A novel use of the endocavity (transvaginal) ultrasound probe: central venous access in the ED

Michael P Phelan
American Journal of Emergency Medicine 2003, 21 (3): 220-2
Use of ultrasound (US) to obtain intravenous access is usually accomplished with a 7.5-MHz linear US probe. This paper describes the use of an endocavity US probe to obtain vascular access. Since both probes use US of the same megahertz values, the picture quality with the two is no different. Because the equipment used for each type of probe costs thousands of dollars, the economic value of having to purchase one less probe may be significant.

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