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[Stewart's approach].

A Mercieri1, M Mercieri

  • 1U O Nefrologia e Dialisi, Ospedale di Seriate, Bergamo-Italy. mercangel@yahoo.com

Giornale Italiano Di Nefrologia : Organo Ufficiale Della Societa Italiana Di Nefrologia
|July 27, 2006
PubMed
Summary
This summary is machine-generated.

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Maintaining precise hydrogen ion (H+) concentration in blood plasma is crucial for human physiology. Understanding acid-base balance, regulated by carbon dioxide, strong ion difference, and weak acids, is vital for managing critically ill patients.

Area of Science:

  • Physiology
  • Biochemistry

Context:

  • Blood plasma hydrogen ion (H+) concentration is a critical physiological variable.
  • Acute alterations in H+ concentration can lead to severe cellular and systemic effects.
  • Acid-base physiology understanding is paramount for managing acute patient care.

Purpose:

  • To elucidate the key independent variables governing blood plasma pH.
  • To highlight the significance of Stewart's approach in acid-base balance.

Summary:

  • Blood plasma pH is regulated by three independent variables: carbon dioxide, the relative concentration of strong ions, and total weak acid concentrations.
  • Stewart's approach identifies these variables as the sole determinants of acid-base balance.
  • All fluctuations in blood pH are attributable to changes in these three factors.

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Impact:

  • Provides a foundational framework for understanding and managing acid-base disturbances.
  • Enhances clinical decision-making in critical care settings.
  • Facilitates a deeper comprehension of human physiological regulation.