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Table 3 Numbers of patients met criteria for acute respiratory failure

From: Physiological impact of high-flow nasal cannula therapy on postextubation acute respiratory failure after pediatric cardiac surgery: a prospective observational study

Reason n (%)
Tachypnea 7 (35)
Hypoxemia 6 (30)
Hypercapnia 8 (40)
Using accessory respiratory muscle 20 (100)