How to Calculate Liter Flow and FiO2

Medictests.com Quick and Dirty Guide to FiO2% and Liter Flow Nasal Cannula Approximations : Rule of thumb 4% FiO2 for each liter 1L : 24% 2L: 28% 3L: 32% 4L: 36% 5L: 40% 6L: 44%   Simple masks, Trach masks deliver FiO2 of 40-50% with a minimum liter flow of 5-12 LPM. Do not use a simple mask with liter flow at lower than 5LPM because you need the pressure to be high enough to flush the...

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Congestive Heart Failure

MedicTests.com Quick and Dirty Guide to CHF and Pulmonary Edema HEART FAILURE means the heart is not pumping enough blood to keep the organs alive. Since its unable to pump the blood fast enough, the blood ON THE WAY TO THE HEART gets backed up in the veins. Reduced blood flow to the kidneys results in water retention. You end up with fluid in the lungs and edema on the body. This is a very...

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