1 A person may or may not have any symptoms previously, but all of the sudden a plaque ruptures, triggering a chain of events and a sudden heart attack.  The other is a more gradual progression of coronary disease. In these patients, an artery is getting narrower over time.
Knee pain at night causes. Common causes of knee pain at night include sprains and strains, anterior knee pain, menisci or cartilage damage, osteoarthritis tendonitis, bursitis, torn ligaments or tendons, bleeding into the joint, Osgood Shatlerâs disease, gout, septic arthritis, overuse, and obesity.
Call your doctor right away (day or night) if: 1  You have severe pain, swelling, redness or warmth in your knee, especially after an injury. 2  You canât bend your knee after an injury. 3  You canât put weight on your knee after an injury. 4  You heard or felt a loud pop during an injury.