nonrebreather

nonrebreather

[non′rēbrēth′ər]
a breathing system having one-way valves so that exhaled carbon dioxide is expelled from the system and not inhaled again.
References in periodicals archive ?
Over the next 5 days, the patient's oxygen saturation was kept above 90% with 8-10 L/min oxygen via nonrebreather mask.
On physical examination, the patient was cyanotic with a heart rate of 125beats/min, respiratory rate of 22/min, blood pressure of 82/50 mmHg, and oxygen saturation of 86% on room air and 95% on 15 liters nonrebreather oxygen mask.
Although she received broad-spectrum antibiotic drugs, her condition continued to deteriorate, and she required 100% fraction of inspired oxygen on a nonrebreather mask.
Her heart rate was 127 beats per minute (bpm) blood pressure was 78/46 mm/Hg and peripheral oxygen saturation was 89% with 10/L O2 via a nonrebreather mask.
On physical examination, he appeared cyanotic with altered mental status, and his blood oxygen saturation measured by pulse oximetry was 86% on 100% supplemental oxygen by nonrebreather mask.
One hundred percent oxygen via nonrebreather was applied with oxygen saturations of 99%, and administration of intravenous (IV) fluids was initiated.
She was placed on a nonrebreather mask at 15 L/min to maintain proper oxygen saturation.
Eight hours after the procedure, he became hypotensive (systolic blood pressure range: 70-80 mm Hg) and tachypneic (respiratory rate: 30-40/min) and mildly hypoxic (oxygen saturation on pulse oximetry: 94% on continuous oxygen via nonrebreather mask).
Four patients had been intubated by an emergency room physician after developing worsening hoarseness; 2 patients had been intubated after undergoing a change in mental status secondary to hypoxia (oxygen saturation: <80% on a 100% nonrebreather mask); 1 had been intubated after developing stridor; and 1 had been intubated for airway protection after she became increasingly anxious and agitated.
His initial vital signs were blood pressure of 110/62 mm Hg, pulse rate of 155, respiratory rate of 24, and oxygen saturation of 96% on a nonrebreather mask.
The gas must be delivered through a nonrebreather face mask, and patients must be warned about the flammability of pure oxygen.
The gas must be delivered through a nonrebreather face mask, and patients must be cautioned strongly about the highly flammable nature of pure oxygen.