Dynamic SPECT Case Study

Patient 9 - Stress/Rest

Images Courtesy of Instituto Cardiovascular de Buenos Aires

45 Year Old Male

  • Smoking history
  • Hypertension
  • Regular exercise: sports

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Coronary Angiography

Indicates normal

  • Acute Chest Pain
  • Hs Troponin: 107 ng/l
  • NSTEMI
  • EKG: Negative T waves inferior leads

Perfusion Scan

Referred for stress rest & cold pressure test

Coronary Flow Reserve (Dipyridamole Stress Test)

Normal response to dipyridamole / rest:

  • Non-coronary significant obstructions
  • CFR: 2.15

Coronary Flow Reserve (Cold Pressure Test)

Abnormal response to cold pressure test / rest:

  • CFR Revealed Endothelial Dysfunction
  • CFR: 1.03