Mark Klimek Revised Notes
ACID BASE BALANCE
RULE OF THE B’S
1. If the pH and the Bicarb are in the same direction METABOLIC
2. If the pH and the Bicarb are in different directions RESPIRATORY
Examples:
pH 7.25 (v)
HCO3 20 (v)
Metabolic Acidosis
pH 7.21 (v)
HCO3 38 (^)
Respiratory Acidosis
pH 7.50 (^)
HCO3 30 (^)
Metabolic Alkalosis
pH 7.50 (^)
HCO3 25 (normal) Respiratory
Alkalosis (NORMAL)
SIGNS & SYMPTOMS
Know the principles, not the lists.
PRINCIPLE: “As the pH goes, so does my patient, except for potassium”
ALKALOSIS (^) ACIDOSIS (v)
Hyperreflexia Headache
Irritability Hyporeflexia
Tachypnea Bradycardia
Tachycardia Bradypnea
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