The patient with congestive heart failure in the cardiac intensive care unit (CICU) is ordered to receive IV furosemide once per day. The lab just called and reported the patient’s serum potassium is 2.9 mEq/L. The next dose of furosemide is due now. Which is the appropriate nursing action?

The patient with angina and claudication with walking is prescribed isosorbide dinitrate (Isordil). The nurse bases medication teaching on which understanding of the drug's mechanism of action?

The patient is brought to the emergency department after sudden onset slurring of the words, confusion, and right-sided weakness that started 3 hours ago. Aspirin was given by emergency response. He has a history of diabetes mellitus, hypertension, and hyperlipidemia for which he is compliant with therapy. He smokes 2 packs of cigarettes per day. Upon assessment, the patient’s temperature is 37.4°C, heart rate is 118 bpm, and blood pressure is 204/118 mmHg.  A stat computed tomography (CT) scan shows an area of hyperechogenicity on the left side of the brain. The nurse prepares to provide which medication?