DUBLIN, Ireland -- A doctor based in Dublin, Ireland, has debunked the idea that a face mask lowers oxygen levels. In fact, he's shown that even wearing several has no effect. This video shows Maitiu ...

Dear Doctors: I get crushing headaches every fall, which I’ve always assumed are part of having allergies. But a specialist at our local medical center diagnosed me with cluster headaches. She says ...

Preoxygenation with a bag-valve-mask device did not reduce the risk for hypoxemia compared with preoxygenation with a face mask during emergency tracheal intubation in the emergency department (ED) or ...

Among critically ill adults undergoing tracheal intubation, hypoxemia increases the risk of cardiac arrest and death. The effect of preoxygenation with noninvasive ventilation, as compared with ...

You should know the safety spiel well by now – “In the event of emergency, put your oxygen mask on first.” But have you ever wondered why the cabin crew is so careful to hammer this information into ...