180 degrees compared with 360 degrees sampling in SPECT.
D006321:Heart / Q000000981:diagnostic imaging; D006801:Humans; D007089:Image Enhancement; D007457:Iodine Radioisotopes; D011868:Radioisotopes; D012542:Scattering, Radiation; D013667:Technetium; D013793:Thallium; D014055:Tomography, Emission-Computed / Q000379:methods*
D007457:Iodine Radioisotopes; D011868:Radioisotopes; D013667:Technetium; D013793:Thallium