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Use Instructions

ManualsBrandsTexas Instruments ManualsHealth MonitorsSpiroSphere is a diagnostic compact device to measure inspiratory and expiratory lung function parameters
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SpiroSphere
®
ECG Instructions for Use
Page 35/136
Version 02.02 • 04AUG2022
ERV/VCin
The patient should exhale slowly (see "Note" below) and completely (ERV - gure
2
) followed by
a slow and complete inhalation (VCin - gure
3
). Then, continue to breathe normally.
ERV
6 s
2
VCin
3
Tap on <Evaluate> to end the rst effort.
In order to reach the end-expiratory level the following two criteria must be complied with
according to ATS/ERS.
1. Duration of expiration (ERV)
Patients must exhale for at least 6 seconds.
2. End of Test Criteria (ERV)
Towards the end of the expiration it is important to motivate the patient to try hard. Within
the last second of expiration the exhaled volume must not exceed 25 mL.