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Medicines rubidium chloride rb-82Question & answer

rubidium chloride rb-82 · Medicine question

Why must I avoid caffeine before a rubidium chloride Rb-82 scan?

iatroX medicinesPublished 21 August 2026Reviewed 21 August 2026

The answer

Answer

Caffeine can reduce the effect of vasodilator stress medicines and may make the stress part of the scan unreliable.

Sources for this answer

Cardiogen-82 3.3-5.6 GBq radionuclide generatoremc · SmPC Current selected SmPC · Version 1
NHSNHS · NHS medicine guidance

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rubidium chloride rb-82

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