Tachypnea and hypocapnia are induced by 'buffeting' in vehicles.
Normal physiological responses to vehicular buffeting were studied during a 5 minute mild 'off road' exposure in a motion simulator. The ride provoked an initial increase in heart rate and blood pressure and a significant hypocapnia of P(ET) CO(2) 34 mm Hg caused by tachypnea, which took 5 minutes to recover. Motion induced hypocapnia could be a source of distress for vulnerable subjects and patients when travelling.
Green
David Andrew
DA
Division of Neuroscience and Psychological Medicine, Imperial College London, Charing Cross Hospital Campus, Hammersmith, London, UK. david.green@imperial.ac.uk
Bray
Adam
A
Golding
John Foster
JF
Bronstein
Adolfo Miguel
AM
Gresty
Michael Andrew
MA
D000328:Adult; D002245:Carbon Dioxide / Q000378:metabolism; D005260:Female; D006339:Heart Rate / Q000502:physiology; D006801:Humans; D016857:Hypocapnia / Q000209:etiology* / Q000378:metabolism; D008297:Male; D008875:Middle Aged; D009038:Motion; D015541:Off-Road Motor Vehicles; D010313:Partial Pressure; D012120:Respiration Disorders / Q000209:etiology* / Q000378:metabolism; D014732:Vibration
D002245:Carbon Dioxide