A Patient Who Has Chronic Heart Failure Tells the Nurse

A patient who has chronic heart failure tells the nurse, "I felt fine when I went to bed, but I woke up in the middle of the night feeling like I was suffocating!" The nurse will document this assessment information as

A) pulsus alternans.
B) two-pillow orthopnea.
C) acute bilateral pleural effusion.
D) paroxysmal nocturnal dyspnea.