A 35-year-old patient is brought to the emergency department with sudden onset of difficulty breathing and inability to speak. The patient is making a high-pitched noise while attempting to breathe and appears distressed. Which of the following interventions should the emergency nurse perform first?
Prepare for immediate intubation
Administer high-flow oxygen
Initiate cardiopulmonary resuscitation (CPR)
Perform the Heimlich maneuver