1)	4.9 ± 1.5	10.9 ± 4.1

VO₂ oxygen uptake, HR heart rate, SV stroke volume, Q Cardiac Output