Trauma scenarios
| Clinical case | Primary test | Other tests |
| ATLS protocol* | C-spine XR, | CT neck, chest, |
| CXR, pelvis XR | abdomen, pelvis | |
| Head injury | CT head† | |
| Orbital trauma | XR face, orbits | CT |
| Facial trauma | XR face | CT |
| Mandibular trauma | XR mandible, OPG | |
| Spinal injury | XR (pain) | CT (MR if neuro deficit) |
| Fall and unable to weight-bear | XR pelvis + lateral hip | CT, MR |
| Simple pneumothorax | CXR | CT |
| Abdominal injury | Erect CXR + AXR | CT |
| Renal trauma | CT | IVU, US |
| Limb injury | XR | CT, MR, US |
| Scaphoid # | 4-view XR | MR, CT |
| Foreign body | XR | US |
* Advanced Trauma Life Support. American College of Surgeons 2008
† Head Injury. Methods, Evidence & Guidance. NICE 2007
Cardiovascular and respiratory scenarios
| Clinical case | Primary test | Other tests |
| STEMI | CXR, PCI | Echo, CT, MR, NM |
| N-STEMI | CXR, Echo | CTA, MR, NM |
| Heart failure | CXR, Echo | MR, CT, NM |
| PE | CXR | CTPA, NM, MRA |
| AAA | US | CT, MR, CTA |
| Ischaemic leg | Duplex US | CTA, MRA, Angiography |
| DVT | Duplex US | Venography |
| LRTI | CXR | |
| Pleural effusion | CXR | US, CT |
| Haemoptysis | CXR | CT, Angiography |
Head and neurological scenarios
| Clinical case | Primary test | Other tests |
| Stroke | CT | MR, CTA, Carotid US |
| TIA | CT, carotid US | Angiography, CTA, MRA |
| Intracranial mass | CT, MR | |
| Sudden, severe headache | CT | MR, CTA |
| Posterior fossa signs | CT, MR | |
| Dementia | CT, MR | NM |
| ?Venous sinus thrombosis | CT, MR | CT, MR venography |
Gastrointestinal scenarios
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