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The lung and fluid-electrolyte and acid-base imbalances
1Respiratory Care Service, Miami Valley Hospital, Dayton, Ohio.
The Nursing Clinics of North America
|December 1, 1987
Summary
The lungs play a crucial role in maintaining acid-base balance. This article explains how to interpret arterial blood gas results and manage imbalances, especially in chronic obstructive lung disease.
Area of Science:
- Pulmonary Physiology
- Acid-Base Homeostasis
Background:
- The lungs are critical regulators of acid-base balance through carbon dioxide excretion.
- Understanding this role is essential for clinical practice.
Purpose of the Study:
- To elucidate the lungs' contribution to acid-base regulation.
- To provide guidance on interpreting arterial blood gas (ABG) results.
- To discuss nursing interventions for acid-base imbalances.
Main Methods:
- Review of physiological mechanisms of respiratory acid-base control.
- Explanation of arterial blood gas interpretation.
- Discussion of clinical implications and nursing management.
- Case study analysis of chronic obstructive lung disease (COPD).
Main Results:
- The lungs significantly influence acid-base balance by altering ventilation to control partial pressure of carbon dioxide (PaCO2).
- Abnormalities in lung function, as seen in COPD, can lead to complex acid-base disturbances.
- Proper interpretation of ABG values is key to identifying respiratory and metabolic components of acid-base disorders.
Conclusions:
- Effective management of acid-base balance requires understanding respiratory contributions.
- Nurses play a vital role in assessing and intervening in acid-base imbalances.
- Clinical scenarios, like COPD, highlight the interplay between lung function and acid-base status.