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? 

The nurse is providing safety teaching to the woman who has just tested positive for human chorionic gonadotropin. Which statement by the woman indicates the teaching was successful?

The 3-day-old full-term neonate has yet to pass meconium and is experiencing significant abdominal distention. The child is otherwise healthy and is not requiring respiratory support. The nurse learns that Hirschsprung disease is suspected and prepares the patient for which test that will definitively diagnose the condition?