Welch Allyn PneumoCheck Manual de usuario

Fii.!

Welch

Allyn

PneumoCheckTM

and

Printer/Charger

Operating

Instructions

Fvi!!

w!!

Welch Allyn

Thank you for purchasing the Welch Allyn PneumoCheck. The

operating and maintenance instructions found in this manual should

be followed to ensure many years of accurate and reliable service.

Please read these instructions thoroughly before using your Welch

Allyn PneumoCheck Spirometer and Printer/Charger.

**Welch Allyn gratefully acknowleges the assistance of Paul L.

Enright,

M.D. of the

Mayo Clinic in Rochester, Minnesota for his assistance in preparing and reviewing

sections of this manual.

Welch Allyn

CONTENTS

Introduction

Spirometry

..............

IndicationsforSpirometry

..............

Parts of the Welch Allyn

PneumoCC

Preliminary Operating Instructions,

The FVC Test

....................................

Quick FVC Reference Chart..

........

Description.....................................

Measurement Parameters.............

Obtaining Good FVC Results

........

Doing an FVC Maneuver...............

Doing Multiple Tests on a Patient..

Interpretation of Results................

The MVV

Test

...................................

Description.....................................

Measurement Parameters

.............

Obtaining Good MVV Results..

......

Doing an MVV Maneuver..............

Doing Multiple Tests on a Patient..

Interpretation of Results................

Parts of the PneumoCheck Printer/l

Printer/Charger Operating instructi

Setting Up......................................

Setting Report Format Options..

....

Predicted

Normals.....................

Short Form/Long Form..............

Flow/Volume or Volume/Time PI

Entering

Patient Data....................

Printing

..........................................

Paper Feed....................................

Paper Jams

...................................

PaperReplacement

.......................

Stopping the

Printer

.......................

Error Conditions.............................

Calibration Check and Flecalibratio

The ATS Recommendation

...........

CalibrationCheck

..........................

Recalibration

..................................

Quick Calibration Check and

Reca

\w!!

Welch Allyn

CONTENTS

Introduction

Spirometry..

...........................................................

IndicationsforSpirometry

............................................................. .2

Parts

of the WelchAllynPneumoCheck Spirometer..

................. .3

Preliminary Operating Instructions

................................................

The

FVCTest................................................................................... .5

Quick

FVC

ReferenceChart

......................................................... .5

Description.....................................................................................

Measurement

Parameters

............................................................

Obtaining

GoodFVCResults

....................................................... .8

Doing

FVC

Maneuver.............................................................

Doing

Multiple Tests on a Patient................................................

Interpretation

Results

..............................................................

TheMVVTest................................................................................

.20

Description

..................................................................................

.20

Measurement

Parameters

..........................................................

.20

Obtaining

Good

MVVResults.....................................................

.21

Doing

MVV

Maneuver...........................................................

.21

Doing

Multiple Tests on a Patient............................................... .22

Interpretation

Results

............................................................. .22

Parts of the PneumoCheck Printer/Charger

................................23

Printer/ChargerOperatingInstructions

......................................

.24

Setting

................................................................................... .24

SettingReportFormat

Options................................................... .24

PredictedNormals

.................................................................. .24

Short

Form/Long

Form

........................................................... .25

Flow/Volume or Volume/Time

Plot

.........................................

.25

EnteringPatientData

.................................................................

.26

Printing

....................................................................................... .27

Paper Feed

.................................................................................

.28

Paper Jams

................................................................................

.28

PaperReplacement

.................................................................... .28

Stopping the

Printer

.................................................................... .29

Error

Conditions..........................................................................

.30

Calibration Check and Recalibration

...........................................

The ATS Recommendation

........................................................

.31

CalibrationCheck

.......................................................................

.32

Recalibration

............................................................................... .34

Quick Calibration Check and Recalibration Reference Charts.

..3 6

INTRODUCTION TO

SPIROM

Battery

Maintenance..

................................................................... .37

Battery

Recharging

.....................................................................

.37

Battery

Replacement

..................................................................

.39

Cleaning and Sterilization

.............................................................

Pneumotach

...............................................................................

.41

Body of

PneumoCheck

...............................................................

.42

Printer/Charger...........................................................................

.42

Charging

Transformers...............................................................

.42

Accessories

.................................................................................... 43

Warranty.........................................................................................

Repair..............................................................................................

Appendix

PneumoCheckMessages..

.................................... .45

PneumoCheck Status

Messages...............................................

.45

PneumoCheckError

Messages..................................................

.48

PneumoCheck Test Values

........................................................

.48

Appendix B

Maneuver Quality Messages

..................................

Appendix C

Predicted Normal Values

.......................................

The

Ideal

Study..........................................................................

.51

Predicteds

Available on Your PneumoCheck.............................

.51

RacialDifferences

......................................................................

.52

CalculatingPredictedValuesManually

......................................

.52

Reference Tables:

Knudson, 1983

122121*

.........................................................................

.54

Knudson,

1976,13,........................................................................

.56

Morris, Crapo, et al., 1981

144

........................................................

European Community for Coal and Steel

166

.................................

Coefficients for

MVV'ss

................................................................

.58

Appendix D

Technical Specifications

........................................

PneumoCheck

............................................................................

.59

Printer/Charger...........................................................................

.60

StandardsCompliance

...............................................................

.60

Appendix E

Glossary

...................................................................

Appendix F

Bibliography

........................................................... .64

The Welch

Allyn

PneumoCheck is a

tally

designed to perform FVC and

accurately. In order to properly use y

useful test results, you should be fan

spirometry:

A spirometer is a device that measur

breathed into or out of it.

