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Development of a robust method for creating arterial bloodstain patterns

Development of a robust method for creating arterial bloodstain patterns

Guest, Jennifer and Lidstone, Nathan (2017) Development of a robust method for creating arterial bloodstain patterns. In: 6th European Conference of International Association of Bloodstain Pattern Analysts, 21 - 23 June 2017, Jachranka, Poland. (Unpublished)

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17896 GUEST_Arterial_Bloodstain_Patterns_2017.pdf - Accepted Version

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A greater understanding of how blood behaves when ejected from a vessel under pressure will assist with interpretation of arterial bloodstain patterns and allow us to address questions such as; how far might blood be projected from an injury; how likely it is that an offender would be bloodstained; how much would clothing or covering of a wound reduce the extent of the blood projection?

We are using a medical training device consisting of a cardiovascular pump and vessel pads containing synthetic arteries ranging from 2 mm to 8 mm diameter and imbedded within synthetic human skin and tissue.

We will discuss our first steps in setting up this equipment to establish a reproducible and reliable mechanism to create arterial bloodstain patterns. We will also describe the results of our initial tests carried out using coloured water and progressing through to development of a synthetic blood substitute. We anticipate running trials using human blood in the near future and we hope to discuss the results of these trials at the conference.

We will also discuss how we are using the pump and “injured” vessels to create arterial bloodstain patterns to investigate a range of pattern features; maximal distances travelled by blood spots; extent of bloodstain patterns produced; size of blood spots; and pulsatile wave patterns. The effect of varying factors such as size of injury, artery diameter, covering of the wound, and the position of the vessel pad (horizontal or vertical) on the resulting patterns will then be assessed.

Item Type: Conference or Conference Paper (Speech)
Uncontrolled Keywords: Bloodstain pattern analysis; Arterial spurting
Faculty / School / Research Centre / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > School of Science (SCI)
Last Modified: 04 Dec 2018 11:38

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