Table II:

Left ventricular strain parameters in normoxia and hypoxia (n = 10). Values represent Mean ± SEM.

	Normoxia (21% O2)	Hypoxia (12% O2)	% Change	p-value
Mean peak circumferential strain (%)	−12.66 ± 0.43	−12.82 ± 0.32	1.77 ± 2.43	0.8457
Circumferential systolic strain rate (%/s)	−62.74 ± 2.27	−59.26 ± 2.13	−4.92 ± 3.53	0.2324
Circumferential diastolic strain rate (%/s)	82.91 ± 3.13	78.61 ± 4.78	−5.50 ± 3.71	0.2754
Mean peak radial strain (%)	10.73 ± 0.81	11.60 ± 0.71	12.43 ± 9.66	0.2754
Radial systolic strain rate (%/s)	52.80 ± 3.36	55.76 ± 4.21	10.17 ± 11.54	0.5566
Radial diastolic strain rate (%/s)	−52.44 ± 3.56	−45.60 ± 5.51	−8.31 ± 14.04	0.4316
Peak rotation (degrees)	4.62 ± 0.44	6.06 ± 0.41	42.34 ± 19.24	0.0059
Peak torsion (degrees/distance)	7.10 ± 0.60	8.79 ± 0.57	34.06 ± 18.13	0.0371