Radiology On-Call Dr. Ian Ross The University of Western Ontario

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

Radiology On-Call 2) I.V. Contrast What?  Why? Benefits / Risks The University of Western Ontario

Radiology On-Call 2) I.V. Contrast What? Why?  Benefits / Risks The University of Western Ontario

Radiology On-Call 2) I.V. Contrast What? Why? Benefits / Risks  Diagnosis The University of Western Ontario

Radiology On-Call 2) I.V. Contrast Risks Nephropathy – creatinine Reactions – rare ! The University of Western Ontario

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

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

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

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

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

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

Radiology On-Call 3) CT Radiation Dose Risks Low but real Lifetime cancer risk for a CT Abd / pelvis 1 in 2000 The University of Western Ontario

Radiology On-Call 1. Residents busy but helpful 2. IV contrast 3. Radiation dose – thought-provoking The University of Western Ontario

Radiology On-Call The University of Western Ontario