Which of the following is most useful for reversing severe ergot induced vasospasm ?
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- Ergotamine
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- Methysergide
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- Nitroprusside
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- Phenoxybenzamine
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EXP:
This is a classical sign of ergot induced vasoconstriction. Dihydroergotamine can be used for acute attack of migraine and can result in these symptoms. Due to their vasoconstricing potential, ergot alkaloids are contra-indicated in a patient with peripheral vascular disease. These may also lead to development of gangrene.