Somatoform autonomic dysfunction ICD F453

Somatoform autonomic dysfunction is a little-used ICD category covering 'cardiac neurosis . . . and psychogenic forms of . . . irritable bowel syndrome' among many other examples given. Symptoms are said to include objective signs of autonomic arousal, such as palpitations, sweating, flushing, tremor, and expression of fear and distress about the possibility of a physical disorder. Second, there are subjective complaints of a nonspecific or changing nature such as fleeting aches and pains, sensations of burning, heaviness, tightness, and feelings of being bloated or distended, which are referred by the patient to a specific organ or system.

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