ABG

1
ABG Compensation

• NURS 228 Complex Adult Nursing
• Spring 2009 Semester
• Tracy Heberlig, MSN, RN, CNE

2
Back to the Basics

• Key Players
• Normal Values

3
(No Transcript)
4
(No Transcript)
5
(No Transcript)
6
(No Transcript)
7
(No Transcript)
8
(No Transcript)
9
6 Steps of ABG Analysis

• Is the pH normal?
• Is the CO2 normal?
• Is the HCO3 normal?
• Match CO2 or HCO3 w/ pH
• Does CO2 or HCO3 go in opposite direction?
• Are pO2 and O2 sat normal?

10
Compensation
11

• Balance and Buffers
• Bodys way to balance the primary imbalance
• Partial vs. Full Compensation

12
Compensation

• What can the lungs do?
• How will this impact the pH?
• What can the kidneys do?
• How will this impact the pH?
• Who compensates more quickly?

13
Compensation

• Metabolic Acidosis
• Metabolic Alkalosis
• Respiratory Acidosis
• Respiratory Alkalosis

14
Oxygen Administration

• Room Air (RA) 21
• Administration at gt concentration than RA
• Variable affecting O2 transport
• Cardiac output
• Hgb
• Metabolic demand

15
Oxygen Administration

• Symptoms of Hypoxia
• Nursing Considerations
• O2 requires order
• Goal return to baseline
• Problems with excessive O2 use
• Safety

16
Oxygen Administration

• Methods of Delivery
• Nasal cannula
• Simple mask
• PRB
• NRB
• Venturi

17
Oxygen Administration

• Patent Airway Devices
• Nasal airway
• Oral airway
• ET tube
• Tracheostomy