What is SIDS/SUDC/SUID

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Sudden Infant Death Syndrome (SIDS)

The sudden death of an infant under age 1 that cannot be explained after a thorough investigation has been conducted, including a complete autopsy, an examination of the death scene, and a review of the clinical history.  *SIDS is a diagnosis of exclusion- given when all known and possible causes of death have been ruled out (Krous et al. 2005). 

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Sudden Unexplained Death in Childhood (SUDC)

The sudden and unexplained death of a child over the age of twelve months, which remains unexplained after a thorough case investigation is conducted including a complete autopsy, an examination of the death scene, and a review of the clinical history.*SUDC is also a diagnosis of exclusion – given when all known and possible causes of death have been ruled out.Most SUDC deaths occur between the ages of 1 and 3, but researchers have looked at cases of children as old as 15. 

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Sudden Unexpected Infant Death (SUID)

The death of an infant younger than 1 year of age that occurs suddenly and unexpectedly. After a full investigation, these deaths may be diagnosed as:  

  • Suffocation: When no air reaches a baby's lungs, usually caused by a block in the airway
  • Entrapment: When a baby gets trapped between two objects, such as a mattress and wall, and can't breathe
  • Infection: When a baby has a cold or other infection caused by a virus or bacteria that makes breathing difficult
  • Ingestion: When a baby takes something into the mouth that blocks the airway or causes choking
  • Metabolic diseases: Conditions related to how the body functions that can lead to problems with breathing
  • Cardiac arrhythmia: When a baby's heart beats too fast or too slow and affects breathing
  • Trauma (accidental or non-accidental): When a baby experiences an injury
  • SIDS