Relating to, causing, or characterized by spasms or involuntary contractions of blood vessels.
From Greek 'angion' (vessel) + 'spastikos' (prone to spasm). This adjectival form describes the spastic quality of vessels in disease states.
When doctors call something 'angiospastic,' they're describing blood vessels that are prone to sudden, involuntary cramping—which is why some heart patients get chest pain that comes and goes seemingly for no reason.
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