Technique & Measurements

VPR technology

The Volume-Pressure Recording technology used in the sensors is clinically validated and provides virtually 99% correlation with direct blood pressure measurements.

It determines the tail blood volume using a volume pressure recording sensor and an occlusion tail-cuff.


Six blood pressure parameters are acquired in rodents (from 8 g mice to rats as large as 950 g, dark-skinned mice (C57BL/6) without difficulty): 

  • Systolic blood pressure
  • Diastolic blood pressure
  • Mean blood pressure
  • Heart rate
  • Blood flow
  • Blood volume

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