1. Dr. Ian Ross Radiology On-Call

2. -12,000 cases / yr - CT >> US > MR - Clarify request - appropriateness - assess urgency (triage) - choose correct scan protocol (78 protocols) 1) Logistics Radiology On-Call

3. 2) I.V. Contrast What?  Why? Benefits / Risks Radiology On-Call

4. 2) I.V. Contrast What? Why?  Benefits / Risks Radiology On-Call

5. 2) I.V. Contrast What? Why? Benefits / Risks  Diagnosis

6. Radiology On-Call 2) I.V. Contrast Risks Nephropathy – creatinine Reactions – rare !

7. Anaphylactoid Mild – hives Moderate Severe Other Direct toxicity – CNS, CVS (rare !) 2) I.V. Contrast – Reactions Radiology On-Call

8. Anaphylactoid Mild – hives Moderate Severe Other Direct toxicity – CNS, CVS (rare !) 2) I.V. Contrast – Reactions Radiology On-Call

9. Anaphylactoid Mild – hives Moderate Severe Other Direct toxicity – CNS, CVS (rare !) 2) I.V. Contrast – Reactions Radiology On-Call

10. Anaphylactoid Mild – hives Moderate Severe Other Direct toxicity – CNS, CVS (rare !) 2) I.V. Contrast – Reactions Radiology On-Call

11. Anaphylactoid Mild – hives Moderate Severe Other Direct toxicity – CNS, CVS (rare !) 2) I.V. Contrast – Reactions Radiology On-Call

12. Need 2 health care humans present CT Tech + 1 of: other Xray tech nurse MD 2) I.V. Contrast – CT Scan Radiology On-Call

13. 1 in 2000 3) CT Radiation Dose Risks -Low but real -Lifetime cancer risk for a CT Abd / pelvis Radiology On-Call

14. 1. Residents busy but helpful 2. IV contrast 3. Radiation dose – thought-provoking