dr. ian ross radiology on-call. -12,000 cases / yr - ct >> us > mr - clarify request -...

Dr. Ian Ross

Radiology On-Call

-12,000 cases / yr- CT >> US > MR- Clarify request

- appropriateness- assess urgency (triage)- choose correct scan protocol (78 protocols)

1) Logistics

Radiology On-Call

2) I.V. Contrast

What?

Why?

Benefits / Risks

Radiology On-Call

2) I.V. Contrast

What?

Why?

Benefits / Risks

Radiology On-Call

Radiology On-Call

2) I.V. Contrast

What?

Why?

Benefits / Risks Diagnosis

Radiology On-Call

2) I.V. Contrast

Risks

Nephropathy – creatinine

Reactions – rare !

AnaphylactoidMild – hivesModerateSevere

OtherDirect toxicity – CNS, CVS

(rare !)

2) I.V. Contrast – Reactions

Radiology On-Call

AnaphylactoidMild – hivesModerateSevere

OtherDirect toxicity – CNS, CVS

(rare !)

2) I.V. Contrast – Reactions

Radiology On-Call

AnaphylactoidMild – hivesModerateSevere

OtherDirect toxicity – CNS, CVS

(rare !)

2) I.V. Contrast – Reactions

Radiology On-Call

AnaphylactoidMild – hivesModerateSevere

OtherDirect toxicity – CNS, CVS

(rare !)

2) I.V. Contrast – Reactions

Radiology On-Call

AnaphylactoidMild – hivesModerateSevere

OtherDirect toxicity – CNS, CVS

(rare !)

2) I.V. Contrast – Reactions

Radiology On-Call

Need 2 health care humans present

CT Tech + 1 of:other Xray technurseMD

2) I.V. Contrast – CT Scan

Radiology On-Call

1 in 2000

3) CT Radiation Dose

Risks

-Low but real-Lifetime cancer risk for a CT Abd / pelvis

Radiology On-Call

Radiology On-Call

1. Residents busy but helpful

2. IV contrast

3. Radiation dose – thought-provoking