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Fatigue in a medical context is used to cover experiences of low energy that are not caused by normal life. [2] [3]A 2021 review proposed a definition for fatigue as a starting point for discussion: "A multi-dimensional phenomenon in which the biophysiological, cognitive, motivational and emotional state of the body is affected resulting in significant impairment of the individual's ability to ...
Excess post-exercise oxygen consumption (EPOC, informally called afterburn) is a measurably increased rate of oxygen intake following strenuous activity.In historical contexts the term "oxygen debt" was popularized to explain or perhaps attempt to quantify anaerobic energy expenditure, particularly as regards lactic acid/lactate metabolism; [1] in fact, the term "oxygen debt" is still widely ...
Fatigue. Dizziness. Fainting. Fever. Irregular heartbeat. Weight gain. Heart palpitations. Heart attack. A heart attack occurs when the blood flow to your heart is blocked. The most common cause ...
Other symptoms that may occur during PEM include cognitive impairment, flu-like symptoms, pain, weakness, and trouble sleeping. [6] [4] Though typically cast as a worsening of existing symptoms, patients may experience some symptoms exclusively during PEM. [6] Patients often describe PEM as a "crash", "relapse", or "setback". [6]
Exercise-associated hyponatremia (EAH) is a fluid-electrolyte disorder caused by a decrease in sodium levels (hyponatremia) during or up to 24 hours after prolonged physical activity. [1] This disorder can develop when marathon runners or endurance event athletes drink more fluid, usually water or sports drinks, than their kidneys can excrete. [2]
Heart failure (HF), also known as congestive heart failure (CHF), is a syndrome caused by an impairment in the heart's ability to fill with and pump blood.. Although symptoms vary based on which side of the heart is affected, HF typically presents with shortness of breath, excessive fatigue, and bilateral leg swelling. [3]
Treatment of excessive daytime sleepiness (EDS) relies on identifying and treating the underlying disorder which may cure the person from the EDS. Drugs like modafinil , [ 22 ] armodafinil , [ 23 ] pitolisant [ 24 ] (Wakix), sodium oxybate (Xyrem) oral solution, have been approved as treatment for EDS symptoms in the United States.
Muscle fatigue may be due to precise molecular changes that occur in vivo with sustained exercise. It has been found that the ryanodine receptor present in skeletal muscle undergoes a conformational change during exercise, resulting in "leaky" channels that are deficient in calcium release. These "leaky" channels may be a contributor to muscle ...