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A patient's ABG shows: pH 7.32. PaCO2 50 mmHg. HCO3 24 mEq/L. What is the correct diagnosis?

A.

Metabolic acidosis

B.

Respiratory acidosis

C.

Respiratory alkalosis

D.

Metabolic alkalosis

Answer and Explanation

The Correct Answer is B

A. Metabolic acidosis would be indicated by a low pH and a low HCO3, which is not present in this case since HCO3 is normal.  

 

B. The pH of 7.32 indicates acidemia, and a PaCO2 of 50 mmHg suggests respiratory acidosis as the body is retaining carbon dioxide, contributing to the low pH. The HCO3 is normal, indicating that there is no metabolic compensation occurring.  

 

C. Respiratory alkalosis would show a high pH and low PaCO2, which is not the case here.  

 

D. Metabolic alkalosis would present with a high pH and elevated HCO3, which is also not present in these ABG results.


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View Related questions

Correct Answer is A

Explanation

A. Administering hypertonic saline (3% NaCl) is appropriate for treating severe hyponatremia, as it helps to raise sodium levels safely. Restricting water intake is also necessary to prevent further dilution of sodium.

B. Fluid restriction with a loop diuretic may not be effective in this scenario and can worsen the hyponatremia by causing further fluid loss without addressing the sodium levels.

C. Isotonic saline is not indicated for correcting severe hyponatremia, and encouraging oral fluid intake could exacerbate the condition.

D. Increasing oral sodium intake is not sufficient for immediate correction of severe hyponatremia and does not address the acute nature of the client’s symptoms.

Correct Answer is D

Explanation

A. Increasing the infusion rate may exacerbate the patient's symptoms and does not address the potential toxicity from the furosemide.

B. Normal potassium levels indicate that potassium supplementation is unnecessary and does not address the dizziness and ringing in the ears, which could suggest ototoxicity from furosemide.

C. While reassurance can help, the patient's symptoms indicate a potential adverse reaction to the medication that should not be ignored.

D. Stopping the furosemide infusion and notifying the provider is the most appropriate action due to the risk of ototoxicity and the need for further evaluation of the patient's symptoms.

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