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…
Author: Pouyan Golshani
Founder of GigHz. Physician, builder, and deep-tech advisor exploring the intersections of advanced materials, medicine, and market strategy. I help innovators refine ideas, connect to the right stakeholders, and bring meaningful solutions to life — one signal at a time.
CTA Head and Neck (Carotid + COW) — Dictation, Appropriateness, and Dose for Residents
Single-acquisition contrast CT angiography from the aortic arch through the circle of Willis — the vascular workup paired with CT brain WO in suspected…
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.
Nuclear Medicine Bone Scan (Whole Body) — Dictation, Appropriateness, and Dose for Residents
Whole-body planar imaging with Tc-99m MDP/HDP that detects osteoblastic activity. The first-line study for screening bony metastatic disease in many…
MRI Prostate (Multiparametric) — Dictation, Appropriateness, and Dose for Residents
High-resolution multiparametric MRI of the prostate using anatomic T2, diffusion-weighted imaging, and dynamic contrast-enhanced imaging — the gold…
MRI Lumbar Spine Without Contrast — Dictation, Appropriateness, and Dose for Residents
Six-sequence non-contrast MRI of the lumbar spine for back pain, radiculopathy, suspected disc disease, stenosis, and compression fractures — the…
Ultrasound Abdomen Complete — Dictation, Appropriateness, and Dose for Residents
Comprehensive ultrasound of liver, gallbladder, biliary tree, pancreas, kidneys, spleen, aorta, and IVC. The first-line non-radiating, non-contrast…
CT Chest/Abdomen/Pelvis with IV Contrast — Dictation, Appropriateness, and Dose for Residents
Single-acquisition contrast-enhanced CT from lung apices through pubic symphysis. The cancer staging / restaging workhorse and a go-to study for…
CTA Pulmonary (PE Protocol) — Dictation, Appropriateness, and Dose for Residents
Time-critical contrast-enhanced CT of the pulmonary arteries to diagnose acute pulmonary embolism. Bolus-tracked off the pulmonary trunk so the contrast…