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Sign up for our free e-mail newsletter, HEALTHbeat.   Email address:     Incontinence Weight Loss Prostate Disease Vitamins and Minerals Aching Hands See All Titles Common Medical Conditions Wellness & Prevention Emotional Well Being & Mental Health Women’s Health Men’s Health Heart & Circulatory Health   contact us		How do I prepare for the test? About one hour before the test, a technician places an IV in your arm. A slightly radioactive version of the mineral technetium mixed with liquid protein is injected through the IV to identify areas of the lung that have reduced blood flow. Would you like to:
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