Chest pain other imaging findings

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Sara Zand, M.D.[2] Aisha Adigun, B.Sc., M.D.[3]

Overview

After ruling out of ACS, rest/stress positron emission tomography (PET) or single-photon emission computed tomography (SPECT) myocardial perfusion imaging (MPI) are helpful for detection of perfusion abnormalities, measures of left ventricular function, and high-risk findings, such as transient ischemic dilation. For PET, calculation of myocardial blood flow reserve (MBFR, the ratio of peak hyperemia to resting myocardial blood flow) adds diagnostic and prognostic information over MPI. Radiation exposure dose is ∼3 mSv for rest/stress PET with Rb-82 and ∼10 mSv for Tc-99m SPECT.

After ruling out of ACS, rest/stress positron emission tomography (PET) or single-photon emission computed tomography (SPECT) myocardial perfusion imaging (MPI) are helpful for detection of perfusion abnormalities, measurement of left ventricular function, and high-risk findings, such as transient ischemic dilation of myocardium.
For PET, calculation of myocardial blood flow reserve (MBFR, the ratio of peak hyperemia to resting myocardial blood flow) provide diagnostic and prognostic information over MPI.
Radiation exposure dose is ∼3 mSv for rest/stress PET with Rb-82 and ∼10 mSv for Tc-99m SPECT.

^[1] |-

↑ Gulati M, Levy PD, Mukherjee D, Amsterdam E, Bhatt DL, Birtcher KK, Blankstein R, Boyd J, Bullock-Palmer RP, Conejo T, Diercks DB, Gentile F, Greenwood JP, Hess EP, Hollenberg SM, Jaber WA, Jneid H, Joglar JA, Morrow DA, O'Connor RE, Ross MA, Shaw LJ (November 2021). "2021 AHA/ACC/ASE/CHEST/SAEM/SCCT/SCMR Guideline for the Evaluation and Diagnosis of Chest Pain: A Report of the American College of Cardiology/American Heart Association Joint Committee on Clinical Practice Guidelines". Circulation. 144 (22): e368–e454. doi:10.1161/CIR.0000000000001029. PMID 34709879 Check |pmid= value (help).