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Thallium-201 scintigraphy perfusion defect with dipyridamole in a patient with a myocardial bridge.

Abstract
A patient with myocardial bridging and a thallium-201 scintigraphy perfusion defect after the administration of intravenous dipyridamole is presented. The same patient had a normal perfusion study on exercise stress testing. The effects of coronary vasodilators and dipyridamole on coronary artery flow patterns in patients with myocardial bridging are discussed. We suggest that coronary vasodilators may induce perfusion defects in patients with myocardial bridging and should be avoided in such patients.
AuthorsJ M Bennett, P Blomerus
JournalClinical cardiology (Clin Cardiol) Vol. 11 Issue 4 Pg. 268-70 (Apr 1988) ISSN: 0160-9289 [Print] United States
PMID3365879 (Publication Type: Case Reports, Journal Article)
Chemical References
  • Thallium Radioisotopes
  • Dipyridamole
Topics
  • Adult
  • Coronary Disease (diagnosis)
  • Dipyridamole
  • Echocardiography
  • Electrocardiography
  • Exercise Test
  • False Positive Reactions
  • Humans
  • Male
  • Mitral Valve Prolapse (diagnostic imaging, physiopathology)
  • Radionuclide Imaging
  • Thallium Radioisotopes

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