Step 2 of 3 · Before Contrast
What pre-contrast scenario applies?
Tap the closest match. If symptoms progress, use the escalation chip to jump to the severe pathway.
- Mild
Prior moderate/severe reaction — elective study
Diagnosis: Premedication — elective (13 h)
- Moderate
Prior reaction — urgent study (accelerated)
Diagnosis: Premedication — urgent (accelerated)
- Moderate
Renal screening / metformin / CIN risk
Diagnosis: Contrast-Induced Nephropathy risk
Step 3 (treatment) appears once you select a finding. Always confirm with the current ACR Manual.