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.
How long will your tax refund take and how much will you get back? The IRS started accepting returns on January 20, but refunds may take longer than normal this year.If you havenât filed yet, get an idea of how much your refund check will be for with the tax refund calculator below.Time to go shopping. Finally got my Tax Refund.he IRS started accepting returns on January 20, but refunds may take longer than normal this year. If you havenât filed yet, get an idea of how much your refund check will be for with the tax refund calculator below. Time to go shopping. Finally got my Tax Refund.