AI Article Synopsis

  • A new method for radionuclide-angiocardiograms uses advanced technology to track the movement of a radioactive bolus through the heart and lungs with improved clarity.
  • This noninvasive technique involves a low deadtime scintillation camera and utilizes 15 mCi of 99mTc pertechnetate to provide detailed images.
  • By employing dual-channel, dual-color subtraction, this method allows observers to better visualize and analyze specific areas along the radioactive bolus's pathway.

Article Abstract

A refinement of the radionuclide-angiocardiogram is described using a low deadtime scintillation camera and hardwire data storage, processing, and display system for the purpose of anatomic definition of the passage of a radioactive bolus through the carciopulmonary circulation by dual-channel, dual-color, subtraction methodology. The summation of the bolus pathway is displayed as a static frame of reference for the sequential kinetic image. The technique is noninvasive and employs 15 mCi of 99mTc pertechnetate. This procedure may be employed as the conventional bolus study for determining the cardiac kinetics ordinarily obtained by the method. The opportunity of viewing the bolus position in relation to its entire pathway significantly facilitates defining the multiple areas of interest the observer may wish to study.

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