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Dear Doctor: I’m scheduled for cardio stress test using microsphere imaging. Is that safe?
Dear Doctor: I’m scheduled for cardio stress test using microsphere imaging. Is that safe?
Dear Doctor: I’m scheduled for cardio stress test using microsphere imaging. Is that safe?

Published on: 05/13/2026

This news was posted by Oregon Today News

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Description

Dr. Keith Roach is a physician at Weill Cornell Medical College. He writes an educational column on infectious diseases, public health and sports medicine.

DEAR DR. ROACH: My primary care physician scheduled me for a cardio stress test and ultrasonography with intravenous “microsphere” imaging. I’m slightly concerned about the term “microsphere.” Is this a safe procedure? Are there any complications stemming from this chemical/procedure? Should I be concerned about a stroke? How long do these microspheres stay in the body? Do they become a part of plaque? Are there other safer imaging methods? -- K.O.S.

News Source : https://www.oregonlive.com/advice/2026/05/dear-doctor-im-scheduled-for-cardio-stress-test-using-microsphere-imaging-is-that-safe.html

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