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 potassiumâ€Â
ALKALOSIS (^) ACIDOSIS (v)
Hyperreflexia Headache
Irritability Hyporeflexia
Tachypnea Bradycardia
Tachycardia Bradypnea