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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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An infant, three weeks old, is admitted to the Emergency Room. The mother reports that the infant has been irritable, difficult to breastfeed and has had diarrhea for the past 4 days. The infant’s respiratory rate is elevated and the fontanels are sunken. The Emergency Room physician orders ABGs after assessing the ABCs.
The results from the ABGs come back from the laboratory and show:
pH = 7.37
Pa C02 = 29 mmHg
HC03 = 17 mEq/L
Once you have interpreted the ABG results, click on one of the following links
Next Page
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