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Acid-Base Balance

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by

Greg Carter

on 3 February 2016

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Transcript of Acid-Base Balance

Values
Ph: 7.35-7.45
PaCO2: 35-45
PaO2: 80-100
O2 Sat.: 95-99%
Remember: ROME
Respiratory Opposite
Metabolic Equal (same)
Metabolic Acidosis
Low
Ph
Low
HCO3
Acid-Base Balance
What is it, and who are the main players?
Respiratory Acidosis
Low Ph
High Co2

Result of Hypoventilation, why?
Acid-Base Balance
B260

ABG
Arterial Blood Gas analysis is the most effective and common method of acid-base balance evaluation
Types of Imbalances
Respiratory Acidosis
Respiratory Alkalosis

Metabolic Acidosis
Metabolic Alkalosis
Respiratory Alkalosis
High Ph
Low Co2

Deep, rapid breathing, why?
Metabolic Alkalosis
High PH
High HCO3
What is the Allen's Test?
From Before:

Respiratory Acidosis:
LOW
ph
HIGH
CO2
Respiratory Alk.:
HIGH
ph
LOW
CO2

Metabolic Acidosis:
LOW
ph
LOW
HCO3
Metabolic Alk:
HIGH
ph
HIGH
HCO3
Who is in control?
Respiratory controls CO2
Too little CO2: retained
Too much CO2: blown off
response is QUICK 1-3 minutes

Kidneys control HCO3
Too much base= excretion
Too little base= retention
Response is SLOW take hours-days....
Is pH high? Alkalosis
Is pH low? Acidosis

Remember:
ROME
Full transcript