dr. ian ross radiology on-call. -12,000 cases / yr - ct >> us > mr - clarify request -...
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![Page 1: Dr. Ian Ross Radiology On-Call. -12,000 cases / yr - CT >> US > MR - Clarify request - appropriateness - assess urgency (triage) - choose correct scan](https://reader035.vdocuments.site/reader035/viewer/2022070414/5697c01d1a28abf838cd0416/html5/thumbnails/1.jpg)
Dr. Ian Ross
Radiology On-Call
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-12,000 cases / yr- CT >> US > MR- Clarify request
- appropriateness- assess urgency (triage)- choose correct scan protocol (78 protocols)
1) Logistics
Radiology On-Call
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2) I.V. Contrast
What?
Why?
Benefits / Risks
Radiology On-Call
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2) I.V. Contrast
What?
Why?
Benefits / Risks
Radiology On-Call
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Radiology On-Call
2) I.V. Contrast
What?
Why?
Benefits / Risks Diagnosis
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Radiology On-Call
2) I.V. Contrast
Risks
Nephropathy – creatinine
Reactions – rare !
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AnaphylactoidMild – hivesModerateSevere
OtherDirect toxicity – CNS, CVS
(rare !)
2) I.V. Contrast – Reactions
Radiology On-Call
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AnaphylactoidMild – hivesModerateSevere
OtherDirect toxicity – CNS, CVS
(rare !)
2) I.V. Contrast – Reactions
Radiology On-Call
![Page 9: Dr. Ian Ross Radiology On-Call. -12,000 cases / yr - CT >> US > MR - Clarify request - appropriateness - assess urgency (triage) - choose correct scan](https://reader035.vdocuments.site/reader035/viewer/2022070414/5697c01d1a28abf838cd0416/html5/thumbnails/9.jpg)
AnaphylactoidMild – hivesModerateSevere
OtherDirect toxicity – CNS, CVS
(rare !)
2) I.V. Contrast – Reactions
Radiology On-Call
![Page 10: Dr. Ian Ross Radiology On-Call. -12,000 cases / yr - CT >> US > MR - Clarify request - appropriateness - assess urgency (triage) - choose correct scan](https://reader035.vdocuments.site/reader035/viewer/2022070414/5697c01d1a28abf838cd0416/html5/thumbnails/10.jpg)
AnaphylactoidMild – hivesModerateSevere
OtherDirect toxicity – CNS, CVS
(rare !)
2) I.V. Contrast – Reactions
Radiology On-Call
![Page 11: Dr. Ian Ross Radiology On-Call. -12,000 cases / yr - CT >> US > MR - Clarify request - appropriateness - assess urgency (triage) - choose correct scan](https://reader035.vdocuments.site/reader035/viewer/2022070414/5697c01d1a28abf838cd0416/html5/thumbnails/11.jpg)
AnaphylactoidMild – hivesModerateSevere
OtherDirect toxicity – CNS, CVS
(rare !)
2) I.V. Contrast – Reactions
Radiology On-Call
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Need 2 health care humans present
CT Tech + 1 of:other Xray technurseMD
2) I.V. Contrast – CT Scan
Radiology On-Call
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1 in 2000
3) CT Radiation Dose
Risks
-Low but real-Lifetime cancer risk for a CT Abd / pelvis
Radiology On-Call
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Radiology On-Call
1. Residents busy but helpful
2. IV contrast
3. Radiation dose – thought-provoking