Vascular spasm, which constricts blood vessels due to injury, chemical release, and pain reflexes, significantly reduces blood flow for 20-30 minutes.
1. Blood vessels constrict due to direct to injury VSMC 2. Chemicals released by endothelial cells and platelets 3. Local pain reflexes 4. This can significantly reduce blood flow for 20-30 minutes <img src="paste-44c6f5f93fb9e913278742b46b10e4dd64c7d5e5.jpg">
| Front | What triggers vascular spasm? |
|---|---|
| Back | 1. Blood vessels constrict due to direct to injury VSMC 2. Chemicals released by endothelial cells and platelets 3. Local pain reflexes 4. This can significantly reduce blood flow for 20-30 minutes |
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