Portable VO2 meter
First Claim
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1. A method of determining VO2 for an individual from known or predicted RQ values, for example at RQ≅
- 1;
(i) providing an oxygen sensor, (ii) providing preferably bi-directional, respiratory flow sensing, (iii) determining the onset of the sustained rise of the ventilatory equivalent for oxygen, Ve/VO2, (iv) providing calculated VO2 values with RQ-based adjustments even in the absence of available CO2 data.
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Abstract
A method of determining VO2 for an individual from known or predicted RQ values, for example at RQ≅1; (i) providing an oxygen sensor, (ii) providing preferably bi-directional, respiratory flow sensing, (iii) determining the onset of the sustained rise of the ventilatory equivalent for oxygen, Ve/VO2, (iv) providing calculated VO2 values with RQ-based adjustments even in the absence of available CO2 data.
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Citations
10 Claims
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1. A method of determining VO2 for an individual from known or predicted RQ values, for example at RQ≅
- 1;
(i) providing an oxygen sensor, (ii) providing preferably bi-directional, respiratory flow sensing, (iii) determining the onset of the sustained rise of the ventilatory equivalent for oxygen, Ve/VO2, (iv) providing calculated VO2 values with RQ-based adjustments even in the absence of available CO2 data. - View Dependent Claims (2)
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3. A device for determining VO2 from known or predicted RQ values comprising,
an oxygen sensor but lacking a CO2 sensor, a respiratory flow sensor, and computer related interfaces and software thereby determining accurate VO2 measurement for an individual during exercise.
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4. A VO2 meter for determining VO2 from known or predicted RQ values comprising, a patient interface,
an O2 sensor, a flow (volume) meter, (in one embodiment bi-directional) a heart rate pickup device, for example by “ - Polar”
,a mixing chamber, (preferably a mini-mixing chamber), temperature and barometric pressure sensors, a memory and a PC interface such as a USB thereby determining accurate VO2 measurement for an individual during exercise. - View Dependent Claims (5, 7)
- Polar”
- 8. A VO2 meter comprising a patient interface, an O2 sensor, a bi-directional flow (volume) meter, a heart rate pickup device, a mini-mixing chamber, temperature and barometric pressure sensors, a memory and a PC interface such as a USB thereby determining accurate VO2 measurement for an individual during exercise.
Specification