The patient has been ordered to wear a Holter monitor for the next 24 hours. Which statement by the patient indicates a need for further teaching about the test?

A patient comes into the ER with HR 122 bpm, BP 110/72 mm Hg, Temp 99.4 F, and RR 22. They report a racing feeling in their heart and have also been experiencing diarrhea for the last several months. Which lab result does the nurse anticipate?

The patient is brought to the emergency department complaining of sudden onset crushing substernal chest pain. He is pale, diaphoretic, and can only speak in short sentences. His vital signs are notable for a heart rate of 118 bpm, respiratory rate of 22, and a blood pressure of 94/52 mmHg. Upon assessment, peripheral pulses are palpable but weak; lungs are clear; mild jugular venous distention is noted. The emergency medical services administered aspirin on arrival to the scene. The nurse anticipates performing which intervention first?