The nurse is assigned to a patient who is suffering from acute pericarditis. The patient suddenly becomes hypotensive with signs of peripheral vascular insufficiency. On exam, the patient has significant jugular venous distention and muffled heart sounds. Which statement best describes the pathophysiology of this patient’s condition?

Following an explosion at a factory, the patient is brought by ambulance to the emergency department. The patient has soot on the face and around the mouth and is coughing up black sputum. He verbalizes severe pain in his leg and his voice is noted to be a hoarse whisper. Further assessment reveals full thickness burns to the arms and hands and partial thickness burns to the legs. Shrapnel appears to have been embedded in the patient’s thigh. While moving the leg to assess the inner thigh, a piece of shrapnel shifts and the patient begins bleeding profusely from the wound. The patient cries out in pain and requests pain relief. Which action does the nurse take first?

The neonate born at 34-weeks estimated gestational age had Apgar scores of 3 and 7 at 1 and 5 minutes, respectively and is taken to the nursery for observation due to a need for continuous positive airway pressure (CPAP). Significant oral secretions are noted and an orogastric tube is unable to be placed because it meets resistance and comes back out the mouth. The nurse suspects which condition?