Pat Yeh, Ph.D A team of biophysicists worked ten years to develop new, inexpensive technology that delivers accurate metabolic measurements under the most demanding exercise conditions.

The result was Parvo Medics’ TrueOne® metabolic monitors, so accurate that it was selected to study exercise-induced altitude sickness in the Chilean Andes by the world’s top exercise physiologists.

TrueOne® also found its way into NASA, NIH, U.S. Olympic Training Centers, USARIEM, Cooper Institute, Duke, Harvard, Stanford, Washington, Florida, Tennessee, and Penn State Universities.

Pat Yeh, Ph.D. President, Parvo Medics

‘Our System is based on accuracy, reliability and ease of use.’


Parvo Medics is dedicated to making metabolic measurement easy. Parvo Medics’ TrueOne® 2400 is a compact diagnostic system that is accurate, reliable and easy to use. With TrueOne® 2400, obtaining a resting and exercise metabolic measurement is simple. TrueOne® 2400 meets your needs for clear reports, simple operation and low maintenance. Use it for:

  • Sports Medicine
  • Energy Assessment
  • Exercise Prescription
  • Rehabilitation Evaluation
  • Disability Assessment
  • Differential Diagnosis


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Accuracy, Ease of Use, Reliability and Strong Technical Support!

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