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Left Heart Imaging Following Inhalation of ¹⁵O-Carbon Dioxide: Concise Communication

Baumritter Institute of Nuclear Medicine, Mount Sinai Medical Center, Miami Beach, Florida

Correspondence: For reprints contact: Peter J. Kenny, Div. of Nuclear Medicine, Mount Sinai Medical Center, 4300 Alton Rd., Miami Beach, FL 33140.

ABSTRACT

Accelerator-produced C¹⁵O₂ (t_1/2 = 124 sec) is a uniquely useful radio-pharmaceutical because it can be introduced rapidly and selectively into the left side of the heart by the simple noninvasive process of inhalation and breath-holding. A standard scintillation camera system was used to obtain images of the left heart by this technique. The procedure involves minimal radiation dose to the patient and may be repeated within a few minutes if necessary.