Algorithm - Multi-Beat Analysis Technology (MBA)
Featuring the proprietary Multi-Beat Analysis (MBA™) algorithm for consistently accurate cardiac output measurements.
Products Details
Unlike other monitors that analyze one beat at a time, the Argos MBA algorithm analyzes multiple heart beats from the blood pressure signal to provide the highest quality hemodynamic data.
In addition, the magnitude and timing of the wave ...
In addition, the magnitude and timing of the wave reflections can vary, depending on the condition of the patient and any interventions that may be performed. For example, the reflected waves and the corresponding amplification of systolic pressure and pulse pressure are magnified by vasoconstriction and minimized by vasodilation. As a result, conventional circulatory models, such as the three-parameter Windkessel model and other lumped parameter models, do not accurately represent the circulation because they ignore the confounding effects of wave reflection.
What is Multi-Beat Analysis (MBA™)?
Professor Rama Mukkamala, the inventor of the Multi-Beat Analysis (MBA™) algorithm, recognized that the confounding effects of arterial wave reflections diminish when analyzing multiple beats. As a result, analyzing a peripheral arterial blood pressure (ABP) over multiple beats offers a superior approach to determining CO more accurately.
The MBA™ algorithm uses two steps to determine a single-contraction ABP response:
- Construction of a cardiac contraction signal based on an impulse train in which each impulse is positioned at the starting point of an ABP pulse upstroke and is then scaled by the subsequent pressure pulse
- Estimation of an impulse response, which is then optimally fitted to the ABP waveform segment.
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