Spirometry & Related Testing Equipment RET 2414L Pulmonary Function Testing Module 2.0.

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Spirometry & Related Testing Equipment RET 2414L Pulmonary Function Testing Module 2.0

Transcript of Spirometry & Related Testing Equipment RET 2414L Pulmonary Function Testing Module 2.0.

Page 1: Spirometry & Related Testing Equipment RET 2414L Pulmonary Function Testing Module 2.0.

Spirometry & Related Testing Equipment

RET 2414LPulmonary Function TestingModule 2.0

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Spirometry & Related Testing Equipment

Learning Objectives

Describe at least one volume displacement spirometer

List at least two principles used by flow-sensing spirometers to measure volume

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Spirometry & Related Testing Equipment

Spirometer Definition

Any Device used to measure lung volumes and flows

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Volume Displacement Spriometers

Water-Seal Spirometers (Collins, Stead-Wells)

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Volume Displacement Spriometers

Water-Seal Spirometers

Bell factor Kymograph

32,160,1920 mm/min

ATPS to BTPS Potentiometer

Flow/Volume FV Loop

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Spirometers

ATPS to BTPS Coversion

Actual values must be corrected to body temperature pressure saturated (BTPS)

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Volume Displacement Spriometers

Water-Seal Spirometers

Problems Cracks → Leaks Positioning

Too high Too low

Infection Control Hoses Mouth Pieces Filters

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Volume Displacement Spriometers

Dry Rolling-Seal Spirometers

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Volume Displacement Spriometers

Bellows – Type Spirometer

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Flow-Sensing Devices

Flow-Sensing Spirometers (pneumotachometers)

Devices that measure gas flow

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Flow-Sensing Devices

Turbine (impeller)

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Flow-Sensing Devices

Turbine (impeller)

Wright Spirometer VC, VT, VE

Flows 3-300L/min Not used for FVC Compact Gas sterilized

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Flow-Sensing Devices

Pressure Differential Flow Sensors

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Flow-Sensing Devices

Pressure DifferentialFlow Sensors

Fleich (capillary tubes) Silverman (screens) Heating element to

reduce condensation Recalibrate after cleaning

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Flow-Sensing Devices

Heated-Wire Flow Sensors

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Spirometry & Related Testing Equipment

Portable Spirometers Flow-sensing spirometer

interface with a laptop computer

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Spirometry & Related Testing Equipment

Portable Spirometers Portable spirometer using plug in

cards

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Spirometry & Related Testing Equipment

Portable Spirometers Handheld “office” spirometers

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Spirometer Calibration

3 – Liter Syringe

Used for volume calibration of volume-based and flow-based spirometers

ATS Standards +/- 3% Or +/- 0.05 L

Whichever is greater

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Spirometry & Related Testing Equipment

Peak Expiratory Flow Meters

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Spirometry & Related Testing Equipment

Peak Expiratory Flow Meters Recommended Ranges

ATS 60-400 L/min (children) 100-850 L/min (adults)

NAEPP

100-400 L/min (children) 100 – 700 L/min (adults)

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Spirometry & Related Testing Equipment

Respiratory Pressure Manometers Measures MIP and MEP

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Spirometry & Related Testing Equipment

MIP

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Spirometry & Related Testing Equipment

MIP

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Spirometry & Related Testing Equipment

MIP

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Spirometry & Related Testing Equipment

MIP


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