Glossopharyngeal Insufflation and Breath-Hold Diving: The More, the Worse? Alain Boussuges, MD, PhD, Olivier Gavarry, PhD, Jacques Bessereau, MD, Mathieu.

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Presentation transcript:

Glossopharyngeal Insufflation and Breath-Hold Diving: The More, the Worse? Alain Boussuges, MD, PhD, Olivier Gavarry, PhD, Jacques Bessereau, MD, Mathieu Coulange, MD, PhD, Morgan Bourc’his, MS, Pascal Rossi, MD, PhD Wilderness & Environmental Medicine Volume 25, Issue 4, Pages 466-471 (December 2014) DOI: 10.1016/j.wem.2014.04.010 Copyright © 2014 Wilderness Medical Society Terms and Conditions

Figure 1 Time course of (a) cardiac output, (b) mean blood pressure, and (c) systolic peak flow velocity of the mean cerebral artery during apnea performed after a deep breath (100% of vital capacity [solid line]) or after lung packing (100% of vital capacity plus lung packing [dashed line]) in diver 1. Vertical dotted lines indicate the beginning and end of apneas (0 to 240 s). Base, baseline; Rec, measurement performed during recovery 1 minute after the end of apnea. Wilderness & Environmental Medicine 2014 25, 466-471DOI: (10.1016/j.wem.2014.04.010) Copyright © 2014 Wilderness Medical Society Terms and Conditions

Figure 2 Time course of (a) cardiac output, (b), mean blood pressure, and (c) systolic peak flow velocity of the mean cerebral artery during apnea performed after a deep breath (100% of vital capacity [solid line]) or after lung packing (100% of vital capacity plus lung packing [dashed line]) in diver 2. Vertical dotted lines indicate the beginning and end of apneas (0 to 240 s). Base, baseline; Rec, measurement performed during recovery 1 minute after the end of apnea. Wilderness & Environmental Medicine 2014 25, 466-471DOI: (10.1016/j.wem.2014.04.010) Copyright © 2014 Wilderness Medical Society Terms and Conditions