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.
We know how important your tax refund is to you. Good news, the IRS started processing tax returns on January 30th. Returns will be processed in the order they were submitted and as soon as your tax return is accepted, we will notify you by email.This notification could take up to 48 hours.The IRS estimates that you should receive your tax refund within 21 days of your return being accepted. The IRS issued more than 9 out of 10 refunds in less than 21 days last year and expects the same results this year.his notification could take up to 48 hours. The IRS estimates that you should receive your tax refund within 21 days of your return being accepted. The IRS issued more than 9 out of 10 refunds in less than 21 days last year and expects the same results this year.