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Chronic Fatigue Syndrome

 Syn. Systemic exertion intolerance disease , Effort syndrome , Myalgic encephalomyelitis

Signs & Symptoms

 Symptoms present for six months
Ref: Uptodate [ Clinical features and diagnosis of chronic fatigue syndrome (systemic exertion intolerance disease)]
Trauma in childhood
Ref: Harrison [ 3254] Harrison [ 3254-]
Altered sleep
Ref: Uptodate [ Clinical features and diagnosis of chronic fatigue syndrome (systemic exertion intolerance disease)] Harrison [ 3254]
Overwhelming fatigue
Ref: Uptodate [ Clinical features and diagnosis of chronic fatigue syndrome (systemic exertion intolerance disease)]

Physical Examination

 Neurally mediated hypotension
Ref: Uptodate [ Clinical features and diagnosis of chronic fatigue syndrome (systemic exertion intolerance disease)]

Lab / Serology

Imagin Study

Complication

 Increase in mortality from suicide
Ref: Harrison [ 3254] Harrison [ 3254-]

Risk Factors

 Female
Ref: Uptodate [ Clinical features and diagnosis of chronic fatigue syndrome (systemic exertion intolerance disease)]
African
Ref: Uptodate [ Clinical features and diagnosis of chronic fatigue syndrome (systemic exertion intolerance disease)]
American
Ref: Uptodate [ Clinical features and diagnosis of chronic fatigue syndrome (systemic exertion intolerance disease]

Cause

 Infection
Ref: Uptodate [ Clinical features and diagnosis of chronic fatigue syndrome (systemic exertion intolerance disease] Harrison [ 3254]
Retroviruses
Ref: Uptodate [ Clinical features and diagnosis of chronic fatigue syndrome (systemic exertion intolerance disease)]
Epstein-Barr virus
Ref: Uptodate [ Clinical features and diagnosis of chronic fatigue syndrome (systemic exertion intolerance disease] Epocrates [ https://www.epocrates.com/online/diseases/277/myalgic-encephalomyelitis-chronic-fatigue-syndrome#risk-factors]

Other