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Table 2 Ventilation and exhaled breath condensate pH during respiratory maneuvers

From: Effect of airway acidosis and alkalosis on airway vascular smooth muscle responsiveness to albuterol

Challenges

V̇ (L.min-1)

EBC pH (units)

Quiet breathing

14.4 ± 4.2

6.39 ± 0.14

Eucapnic hyperventilation

35.5 ± 3.4*

6.31 ± 0.08

Hypocapnic hyperventilation

35.2 ± 3.3*

6.59 ± 0.15**

Hypercapnic hyperventilation

24.4 ± 2.9*

5.88 ± 0.14**

  1. V̇, ventilation.
  2. EBC, exhaled breath condensate.
  3. *p < 0.05 vs. quiet breathing.
  4. **p < 0.02 vs. quiet breathing.