Showing posts with label phentolamine. Show all posts
Showing posts with label phentolamine. Show all posts
- These work on alpha receptors
- vasodilates aka ↓ BP (alpha 1)
- & blocks NE feedback control (alpha 2)
Indications
- primarily used to prevent cell death/tissue sloughing r/t IV DA or NE extravasation/infiltration (causes local vasodilation & return of blood flow to the area)
- can be used for pheochromocytoma Dx or mgmt of severe HTN reactions s/p pheochromocytoma surgery
CAD or MI
Nonselective Alpha Blockers
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