Definition: The essential feature is recurrent attacks of severe anxiety (panic), which are not restricted to any particular situation or set of circumstances and are therefore unpredictable. As with other anxiety disorders, the dominant symptoms include sudden onset of palpitations, chest pain, choking sensations, dizziness, and feelings of unreality (depersonalization or derealization). There is often also a secondary fear of dying, losing control, or going mad. Panic disorder should not be given as the main diagnosis if the patient has a depressive disorder at the time the attacks start; in these circumstances the panic attacks are p ...[+++]robably secondary to depression. | Panic:attack | state

Autoimmune haemolytic disease (cold type)(warm type) Chronic cold haemagglutinin disease Cold agglutinin:disease | haemoglobinuria | Haemolytic anaemia:cold type (secondary)(symptomatic) | warm type (secondary)(symptomatic)

Postpill amenorrhea

History of amenorrhea

Definition: Disorders that fulfil some of the features of anorexia nervosa but in which the overall clinical picture does not justify that diagnosis. For instance, one of the key symptoms, such as amenorrhoea or marked dread of being fat, may be absent in the presence of marked weight loss and weight-reducing behaviour. This diagnosis should not be made in the presence of known physical disorders associated with weight loss.