The 50-year-old previously healthy patient complains of shortness of breath, especially on exertion or when laying down to sleep. She takes over-the-counter allergy medicine for seasonal allergies and melatonin to help her sleep sometimes. Her vital signs are heart rate of 64 bpm, respirations 22, oxygen saturation 99%, and blood pressure 114/68 mmHg. Her assessment is notable for crackles over the bilateral lung bases and a moderate diastolic apical murmur. The nurse prepares the patient for which initial tests? Select all that apply. 

A school nurse is caring for an elementary school student who is gasping for breath after being stung by a bee. The child's airway is currently patent and heart rate is 100 bpm. No epinephrine or advanced airway is available. Which intervention is appropriate?

The nurse is attempting to perform an electrocardiogram on a patient. The machine alerts the nurse that the V1, V4, and V5 electrodes are not picking up correctly. The nurse adjusts the leads in which locations? Select all that apply.