Felis ISSN 2398-2950

Blood pressure: Doppler ultrasound

Contributor(s): John Dodam

Introduction

Uses

  • Doppler ultrasound can be used as a method for non-invasive measurement of arterial blood pressure.

Technical details

  • A thin flat transducer containing two crystals is placed on the skin over an artery Blood pressure monitoring 01 .
  • Ultrasound signals emitted by one crystal are reflected back to the second crystal by the moving artery wall.
  • Incident and reflected ultrasound signals are at different frequencies. This is converted to an audible pulsing sound ('whooshing' noise with each pulse).

Technique

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Advantages and disadvantages

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Further Reading

Publications

Refereed papers

  • Recent references from VetMed Resource and PubMed.
  • Jepson R E, Hartley V, Mendl M, Caney S M E & Gould D J (2005) A comparison of CAT Doppler and oscillometric Memoprint machines for non-invasive blood pressure measurement in conscious cats. J Feline Med Surg 7, 147-152 PubMed.
  • Meurs K M, Miller M W et al(2000) Arterial blood pressure measurement in a population of healthy geriatric dogsJAAHA 36, 497-500.
  • Bodey A R & Rampling M W (1999) Comparison of hemorrheological parameters and blood pressure in various breeds of dogJSAP 40(1), 3.

Other sources of information


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