respiratory distress
respiratory failure

And the third time was when he was in respiratory distress.

She's in the hospital with a high fever and respiratory distress.

In 1963, President Kennedy's second son was born at 34 weeks and died two days later of respiratory distress.

If left untreated, patients may suffer from respiratory distress, which can lead to death.

These systems may not be appropriate for unconscious patients or those in respiratory distress, because of the effort required to breathe from them.

Those born premature are more likely to suffer from respiratory distress.

He could make himself appear to be in respiratory distress by hyperventilating.

Her respiratory distress, instead of subsiding, seemed to be getting worse.

"If you were in respiratory distress, would you want me to be there a minute later?"

A rare but potentially lethal side effect is respiratory distress.