|
Imbalance |
Causes |
Assessment findings |
Nursing Interventions |
|
Metabolic acidosis Primary ¯ in concentration of base bicarbonate in extracellular fluid, ¯ pH and bicarbonate, (¯ CO2 if lung compensation) |
Diabetic ketoacidosis, uremia, starvation, diarrhea, severe infections, renal tubular acidosis |
Headache, nausea/vomiting, weakness lethargy, disorientation, tremors, convulsions, coma |
Admin sodium bicarbonate as ordered, monitor for signs of hyperkalemia. Provide Alkaline mouthwash (baking soda & water) to neutralize acids, lubricate lips to prevent dryness from hyperventilation. Measure I&O, seizure precautions, monitor arterial blood gasses and electrolytes. |
|
Metabolic alkalosis Primary ^ of base bicarbonate in extracellular fluid, ^ pH and bicarbonate,( ^ CO2 if lung compensation) |
Severe vomiting, NG suctioning, diuretic therapy, excessive ingestion of sodium bicarbonate, biliary drainage |
Nausea vomiting, diarrhea, numbness & tingling of extremities, tetany, bradycardia, decreased respirations |
Replace fluid and electrolyte losses (potassium & Chloride), seizure precautions, I &O, assess 4 hypokalemia, monitor arterial blood gasses and electrolytes. |
|
Respiratory acidosis Primary ^ of carbonic acid in extracellular fluid, ¯ pH, ^ CO2 (and bicarbonate if renal compensation ^) |
COPD, barbiturate or sedative OD, acute airway obstruction, weakness of respiratory muscles |
HA, weakness, visual disturbances, rapid respirations, confusion, drowsiness, tachycardia, coma |
Semi Fowlers, patent airway, TCDB, postural drainage, admin fluids to help liquefy secretions (unless contraindicated), admin low concentration oxygen therapy, , monitor arterial blood gasses and electrolytes., prophylactic antibiotics as ordered. |
|
Respiratory alkalosis Primary ¯ of carbonic acid in the extracellular fluid, ^ pH, ¯ CO2 (and bicarbonate if renal compensation) |
Hyperventilation, mechanical over ventilation, encephalitis |
Numbness and tingling of mouth and extremities, inability to concentrate, rapid respirations, dry mouth coma |
Reassure, encourage breathing into bag, or holding breath, adequate rest, sedation as ordered, monitor mechanical ventilation, monitor arterial blood gasses and electrolytes. |