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SP-2 User Guide
Art. No. 71022-0000 Welch Allyn Schiller ©2000
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Taking a Test
Slow Vital Capacity (SVC) Test
The patient should breathe normally 3 times and then inhale to the
maximum extent of total lung capacity and then expire to the
maximum extent. Make sure that the patient understands what is
required of him.
MVV Test
The patient should breathe as deeply and as rapidly as possible
over a period of 6 to 12 seconds.
WARNING
CARE SHOULD BE EXERCISED WHEN
PERFORMING THIS TEST AS THERE IS A
DANGER OF HYPERVENTILATION. ENSURE
THAT THE PATIENT IS SITTING DOWN.
