X-Ray, CT, Nuclear Medicine Abbreviations - S 1 - 12 (of 12) •S/D-SVT • S/D Systolic/Diastolic Ratio • SA Short Axis (4 database hits) • SA Spatial Average intensity • SAR Specific Absorption Rate • SDWA Safe Drinking Water Act • SI System International (5 database hits) • SNR Signal to Noise Ratio (2 database hits) • SP Spatial Peak intensity • SPECT Single Photon Emission Tomography • ST Slice Thickness (4 database hits) • SV Stroke Volume • SVT Supraventricular Tachycardia 1 - 12 (of 12) •S/D-SVT Excess on occasion is exhilarating. It prevents moderation from acquiring the deadening effect of a habit. - W. Somerset Maugham |