Source:http://linkedlifedata.com/resource/umls/id/C0015672
MSH: The state of weariness following a period of exertion, mental or physical, characterized by a decreased capacity for work and reduced efficiency to respond to stimuli.,CSP: state of weariness following a period of exertion, mental or physical, characterized by a decreased capacity for work and reduced efficiency to respond to stimuli.,NCI: A disorder characterized by a state of generalized weakness with a pronounced inability to summon sufficient energy to accomplish daily activities.,MEDLINEPLUS: <p>You're tired, weak, exhausted, weary, worn out. You have a lack of energy and as a result you feel distressed. You're not functioning as well as you should. It's called fatigue, and everyone feels it at times. </p><p>Acute fatigue is normal tiredness with occasional symptoms that begin quickly and last for a short time. Rest may help ease acute fatigue and let you return to your normal activities. <a href='http://www.nlm.nih.gov/medlineplus/chronicfatiguesyndrome.html'>Chronic fatigue syndrome</a> (CFS) is a