Your Patient Is an 80-Year-Old Male Complaining of Lower Back

Your patient is an 80-year-old male complaining of lower back pain that radiates through to the abdomen.He describes the pain as "ripping" in nature.He is pale,diaphoretic,and anxious,and has a blood pressure of 210/100 mmHg,a pulse of 112 beats per minute,and a respiratory rate of 20 breaths per minute.Which of the following conditions is MOST likely?

A) Gallbladder disease
B) Bowel obstruction
C) Diverticulitis
D) Abdominal aortic aneurysm