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Metabolic Acidosis
Clinical Manifestations
- hyperkalemia: shift of acid to ICF and K+ to the ECF
- anorexia, nausea, and vomiting
- warm, flushed skin
- cardiac dysrhythmias & CNS dysfunction
- headache, diarrhea, tremors
Metabolic Alkalosis
Clinical Manifestations
- cardia dysrhythmias; seizures; confusion; muscle twitching, agitation
- >pH;>HC03; normal PaCo2 or elevated if compensation occurs
Respiratory Acidosis
Clinical Manifestations
- > PaCo2; HCO3 is normal or > with renal compensation
- vasodilatation; cardiac dysrhythmias, tachycardia, somnolence, decreased ventilation
Respiratory Alkalosis
Clinical Manifestations
- > pH; < PaC02; HCO3 normal or low due to compensation
- nausea, vomiting, tingling of fingers
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A client recovering from surgery in the post-anesthesia care unit (PACU) is difficult to arouse two hours following surgery. The nurse in the PACU has been administering Morphine Sulfate intravenously to the client for complaints of post-surgical pain. The client’s respiratory rate is 7 per minute and demonstrates shallow breathing. The patient does not respond to any stimuli! The nurse assesses the ABCs (remember Airway, Breathing, Circulation!) and obtains ABGs STAT!
The STAT results come back from the laboratory and show:
pH = 7.15
Pa C02 = 68 mmHg
HC03 = 22 mEq/L
Once you have interpreted the ABG results, click on one of the following links
Next Page
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