Respiratory PhysiologistRespiratory Physiologist

Dr Bruce ThompsonDr Bruce Thompson

Head, Physiology ServiceHead, Physiology Service

Lung function laboratoryLung function laboratory

Test in excess of 7000 patientTest in excess of 7000 patientss/year./year.– Simple spirometry – Complex measures of gas Simple spirometry – Complex measures of gas

exchange and cardiopulmonary exercise tests.exchange and cardiopulmonary exercise tests.– 6.5 EFT perform these tests plus other duties – 6.5 EFT perform these tests plus other duties –

eg research and development. eg research and development. – All the staff come from a physiology/ Medical All the staff come from a physiology/ Medical

physics background.physics background.

• Ventilatory function• Lung volumes & capacities• Diffusing capacity• Lung & chest compliance• Distribution of ventilation• Arterial blood gases• Pulmonary blood flow• Respiratory muscle strength• Control of ventilation

No single lung function test measures all aspects of

respiration

Factors Affecting Lung FunctionFactors Affecting Lung Function

Common Respiratory Function Common Respiratory Function TestsTests

Ventilatory functionVentilatory function Lung volume estimations: gas dilution Lung volume estimations: gas dilution

body plethysmography body plethysmography Gas transfer (TLCO)Gas transfer (TLCO) Blood gas analysisBlood gas analysis Bronchial provocation challenge: Methacholine,Bronchial provocation challenge: Methacholine,

Histamine, Exercise, Hyperosmolar (saline)Histamine, Exercise, Hyperosmolar (saline) Lung mechanics: compliance, conductanceLung mechanics: compliance, conductance Ventilatory responses to hypoxia and hypercapniaVentilatory responses to hypoxia and hypercapnia Cardio-pulmonary exercise testingCardio-pulmonary exercise testing

How did I get my first job?How did I get my first job?

I did I get to where I am now?I did I get to where I am now?

How do I apply my knowledge How do I apply my knowledge of Science in my job?of Science in my job?

What other pathways have I What other pathways have I considered takingconsidered taking

What I my career goals?What I my career goals?

What advice would I have like to What advice would I have like to have heard as an undergrad?have heard as an undergrad?