A patient with fears of serious heart disease was referred to the mental health center by a cardiologist. Extensive diagnostic evaluation showed no physical illness. The patient says, "My chest is tight, and my heart misses beats. I'm often absent from work. I don't go out much because I need to rest." Which health problem is most likely?

A) Dysthymic disorder
B) Somatic symptom disorder
C) Antisocial personality disorder
D) Illness anxiety disorder (hypochondriasis)

Illness anxiety disorder (hypochondriasis) involves preoccupation with fears of having a serious disease even when evidence to the contrary is available. The preoccupation causes impairment in social or occupational functioning. Somatic symptom disorder involves fewer symptoms. Dysthymic disorder is a disorder of lowered mood. Antisocial disorder applies to a personality disorder in which the individual has little regard for the rights of others. See relationship to audience response question.