Chapter 048. Acidosis and Alkalosis (Part 2) pot

Acidosis and Alkalosis Part 2 Table 48-1 Prediction of Compensatory Responses on Simple Acid-Base Disturbances and Pattern of Changes Range of Values Compensation – Pa CO2 Metab

Chapter 048 Acidosis and

Alkalosis

(Part 2)

Table 48-1 Prediction of Compensatory Responses on Simple Acid-Base Disturbances and Pattern of Changes

Range of Values

Compensation

–

Pa CO2

Metabolic PaCO2= (1.5 x Low Low Low

HCO3

-) + 8 ± 2

or

PaCO2 will 1.25 mmHg per mmol/L in [HCO3-]

or

acidosis

PaCO2 = [HCO3 -] + 15

Metabolic

alkalosis

PaCO2 will 0.75 mmHg per mmol/L in [HCO3

-]

High High High

or

PaCO2 will 6 mmHg per 10 mmol/L

in [HCO3-]

or

PaCO2= [HCO3-] + 15

Respiratory

alkalosis

Acute [HCO3-] will

0.2 mmol/L per

High Low Low

mmHg in PaCO2

Chronic [HCO3-] will

0.4 mmol/L per mmHg in PaCO2

Respiratory

acidosis

Acute [HCO3

-] will 0.1 mmol/L per mmHg in PaCO2

Chronic [HCO3-] will

0.4 mmol/L per mmHg in PaCO2

Low High High