To perform a spirometry test, a

patie

in a prescribed manner over a knowr

ent types of spirometry tests can be

of which yields different information

INTRODUCTION TO SPIROMETRY

The Welch

Allyn

PneumoCheck

is a hand-held spirometer specifi-

cally designed to perform FVC and MVV spirometry tests easily and

accurately. In order to properly use your PneumoCheck and to obtain

useful test results, you should be familiar with the basic principles of

spirometry:

A spirometer is a device that measures the amount of air that is

breathed into or out of it.

To perform a spirometry test, a patient breathes into the spirometer

in a prescribed manner over a known period of time. Several differ-

ent types of spirometry tests can be done using a spirometer, each

of which yields different information about the patient’s lung function.

PARTS OF THE WELCH ALLYN

PNEUMOCHECK SPIROMETER (#61000)

PNEUMOTACH

ASSEMBLY

MOUTHPIECE

LIQUID

---I

CRYSTAL

DISPLAY

BODY OF

PNEUMOCHECK

ON/OFF

SWITCH

PNEUMOTACH

ASSEMBLY

L(ORANGE)

SPEAKER FOR

AUDITORY

SIGNALS

BODY OF

PNEUMOCHECK

CHARGING

JACK

DATA/CHARGING

CONTACT

PRELIMINARY OPERATING INSTRUCTIONS THE FVC TEST

If the instrument has not been stored at room temperature, allow

45 minutes for the temperature of the instrument to stabilize.

Visually check the screen of the PneumoCheck (see p. 41) and

check the calibration (see p. 31).

Instruct the patient about what is expected and how to perform a

good test (see p. 8 for FVC or p. 21 for MVV).

Ask the adult patient to attach a disposable mouthpiece using a

push-and-twist motion to ensure a snug fit.

For children, insert a disposable pediatric mouthpiece.

Slide the ON/OFF switch to the right to turn instrument on. The

word CLEAR will appear on the liquid crystal display (LCD) and a

beep will sound indicating the instrument’s memory has been

cleared.

When SELECT is displayed, select the type of test by repeatedly

depressing the TEST button:

Press once and release to access FVC.

Press again and release for MVV.

Press again and release for CAL (calibration).

Press and release a fourth time to return to SELECT.

With each selection the appropriate word or abbreviation will appear

on the liquid crystal display (SELECT, FVC, MVV, CAL). Within

three seconds that particular test will begin.

QUICK FVC REFERENCE CHART

How To Use Your PneumoCheck a

Enter Age, Height, Race, Sex into

Printer/Charger

Instruct and Demonstrate

Correci

FVC maneuver

Visually Check Screen of PneumoCh

Switch PneumoCheck ON, wait fo

SELECT and press TEST

DoFVC1,2,3...

3 Good Tests?

Place PneumoCheck into

PrinterKha

Wait for green DATA light to stop

Interpret Results

THE FVC TEST

QUICK FVC REFERENCE CHART

How To Use Your PneumoCheck and Printer/Charger

Enter Age, Height, Race, Sex into

Printer/Charger

Instruct and Demonstrate Correct

Visually Check Screen of PneumoCheck

Switch PneumoCheck ON, wait for

SELECT and press TEST

DoFVC1,2,3...

Place PneumoCheck into Printer/Charger

Wait for green DATA light to stop

flashing, then press PRINT

Interpret Results

DESCRIPTION

The most frequently performed spirometry test is the forced expira-

tory vital capacity test, or FVC. It is commonly used for basic pulmo-

nary function testing as well as managing patients with chronic

obstructive pulmonary disease (COPD), asthma, emphysema,

bronchitis, or other lung diseases.

When doing a single maneuver, the patient inhales as much air as

possible, then exhales as rapidly and as completely as possible into

the spirometer. To perform a complete FVC spirometry test, the

patient should complete three or more acceptable FVC maneuvers

with a brief rest between each one.

MEASUREMENT PARAMETERS

Several characteristics of the FVC maneuver are helpful in evaluat-

ing the patient’s lung function.

The two most commonly used parameters are FVC and FEV1 :

FVC

Forced Expiratory Vital Capacity, the total amount of air (in liters)

exhaled during an FVC maneuver.

FEVl

Forced Expiratory Volume in one second, the volume of air (in liters)

exhaled during the first second of the FVC maneuver. FEVl is also

the measure of the average flow rate during the first second of the

FVC maneuver.

Other commonly used FVC parameters include:

FEVl

/FVC%

(also called RATIO) the ratio of the FEV1 to the FVC, expressed as

a percentage.

FEF25%-75%

Forced Expiratory Flow between the 25% and 75% volume points

(also called Mean Mid Expiratory Flow or MMEF). A measurement

of the average rate of flow (in liters/second) during the middle 50%

of the FVC maneuver.

PEF

Peak Expiratory Flow, the highest rat

during the FVC maneuver.

Once an acceptable FVC maneuver I

results can be compared to establish1

determined. The norms are based

of the patient.

Lung disorders usually fall into one

lung diseases or restrictive disorders

Obstructive lung diseases are those

rates or airflow limitation, such as ast

Chronic Obstructive Pulmonary

Disc:

Restrictive disorders are those that

reduced, such as congestive heart fa

pneumonia, pleural fibrosis, pneumoc

In general, it is possible to categorize

these two groups and gauge its seve

but it is usually not possible to identif

further information. The patient’s res

ment, response to various bronchodil

specific pulmonary tests may be

neec

disorder.

NOTE: During FVC maneuvers in

the

instrument assumes that air at body

saturated with water (BTPS) will be

applied.

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