NURS 2230- Midterm Exam Guide - Comprehensive Notes for the exam ( 34 pages long!)
12 Oct 2017
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Arterial blood gases: taken from an artery not a vein - only taken if it is an emergency - hypoxic. Ng tube - losing acid - metabolic alkalosis. Provides info on o2 sat and acid and base balance. When ph gets out of range - enzymes do not work - heart doesn"t work as effectively and muscles don"t work effectively. Normal blood gas or a compensated blood gas. What is causing the problem? pco2 - respiratory number (35-45) more of it more acid and less of it more alkaline. Carbon dioxide (bicarbonate) (22-26) low is acid high is alkaline. If the problem is acid the body is trying to hold onto alkaline. If the problem is alkaline the body is trying to hold onto acid. If the cause is respiratory - the only way to fix it is metabolic. If the cause is metabolic -the only way to fix it is respiratory.
