A 69-year-old female presents with a sudden onset of shortness of breath that woke her from her sleep. She is conscious, but anxious, and is coughing up pink sputum. She can only speak in two-word sentences and has cyanosis to her face. Her BP is 170/90 mm Hg, pulse rate is 130 beats/min, and respirations are 28 breaths/min. What should you do?
A. Establish vascular access and transport immediately.
B. Provide noninvasive positive-pressure ventilation.
C. Administer a sedative and paralytic and intubate.
D. administer nitroglycerin and obtain a 12-lead ECG.
