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The effects of increased gas density on pulmonary mechanics
nitrogen human neon pulmonary respiratory Helium Work of Breathing
2009/7/20
The effects of increased gas density on pulmonary mechanics.
Influence of hydrostatic compression of the chest and intrathoracic blood pooling on static lung mechanics during head-out immersion
human immersion intrathoracic blood pooling respiratory
2009/7/20
The effect of water immersion on static lung volumes and pressure-volume curves was studied in five subjects. A special container allowed measurements during nonimmersion, head-out immersion, and thor...
Pulmonary mechanics and atelectasis during immersion in oxygen-breathing subjects
human Pulmonary mechanics atelectasis oxygen immersion
2009/7/14
It has been suggested that vital capacity (VC) reduction seen during head-out immersion and oxygen breathing is due to atelectasis formation. In this study VC was reduced in 8 healthy subjects by 8.7p...
Adaptations to deep breath-hold diving: respiratory and circulatory mechanics
nitrogen breath-hold respiratory circulatory
2009/7/9
Respiration and circulation in diving mammals are characterized by interrelated adaptations of structure, function, and behavior that are incompletely described and understood. This speculative survey...
Static lung load and posture effects on pulmonary mechanics and comfort in underwater exercise
exercise pulmonary work of breathing position immersion
2009/7/8
Static lung load (SLL), or transrespiratory pressure gradient, imposed by underwater breathing apparatus can affect breathing comfort and mechanics, especially during exertion. We examined the effects...