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Acid Base Balance - Trish
Acid Base Balance - Trish
17
Nursing
Undergraduate 2
10/06/2013

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Cards

Term
pH
Definition
Percentage of Hydrogen ions (H) in a solution
Term
Basic pH
Definition
pH higher then 7 Fewer Hydrogen ions
Term
Acid pH
Definition
PH Lower then 7 More Hydrogen ions
Term
Arterial blood pH
Definition
7.35 to 7.45
Term
Fatal pH
Definition
pH < 6.8 or > 7.8
Term
Respiratory System and pH balance
Definition
Chemoreceptors in the medulla of brain sense pH changes and vary the rate and depth of breathing to compensate for pH changes
Term
How an increase in CO2 effect pH balance
Definition
The lungs combine CO2 with water to form carbonic acid. Carbonic Acid leads to a decrease in pH
Term
Increase Breathing and CO2
Definition
Causes a decrease in CO2 Causes an increase in the pH level. hyperventiliation
Term
Decrease Breathing and CO2
Definition
Causes a increase in CO2 Causes a decrease in pH level hypoventiliation Remember (Carbonic Acid - more acidic)
Term
Kidneys and pH level
Definition
Kidneys can retain or eliminate bicarbonate (HC03) Normal Level of (H303) is 22 to 26 Detect to much CO2 the kidneys will save bicarb to balance us out.
Term
Respiratory Acidosis or Alkalosis
Definition
Caused by faulty breathing
Term
Metabolic Acidosis or Alkalosis
Definition
Caused by vomiting, diarrhea, diabetes, ineffective bicarbonate buffering, kidney disorders
Term
Causes of Metabolic Acidosis
Definition
Diarrhea - (base is excreted)
Term
Causes of Metabolic Alkalosis
Definition
Vomiting - (acid thrown off)
Term
Arterial Blood Gas (picture)
Definition
[image]
Term
Normal Arterial Blood Gases
Definition
PH 7.35 7.45  
PaCO2 34 45 mm Hg
HCO3 22 26 mEq/L
PaO2 80 100 mm Hg
SaO2 95 100 %
Term

Normal ABG

Arterial Blood Gases

Definition
PH 7.35 - 7.45
PaCO2 34 45 mm Hg
HCO3 22 26 meq/L
PaO2 80 100mm Hg
SaO2 95 100%
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