After Collecting Data the Nurse Determines That a Patient Is

After collecting data the nurse determines that a patient is experiencing cluster headaches.What information did the nurse use to come to this conclusion? (Select all that apply.)

A) Throbbing and excruciating pain
B) Bright sunlight causes severe eye pain
C) Sudden onset at the same time during the night
D) Pain that affects one side of the nose, eye and forehead
E) The eye on the side of the headache is bloodshot and tearing