Table 1.
Resting BH | Resting FB | Exercise | |
---|---|---|---|
Heart rate (1/min) | 71.2±12.8 | 69.2±12.1 | 111.4±18.4*† |
Respiratory rate (1/min) | - | 17.5±4.6 | 28.0±13.1† |
Cardiac cycles per respiratory cycle | - | 4.2±1.3 | 4.4±1.1 |
Ao flow (L/min/m2) | 3.3±1.0 | 3.4±0.8 | 6.0±1.6*† |
DAo flow (L/min/m2) | 1.7±0.4 | 1.7±0.4 | 3.8±0.9*† |
IVC flow (L/min/m2) | 1.5±0.6 | 1.6±0.5 | 3.9±0.8*† |
SVC flow (L/min/m2) | 0.5±0.2 | 0.6±0.2 | 1.0±0.6*† |
Qs = SVC + IVC flow (L/min/m2) | 2.0±0.7 | 2.1±0.6 | 4.8±0.8*† |
p<0.05 in comparison with the breath holding condition;
p<0.05 in comparison between the resting FB and exercise conditions