Final answer:
The type of pain described is visceral pain, which originates from the internal organs and is often described as deep, dull and diffuse.
Step-by-step explanation:
The type of pain described, diaphoretic and pale, with dull pain in the LUQ of the abdomen, is visceral pain. Visceral pain originates from the internal organs and is often described as deep, dull, and diffuse. It can be referred to other areas of the body, such as the shoulder or neck, due to the convergence of sensory nerves in the spinal cord.