847-213-9419 |
345 Executive Parkway | Rockford, Illinois 61107
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Reevue Testing

Direct Oxygen Measurement

ReeVue by KORR directly measures the concentration of oxygen breathed out by each patient. The patient merely breathes through a simple mouthpiece as all the exhaled air is collected and analyzed. Because there is a direct correlation between oxygen consumed and calories burned (4.813 calories for evert milliliter of oxygen consumed), an accurate measurement of oxygen consumption is an effective measurement of calorie consumption.

Mixing Chamber Technology

A mixing chamber is considered the “Gold Standard” for Indirect Calorimetry (more commonly referred to as a Metabolic Measurement). In the past, this system has been complicated and expensive, making it only practical for ICU’s and research department. KORR advancements in technology make this method feasible for the typical practitioner.


Adjustment for barometric pressure, temperature, and humidity are key to an accurate VO ₂ measurement. The ReeVue measures these parameters during each routine calibration cycle, then automatically compensates to standard (STPD) conditions.


When an Indirect Calorimeter takes its measurement at the mouth, the patient draws both their inhalation and exhalation through the measurement device (pneumotach), located in the equipment or attached to the mask. The air they breathe in will pass through the same mechanism as countless patients before them. KORR uses a one-way valve in the disposable MetaBreather mouth-piece. This draws in fresh room air with each inspiratory breath and eliminates concerns about cleaning equipment between patients.


The ReeVue performs and oxygen uptake test, which is CT code #94690.


The ReeVue has a simple user interface that assists the operator from start to finish. No training or certification is required. It does not require a computer or software, and even the printer is optional. Everything you need is at your fingertips.

345 Executive Parkway | Rockford, Illinois 61107 | 847-305-1954 | helpdesk@medluxrehab.com