An 85-year-old resident with heart failure and hypertension is taking furosemide, lisinopril, and metoprolol. A routine lab draw shows a potassium level of 2.9 mEq/L (Reference range: 3.5-5.2 mEq/L). Which physical sign or symptom is MOST important for the consultant pharmacist to recommend assessing for, given this lab value?
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A
A persistent dry cough
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B
Muscle weakness and cramping
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C
Bradycardia below 60 bpm
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D
Ankle edema