You are treating a 49-year-old patient who complains of intense pain between his shoulder blades radiating to his lower back. The pain began 10 minutes before your arrival while he was eating and has been constant. He rates the pain as a 10 out of 10 and describes it as a sharp, tearing pain.
The patient’s blood pressure is 130/76 mm Hg in the right arm and 78/48 mm Hg in the left arm, radial pulse in his right arm is 98 beats per minute and regular, and respiratory rate is 20 per minute and non-labored. He has no significant past medical history.
What condition would you most likely suspect?