What Is a Passive Bloodstain

Passive stains include drops, flows and pools, and typically result from gravity acting on an injured body. Transfer stains result from objects coming into contact with existing bloodstains and leaving wipes, swipes or pattern transfers behind such as a bloody shoe print or a smear from a body being dragged.

What are the 4 types of passive blood stains?

• Passive. a. formed from the force of gravity acting alone. b. subdivided (drops, drip patterns, pools, clots) c. oozing or gushes from the body, dripping finger or arm, drops from a knife.
• Transfer. a. wet bloody surface comes in contact with a secondary surface. b. wipe, smudge, swipe or smear. c. …
• Projected blood spatter.

How are passive bloodstains formed *?

Passive bloodstains are created or formed by the force of gravity acting alone. Bloodstain patterns resulting from blood exiting the body under pressure from a breached artery. By drawing a line through the long axis of a group bloodstains the point of convergence can be determined.