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Study Guide

NURS 2230- Midterm Exam Guide - Comprehensive Notes for the exam ( 34 pages long!)


Department
Nursing
Course Code
NURS 2230
Professor
Stacey Hoffman Barone
Study Guide
Midterm

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BC
NURS 2230
MIDTERM EXAM
STUDY GUIDE

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ABGs, Chest Tubes, Chest Surgery
(Thoratecomy )
Wednesday, February 3, 2016
8:56 AM
ARTERIAL BLOOD GASES: taken from an artery not a vein - only taken if it is an emergency -
hypoxic
Radial pulse - blood gas syringe with heparin - needle goes in where pulse is - syringe draws it
self (don’t need to pull back) bright color - hold site for 5 minutes and the ARB send down STAT
on ice b/c ice stops the metabolic process and the one other thing is: how much 02 is the patient
on? 2L on NS
NG tube - losing acid - METABOLIC ALKALOSIS
Draining ABG
Provides info on O2 sat and acid and base balance
O2 sat - 90% - pO2- 60%
75% - 40%
pH (acid, alkaline, normal)
Normal pH: 7:35- 7:45
.1 range of normal is small - why are we concerned? 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
HCO3 - metabolic number
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
The problem is a metab
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PH normal 2 other are wacky - fully compensated
pCO trying to decrease/increase depending on HCO - partially compensated
Non - compensated
pH: 7.32
(acid)
pCO2: 38
(normal)
HCO3: 18
(acid)
pO2: 45
(met acidosis )
pH: 7.52
(alkaline)
pCO2: 30
(alkaline)
HCO2: 23
(normal)
pO2: 94
Why? Because the
first two match
(uncompensated
respiratory
alkalosis)
pH: 7.50
(alkaline)
pCO2: 50
(acid)
HCO2:30
(alkalosis)
pO2: 85
(partially metabolic
alkalosis)
pH: 7.30
(acid)
pCO2: 60
(acid)
HCO2: 28
(alkaline)
PO2: 70
(partially compensated respiratory
acidosis)
pH: 7.43 pCO2: 29 HCO3: 20 pO2:104
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