Neurovascular Ultrasound in Acute Stroke: Emergency Department Applications - Stroke EXTRA Supplement (Stroke CME) | Points & Pearls
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Neurovascular Ultrasound in Acute Stroke: Emergency Department Applications - Stroke EXTRA Supplement (Stroke CME)

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Points & Pearls Excerpt

  • Ultrasound can be used to help determine various etiologies of stroke (see Table 2)9 and is a relatively low-cost, reliable, and noninvasive alternative to CTA or MRA.10
  • Unlike CTA, ultrasound does not require contrast, unlike CT angiography, and it is significantly faster than MRA.
  • Transcranial Doppler (TCD) is performed by placing a 2 MHz transducer in an axial plane that crosses the helix of the ear and the lateral canthal angle of the eye. (See Figure 1A.) The vessels of the circle of Willis can usually be visualized here due to the relatively thin temporal bone.
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Publication Information
Authors

Grigory Ostrovskiy, MD; Alexandra S. Reynolds, MD, RPNI; Aarti Sarwal, MD, FNCS, FAAN, FCCM, RPNI

Peer Reviewed By

Ryan Hakimi, DO, MS, NVS, RPNI, CPB, FNCS, FCCM, FAAN; Jennifer H. Kang, MD

Publication Date

May 15, 2024

CME Expiration Date

May 15, 2027    CME Information

CME Credits

4 AMA PRA Category 1 Credits™, 4 AOA Category 2-B Credits.
Specialty CME Credits: Included as part of the 4 credits, this CME activity is eligible for 4 Stroke CME credits, subject to your state and institutional approval.

Pub Med ID: 38652756

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