Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association
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Vet Radiol Ultrasound · Sep 2010
An in-house phantom as an alternative to commercially available Doppler flow phantoms.
Learning the principles and application of Doppler ultrasound is difficult and requires repeated practice. Flow phantoms provide a method of teaching Doppler techniques before their application in clinical patients; however, commercially available flow phantoms are expensive. Herein we describe an easily constructed, economic Doppler flow phantom, utilizing readily available products, for use as a training aid.
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Vet Radiol Ultrasound · Sep 2010
Ultrasonographic percutaneous anatomy of the caudal lumbar region and ultrasound-guided lumbar puncture in the dog.
Subarachnoid lumbar puncture is used commonly in the dog for cerebrospinal fluid collection and/or myelography. Here in we describe the percutaneous ultrasound anatomy of the lumbar region in the dog and a technique for ultrasound-guided lumbar puncture. Ultrasound images obtained ex vivo and in vivo were compared with anatomic sections and used to identify the landmarks for ultrasound-guided lumbar puncture. ⋯ The anatomic landmarks for the ultrasound-guided puncture, which should be identified on the parasagittal oblique ultrasound image are the articular processes of the fifth and sixth lumbar vertebrae and the interarcuate space. The spinal needle is directed under ultrasound-guidance toward the triangular space located between the contiguous articular processes of the fifth and sixth lumbar vertebrae and then advanced to enter the vertebral canal. Using these precise ultrasound anatomic landmarks, an ultrasound-guided technique for lumbar puncture is applicable in the dog.