A 50-year-old patient with ischemic hea disease develops chest pain. ECG shows ST segment elevation and Q waves. Myocardial necrosis in this patient can be best demonstrated by:: (A) Technetium 99 tetrofosmin, (B) Sestambi scan, (C) Technetium 99 Pyrophosphate, (D) Thallium 201
Answer is C. Myocardial infarct imaging: Tc99m pyrophosphate is used to localize the area of infarct in hea. Area of infarct On thallium scan (Perfusion image) Cold spot Pyrophosphate scan (Infarct image) Hot spot