Respiratory Metrics
Lung function and respiratory health
Blood Oxygen Saturation (SpO2)
The percentage of hemoglobin saturated with oxygen.
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BOLT Score
Body Oxygen Level Test, measuring comfortable breath hold time.
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Breath Hold Time
Maximum duration of breath holding, related to CO2 tolerance.
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FEV1
Forced Expiratory Volume in 1 second, measuring how quickly you can exhale.
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FEV1/FVC Ratio
The ratio of FEV1 to FVC, used to diagnose obstructive lung disease.
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Forced Vital Capacity (FVC)
The maximum amount of air you can forcibly exhale after a full breath.
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Lung Age
Estimated age of your lungs based on spirometry results compared to population norms.
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Maximal Voluntary Ventilation (MVV)
The maximum amount of air you can breathe in and out in one minute.
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Peak Expiratory Flow (PEF)
The maximum speed of exhalation, often used to monitor asthma.
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Respiratory Rate (RR)
The number of breaths taken per minute.
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