Acute inflammation is a shortterm process occurring in response to tissue injury, usually appearing within minutes or hours. It is characterized by five cardinal signs: pain, redness, immobility (loss of function), swelling and heat. You might have several questions in mind like "What are causes of acute inflammation?; What are the stages of acute inflammation?;What are the steps of acute inflammation?;What are the four stages of acute inflammation?,What are the three main stages of acute inflammation? all of these aspects would be covered in this video.