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tube oxygen lungs face mask airway breathing trachea neck machine medical surgery ICU care unit ARDS Acute edema nursing suction catheter injury stoma disease coma obstructive sleep apnea blocked 19
Oxygen mask on patient's face
Asthmatic patient catching inhaler having an asthma attack. Young woman having asthma, chronic obstructive pulmonary disease
Man doing the Heimlich maneuver to an old man with suffocation due to obstruction of the airway with food
Experienced ophthalmologist using a syringe to remove a tear duct obstruction on a patient in a contemporary medical facility

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