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Cardiac viability (Resting MPI+18F-FDG PET-CT)



A cardiac viability test is performed to look for viable heart muscles and plan for bypass surgery or CABG. This test assesses blood circulation into heart muscles and glucose metabolism in this test; therefore, it is performed in two parts. Patients with chronic coronary disease and severe left ventricle dysfunction can significantly improve after bypass surgery, and this test can predict these improvements. In the first part of the test, myocardial blood flow is checked using 99mTc-sestamibi and SPECT (single-photon emission computed tomography) machine, whereas the second part provides details of glucose metabolism and is performed using an 18F-FDG and positron emission tomography (PET) machine.

Test information: Fasting: 4-6 hours

Reporting: Within 2 hours*

  • Patient should be fasting for around 4-6 hours before the appointment.
  • Drinking plain water is allowed and encouraged.
  • There is no need to hold urine.
  • Please carry all previous medical records, i.e. doctor's referral, previous medical documents etc.
  • Always try to reach 15 min before appointment time as the radiopharmaceutical (tracer) used in nuclear medicine has a short half-life, and any delay may cause decay of the tracer, and you may be rescheduled for another day.
  • Please carry identification proof such as an Aadhar card, pan card etc.
* For details, please see service-related policies
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