Bloodstain Pattern Analysis Terminology - IABPA - Flow Pattern
Note: At the 2009 IABPA meeting in Portland, OR, USA, the IABPA membership voted to adopt the SWGSTAIN recommended terminology.
- Flow Pattern
- A change in the shape and direction of a bloodstain due to the influence of gravity or movement of the object.
Bloodstain Example - Flow Pattern
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This pattern was generated by drawing blood into a large-bore syringe and projecting it at the target.
There was enough volume to allow the excess blood to collect and flow down the target.
|Bevel & Gardner||Non-spatter Family - Regular Margin - Flow|
|James, Kish & Sutton||Passive - Contact/Transfer - Flow|
|Wonder||May be a criteria for Spatter Not a Criteria - Volume|
|SWGSTAIN||Flow Pattern - A bloodstain pattern resulting from the movement of a volume of blood on a surface due to gravity or movement of the target.||
Old IABPA Bloodstain Terminology*
* At the IABPA meeting in 2009, the IABPA membership voted to adopt the SWGSTAIN terminology.
- Passive Patterns
- Passive Drop
- Drip Pattern
- Flow Pattern
- Transfer Patterns
- Transfer/Contact Pattern
- Swipe Pattern
- Wipe Pattern
- Projected/Impact Spatter
- Arterial Spurting Pattern
- Cast-off Pattern
- Expirated Blood
- Low Velocity Impact Spatter (LVIS)
- Medium Velocity Impact Spatter (MVIS)
- High Velocity Impact Spatter (HVIS)
- Projected Blood Pattern
- Fly Spots
- Bubble Rings
- Skeletonized Stains