17.1 Paediatric psychiatric emergencies
Common paediatric psychiatric presentations
Suicidal patients
Introduction
The presentation of a child or adolescent with self-directed harm or injury constitutes a medical and psychiatric emergency, even if the need for medical urgency appears low. The presentation of a child or adolescent with suicidal ideation but no apparent physical injury similarly constitutes a psychiatric emergency. More people die in Australia by suicide than by motor-vehicle accidents. The ratio of male to female suicides is currently approximately 4:1 and the figures representing ratios of male to female attempted suicides vary generally from being equal to up to 15:1 in favour of females.1
Energetic, persistent and effective treatment is required once a suicide attempt has been made.
Risk factors
Theories abound to explain these high suicide rates although many of the assumptions about causality are not proven but based only on occasions. Nevertheless, a thorough review of the literature2 leads to the conclusion that the risk of suicidal behaviour is increased among young people who: