Respuesta :
Oxygen that is administered through a nasal cannula would be of the least benefit to a patient who breathes through his or her mouth.
Nasal cannula deliver oxygen in a variable manner this means the amount of oxygen inspired depends on the patient's breathing rate and pattern. they are very not suitable for use in the acute phase of illness with patients who need controlled oxygen therapy.
Several drawbacks are associated Nasal cannula devices, which may limit efficacy and tolerance of oxygen delivery. Usually, oxygen is not humidified at low flow, it causes dry nose, dry throat, and nasal pain. Nasal Cannula therapy may be contraindicated for Patients with nasal blockage. Patients with facial injuries that would preclude the use of a Nasal cannula. Patient who will not leave the nasal cannula in place. To treat hypoxia and hypoxemia.
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