Cause of death

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In law, medicine, and statistics, cause of death is an official determination of conditions resulting in a human's death, which may be recorded on a death certificate. A cause of death is determined by a medical examiner. The cause of death is a specific disease or injury, in contrast to the manner of death which is a small number of categories like "natural", "accident", "suicide", and "homicide",[1] which have different legal implications.[2]

International Classification of Disease (ICD) codes are often used to record manner and cause of death in a systematic way that makes it easy to compile statistics and more feasible to compare events across jurisdictions.[3]

Accuracy concerns[edit]

A study published in Preventing Chronic Disease found that only one-third of New York City resident physicians reported believing that the present system of documentation was accurate. Half reported the inability to record "what they felt to be the correct cause of death", citing reasons such as technical limitation and instruction to "put something else". Nearly four-fifths reported being unaware that determinations of "probable", "presumed", or "undetermined" could be made, and fewer than three percent reported ever updating a death certificate when conflicting lab results or other new information became available, and cardiovascular disease was indicated as "the most frequent diagnosis inaccurately reported".[4]

Causes of death are sometimes disputed by relatives or members of the public, particularly when some degree of uncertainty or ambiguity exists in relation to the cause of death. On occasion, such disputes may result from, or sometimes instigate, a conspiracy theory.

Public perception of the relative risk of death by various causes is biased by personal experience and by media coverage. The phrase "hierarchy of death" is sometimes used to describe the factors that cause some deaths to get more attention than others.

Though some opponents of abortion consider it a cause of death, conventionally medical authorities do not confer personhood on fetuses that are not viable outside the womb, and thus abortions are not reported as deaths in these statistics.[5]


Health departments discourage listing old age as the cause of death because doing so does not benefit public health or medical research.[6] Aging is not a scientifically recognized cause of death; It is considered that there is always a more direct cause, although it may be unknown in certain cases and could be one of a number of aging-associated diseases. As an indirect or non-determinative factor, biological aging is the biggest contributor to deaths worldwide. It is estimated that of the roughly 150,000 people who die each day across the globe, about two thirds—100,000 per day—die of age-related causes.[7] In industrialized nations the proportion is much higher, reaching 90%.[7] In recent years there are official claims about possibility to recognize aging itself as a disease.[8][9][10][11][12] If this will be so, the situation can change.

Emotional state[edit]

There are also popular notions that someone can be "scared to death" or die of loneliness or heartbreak. Experiencing fear, extreme stress, or both can cause changes in the body that can, in turn, lead to death. For example, it is possible that overstimulation of the vagus nerve—which decreases heart rate in a mechanism related to the behavior of apparent death (also known as "playing dead" and "playing possum")—is the cause of documented cases of psychogenic death. The flight or fight response to fear or stress has the opposite effect, increasing heart rate through stress hormones, and can cause cardiovascular problems (especially in those with pre-existing conditions). This is the proposed mechanism for the observed increase in the death rate due to cardiac arrest after widely experienced acutely stressful events such as terrorism, military attacks, and natural disasters (even among those who are not in the affected area) and for documented deaths in muggings and other frightening events which caused no traumatic physical harm.[13][14] The proximal medical cause of death in these cases is likely to be recorded as cardiac failure or vagal inhibition (which also has other potential causes such as blows to certain parts of the body and nerve injuries).[15]

One specific condition observed to result from acute stress, takotsubo cardiomyopathy, is nicknamed "broken heart syndrome", but the stress need not be relationship-related and need not be negative.[16]

See also[edit]


  1. ^ Deborah M. Stone, Kristin M. Holland, Brad Bartholow, Joseph E. Logan, Wendy LiKamWa McIntosh, Aimee Trudeau, Ian R. H. Rockett (2017). "Deciphering Suicide and Other Manners of Death Associated with Drug Intoxication: A Centers for Disease Control and Prevention Consultation Meeting Summary". American Journal of Public Health. 107(8) (August 2017): 1233–1239. doi:10.2105/AJPH.2017.303863. PMC 5508151. PMID 28640689. Accurately classifying how someone died (by natural causes, accident, suicide, homicide, or an undetermined cause), called manner of death (MOD), is critical to public health.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  2. ^ Cause & Manner of Death – Medical Examiner, Snohomish County, Washington
  3. ^ For example: Kentucky County Health Reports, 2003 Appendix III: Cause of Death – ICD-10 Codes
  4. ^ Wexelman, Barbara A.; Eden, Edward; Rose, Keith M. (2013). "Survey of New York City Resident Physicians on Cause-of-Death Reporting, 2010". Preventing Chronic Disease. 10: E76. doi:10.5888/pcd10.120288. ISSN 1545-1151. PMC 3664206. PMID 23660118.
  5. ^ Was Abortion the 'Leading Cause of Death' in 2018?
  6. ^ "Reporting Causes of Death for the Elderly" (PDF). Oregon Health Authority. Retrieved 15 March 2016.
  7. ^ a b Aubrey D.N.J., de Grey (2007). "Life Span Extension Research and Public Debate: Societal Considerations" (PDF). Studies in Ethics, Law, and Technology. 1 (1, Article 5). CiteSeerX doi:10.2202/1941-6008.1011. S2CID 201101995. Archived from the original (PDF) on October 13, 2016. Retrieved August 7, 2011.
  8. ^ Zhavoronkov, Alexander; Bhupinder, Bhullar (2015-10-04). "Classifying aging as a disease in the context of ICD-11". Frontiers in Genetics. 6: 326. doi:10.3389/fgene.2015.00326. PMC 4631811. PMID 26583032.
  9. ^ Stambler, Ilia (2017-10-01). "Recognizing Degenerative Aging as a Treatable Medical Condition: Methodology and Policy". Aging and Disease. 8 (5): 583–589. doi:10.14336/AD.2017.0130. PMC 5614323. PMID 28966803.
  10. ^ "Opening the door to treating ageing as a disease". The Lancet Diabetes & Endocrinology. 6 (8): 587. 2018-08-01. doi:10.1016/S2213-8587(18)30214-6. PMID 30053981.
  11. ^ Calimport, Stuart; et al. (2019-10-01). "To help aging populations, classify organismal senescence". Science. 366 (6465): 576–578. Bibcode:2019Sci...366..576C. doi:10.1126/science.aay7319. PMC 7193988. PMID 31672885.
  12. ^ Khaltourina, Daria; Matveyev, Yuri; Alekseev, Aleksey; Cortese, Franco; Ioviţă, Anca (July 2020). "Aging Fits the Disease Criteria of the International Classification of Diseases". Mechanisms of Ageing and Development. 189: 111230. doi:10.1016/j.mad.2020.111230. PMID 32251691. S2CID 214779653.
  13. ^ Ballantyne, Coco. "Can a person be scared to death?". Scientific American.
  14. ^ "Can you literally be scared to death? Science says yes". Fox News. 24 October 2012.
  15. ^ healthdrip. "Vagal inhibition – Health Drip". Archived from the original on 2017-01-13. Retrieved 2017-02-09.
  16. ^ "Is Broken Heart Syndrome Real?".