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5 Cards in this Set
- Front
- Back
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Where do most thrombi form?
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In the veins of the lower extremities
Form around a valve in a vein |
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What is a thrombus called that has broken away?
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An embolus
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What are the 2 ways that a thrombus can be identified?
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1. Lines of Zahn
2. A site of attachment to the vessel wall |
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What are lines of Zahn?
What do they look like (gross and microscopic?) |
Layers formed in flowing blood by platelets, fibrin, and RBC
Gross: Usually visible layers Microscopic: Alternating pink and red lines (pink = platelets/fibrin, red = RBC's) |
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Why are lines of Zahn important?
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If they are seen, signifies that clot MUST HAVE formed during life, thus is not a post-mortem clot.
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