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.
Conditions that cause knee pain. 1  Tendonitis. 2  Bone chips. 3  Housemaid's knee or bursitis is caused by kneeling for long periods of time or repetitive knee movements. 4  Bleeding in the knee joint. 5  Iliotibial band syndrome. 6  Medial plica syndrome. 7  Osgood-Schlatter Disease. 8  Partially dislocated kneecap (or patellar subluxation).