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Sudden and unexpected death in three cases of Ehlers-Danlos syndrome type IV
Lisa B E Shields1, Cristin M Rolf, Gregory J Davis
1Medicolegal Research Associate, Norton Neuroscience Institute, 210 E. Gray Street, Suite 1105, Louisville, KY, USA.
Insights
Ehlers-Danlos syndrome (EDS) type IV can cause sudden death due to arterial or visceral rupture. Forensic pathologists should consider EDS IV in unexplained ruptures and inform families about this hereditary condition.
Area of Science:
- Medical Genetics
- Pathology
- Cardiovascular Medicine
Background:
- Ehlers-Danlos syndrome (EDS) type IV is a rare genetic connective tissue disorder.
- It is characterized by defective collagen production or structure, leading to tissue fragility.
Observation:
- This report details three cases of sudden, unexpected fatalities attributed to EDS type IV.
- Case 1: Hemothorax from subclavian artery dissection.
- Case 2: Hemothorax from aortic dissection.
- Case 3: Spontaneous pulmonary rupture and hemorrhage.
Findings:
- EDS type IV significantly increases the risk of life-threatening vascular and visceral ruptures.
- Internal hemorrhage resulting from these ruptures is a common cause of death.
Implications:
- Forensic pathologists should suspect EDS type IV in cases of spontaneous arterial or visceral rupture.
- Prompt diagnosis through family history, collagen testing, and DNA analysis is crucial.
- Informing families about the hereditary nature and potential fatality of EDS type IV is vital for genetic counseling and management.
Abstract:
Ehlers-Danlos syndrome (EDS) type IV is a connective tissue disorder characterized by the inability to produce sufficient amounts of collagen or a defect in the structure of collagen. The most serious complications include a rupture of a viscus or vascular rupture with or without mural dissection. Death may result from internal hemorrhage. This report describes three cases of sudden and unexpected death caused by EDS type IV. Two cases involved hemothorax as a result of dissection of the subclavian artery and aorta, respectively. The third case represented spontaneous pulmonary rupture and hemorrhage. A detailed family history should be sought, and additional specimens collected to confirm the diagnosis, including skin fibroblasts for collagen testing and blood for DNA testing. The forensic pathologist should consider the possibility of EDS type IV upon discovery of spontaneous visceral or arterial rupture and should alert the family members of this hereditary and potentially fatal condition.
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