MRA Brain Without Contrast (3D TOF) — Dictation, Appropriateness, and Dose for Residents
Non-contrast MR angiography of the intracranial circulation using 3D time-of-flight technique. Detects aneurysms, AVMs, and vascular stenosis without…
Tag: head brain
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MRI Brain Seizure/Epilepsy — Dictation, Appropriateness, and Dose for Residents
Dedicated brain MRI with high-resolution coronal hippocampal sequences and 3D volumetric T1 for epilepsy localization. Workup of first-time seizure,…
MRI Brain Stroke Protocol — Dictation, Appropriateness, and Dose for Residents
Fast multimodal MRI for acute stroke — DWI, FLAIR, T2*, MRA brain, perfusion (PWI). Most sensitive test for acute infarct; alternative to CT-based stroke…
MRI Brain With and Without Contrast — Dictation, Appropriateness, and Dose for Residents
Routine brain MRI plus pre and post-gadolinium T1 sequences. The diagnostic gold standard for brain tumor, infection, infectious meningitis, MS with…
CT Stroke Protocol (CT + CTA + CTP) — Dictation, Appropriateness, and Dose for Residents
Three-component time-critical CT protocol — non-contrast CT excludes hemorrhage, CTA Head/Neck identifies large-vessel occlusion, and CT perfusion…
CTV Head (Cerebral Venogram) — Dictation, Appropriateness, and Dose for Residents
Single venous-phase CT of the head to evaluate dural venous sinuses and cortical veins for thrombosis, stenosis, or extrinsic compression. Higher temporal…
CTA Head (Circle of Willis) — Dictation, Appropriateness, and Dose for Residents
Contrast CT angiography limited to the intracranial circulation — used when only intracranial vasculature is in question (aneurysm, AVM, vasospasm). Most…
CT Brain With Contrast — Dictation, Appropriateness, and Dose for Residents
Post-contrast head CT for tumor, infection, abscess, and breakdown of blood-brain barrier when MRI is contraindicated or unavailable.
MRI Brain Routine (Without Contrast) — Dictation, Appropriateness, and Dose for Residents
The workhorse non-contrast brain MRI — six core sequences that characterize most brain pathology including stroke, demyelinating disease, mass effect,…
CT Brain Without Contrast — Dictation, Appropriateness, and Dose for Residents
Fast non-contrast CT of the head — the first-line study for any acute neurologic complaint. Detects hemorrhage, mass effect, hydrocephalus, large…