In other acute situations patients may need a higher concentration of oxygen and a non-rebreathe mask or simple oxygen mask is often used. Flow rates of 1-4 litres per minute are used with nasal cannulas, equating to a concentration of approximately 24-40% oxygen.Flow rates of up to 6 litres can be given but this will often cause nasal dryness and can be uncomfortable for patients (British Thoracic Society, 2008).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.
If you paper file, it will take three to four weeks for the IRS to process the return and acknowledge your refund. If you e-file, you will get a notice of arrival within 24 hours and confirmation of refund within 72 hours.
The IRS plans to start processing tax refunds Jan. 20, 2015. If you're expecting a tax refund, every day you wait to file is another day you have to wait to get back money that's rightfully yours. Tax refund schedule basics There are two main factors that affect how long it takes to receive your tax refund: How you filed your taxes; How you elected to receive your tax refund; The IRS will send you your tax refund after you submit your taxes and they are processed. If you mail your taxes, it can take three to four weeks for the IRS to process them and send you your tax refund. If you submit your taxes online, it only takes the IRS a few days to process them and send you your tax refund.