A nurse is assessing an older adult admitted with worsening…

A nurse is assessing an older adult admitted with worsening shortness of breath and a history of heart failure. The patient reports needing to sleep on two pillows and has gained 2.5 kg over the past week. Which assessment finding most strongly supports a diagnosis of fluid volume excess?

A nurse is reviewing morning laboratory results for a patien…

A nurse is reviewing morning laboratory results for a patient admitted with generalized weakness and palpitations. The patient’s potassium level is 2.9 mEq/L. Based on the nurse’s understanding of potassium’s primary physiologic role, which potential complication is the priority concern?