Contraindications; Warning And Cautions - Micro Direct MicroLoop Operating Manual

The MicroLoop uses a Digital Volume Transducer, an extremely
stable form of volume transducer, which measures expired air
directly at B.T.P.S (Body Temperature and Pressure with
Saturated water vapor) thus avoiding the inaccuracies of
temperature corrections.
effects of condensation and temperature and avoids the need for
individual calibration prior to performing a test.
Test results may be uploaded to a PC using the Spirometry PC
Software and patient details may be downloaded to the MicroLoop.

Contraindications

 Acute disorders affecting test performance (e.g. vomiting,
nausea, vertigo)
 Recent eye surgery (increases in intraocular pressure during
spirometry)
 Oral or facial pain exacerbated by a mouthpiece
 Recent myocardial infarction
 Post-operative thoracic surgery
 Hyperventilation syndrome
Note: Extensive exhalation might lead to syncope.

Warning and Cautions

The following terms are used as follows in this manual
CAUTION: Possibility of injury or serious damage
WARNING: Conditions or practices that could result in personal
injury
Note: Important information for avoiding damage to the
instrument or facilitating operation of the instrument.
Note: Patients below the age of four (4) may struggle to perform
spirometry correctly and reproducibly.
Note: The device should be used by trained and qualified
personnel.
The transducer is insensitive to the
2