“Her oxygen numbers shifted twenty minutes ago,” Dr.

Vance said, taking a dark blue ballpoint pen from his breast pocket.

“Is she slipping again?” Kevin asked, his jaw tightening.

Dr.

Vance clicked his pen twice against the hard board.

“No, Mr.

Bennett.

Her oxygen saturation is back up to ninety-four percent, and we were able to lower the air pressure on the ventilator by two points.”