A patient has been taking furosemide 80 mg once daily for 4 weeks and returns for a follow-up visit. The primary care NP notes a blood pressure of 100/60 mm Hg. The patient's lungs are clear, and there is no peripheral edema
The patient's serum potassium is 3.4 mEq/L. The NP should: a. continue furosemide at the current dose.
b. decrease furosemide to 60 mg once daily.
c. increase furosemide to 80 mg twice daily.
d. change furosemide dose the 40 mg twice daily.
B
The major toxicities related to loop diuretics result from fluid and electrolyte imbalances. This patient has a low potassium level just under the lower limit, so a reduction in dose is indicated.
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