Breathing pattern of kittens during hypoxia.

  title={Breathing pattern of kittens during hypoxia.},
  author={Carlos E. Blanco and Marc A Hanson and Peter V Johnson and Henrique Rigatto},
  journal={Journal of applied physiology: respiratory, environmental and exercise physiology},
  volume={56 1},
In 19 pentobarbital sodium-anesthetized kittens aged 5-34 days, inspired O2 was reduced from 21 to 6-12%. Respiratory frequency (f) and tidal volume (VT) increased within 30 s. Over 5 min f fell to about 60% below control; VT usually fell but remained above control. Arterial pressure fell in 80% of trials, sometimes before f fell. Arterial CO2 was below control, but raising inspired CO2 to keep expired CO2 at control did not prevent the fall in f and VT. The relation between VT and esophageal… CONTINUE READING
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