The advantages of nasal cannulas for patients who have chronic stable respiratory problems is that it is possible to eat, drink and talk while using them; they also reduce the risk of carbon dioxide rebreathing. Dry nasal passages can be a problem initially but with continued use this usually resolves itself.hey deliver oxygen in a variable manner; this means the amount of oxygen inspired depends on the patientâs breathing rate and pattern. For this reason they are not suitable for use in the acute phase of illness with patients who need controlled oxygen therapy.
The length of time it takes to get a Louisiana State refund from an  e-filed return can vary. As of February 2014, the state stated  e-filed returns may take around 21 days â¦ for processing. 2 people found this useful.
After you file your taxes how long does it take to get your tax refund? How long does it take to get a tax refund e-file? How long did it take you to receive your tax refund check after it had been mailed?