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Clinical Applications of Ultrasound-Guided Regional Anesthesia 

Clinical Applications of Ultrasound-Guided Regional Anesthesia
Chapter:
Clinical Applications of Ultrasound-Guided Regional Anesthesia
Author(s):

Hugh M. Smith

DOI:
10.1093/med/9780199743032.003.0008
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date: 06 December 2019

Ultrasound-guided regional anesthesia involves six steps: preparation, visualization, approximation, interrogation, deposition, and evaluation. Each step is reviewed in detail. Preparation includes patient positioning, monitor placement, draping, and equipment placement. Visualization involves scanning the anesthesia area to identify relevant anatomy. Approximation is determining how best to approach the target nerve with the needle. Interrogation involves nerve stimulation to determine correct needle placement so that deposition of the anesthetic can take place. Finally, evaluation of the effectiveness of the block allows for rescue options if needed. Clinical pearls and common errors and pitfalls related to ultrasound-guided regional anesthesia are also included.

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