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Published on: April 11, 2025
BMIPP Imaging in Out-of-Hospital Cardiac Arrest: Exercise-Induced Vasospastic Angina With Ventricular Fibrillation
Hirohiko Aikawa1, Kota Murai2, Shimpei Seiki3
1Senri Critical Care Medical Center, Saiseikai Senri Hospital, Suita, Osaka, Japan; Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Osaka, Japan.
JACC. Case Reports
|June 25, 2026
Summary
Vasospastic angina (VSA) can cause cardiac arrest. Iodine-123 BMIPP SPECT imaging helps identify VSA in out-of-hospital cardiac arrest survivors when ischemia evidence is limited, guiding further testing.
Area of Science:
- Cardiology
- Nuclear Medicine
Background:
- Vasospastic angina (VSA) is a potential cause of out-of-hospital cardiac arrest (OHCA).
- Diagnosis is challenging with limited ischemic evidence, complicating decisions for invasive spasm provocation testing.
- Iodine-123 β-methyl-p-iodophenyl-pentadecanoic acid (BMIPP) SPECT reflects "ischemic memory" and can noninvasively suggest myocardial ischemia.

