There is a quote on pain that say “If you never experience pain in your life, you probably haven’t been born yet” .It means that throughout your life, you will be experiencing pain. The main question is how did you get the pain and what type of pain that you are experiencing? Pain can be define and elaborate in many terms and it will bring the same meaning. The simplest yet meaningful definition of pain is an unpleasant sensation, physical suffering or discomfort towards the body that is caused by a certain illness or injury [1]. Pain is also associated with the sensory system. We receive information from the inside and outside of the body such as pressure, temperature, surrounding environments, vision, smell, taste and the most important part …show more content…
It is usually caused by injury to the muscle, skin, joints, bones and connective tissue. It is also known as deep somatic pain and usually described the pain as aching and localized in one area with autonomic effects. Angina pectoris and intermittent claudication is one of the pathophysiology of deep pain. For example, when the blood supply becomes inadequate it will lead to muscle contraction and it will cause pain due to Lewis’P factor released during the contraction could be K+. As for the visceral sensation for deep pain, there are a special receptors such as chemoreceptors, baroreceptors and osmoreceptors …show more content…
It is define as a pain that is felt other than where the cause is situated. For example, pain cause from the pancreas will felt in the back. Referred pain are very complex mechanism and it is usually related to innervation of nerve of a certain organs. The mechanism of referred pain can be classify into four categories, the first one is dermatomal rule which is known as pain is referred to a structure that develops from the same embryonic segment or dermatome. Second, role of experience, it is best describe such as a pain at a past surgical scars. Third, is the role of convergence that involve somatic and visceral structures converge on the same dermatomes. Lastly the fourth mechanism is the facilitation theory that involve the visceral irritation that facilitates the pain fiber