Roy McKay Ph.D.
 Interpretation of Spirometry: Beyond the Numbers

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About Roy McKay


Course Schedule

  • September 25, 2024
Course Fee: $340

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This one day course is ideal for all health professionals who desire a comprehensive course designed specifically for interpretation of spirometry tests. Several interpretative strategies will be discussed including those consistent with the American Thoracic Society (ATS) and European Respiratory Society (ERS). The strengths, weaknesses, pitfalls, and limitations of other strategies (GOLD, NICE, etc.) will also be discussed and compared. This class will distinguish spirometry parameters that are useful and not useful for interpretation. Practical tips for categorizing the severity of reduced lung function will be explored. Practice problems will be used to help the student recognize acceptable from unacceptable trials and when unacceptable maneuvers still have usable information. Examples of poorly administered and improperly performed tests will be presented to help students recognize poor subject effort, unacceptable maneuvers, limitations of equipment, which parameters provide useful information, and other factors that alter the interpretation algorithm. Students will also learn how to recognize the magnitude and direction of error introduced when less than ideal results are obtained.

A variety of methods will be presented to identify potentially significant changes in lung function. This information is very helpful in regards to identifying persons with true lung disease versus variability in the test. At the conclusion of this course, students will be capable of recognizing acceptable spirometry maneuvers and will learn how to interpret test results while decreasing the false positive and false negative rate of obstructive and restrictive lung disease patterns. This course is a "must" for persons who need comprehensive training to properly interpret spirometry test results.

  • Recognize important components of spirometry standards that impact interpretation of results.
  • Interpret spirometry graphs as to the type of pattern.
  • Recognize conditions that affect spirometry results.
  • Identify errors in testing equipment or procedures that may affect results.
  • Recognize potentially significant change in spirometry testing.

Course Content:

Review Standards and Guidelines
ATS and ERS Standards and Guidelines
Definitions & Significance of FVC, FEV1, FEF25-75%, Peak Flow, etc.
Should FEF25-75% be used to identify "small airways" disease?
Selection & Limitations of Predicted Normal Values
Are the predicted values correct for your patient?
Lower Limits of Normal and Occupational Standards
Which lower limits of normal should be used?
Interpretation Schemes & Lung Disease Patterns
New interpretation schemes with simple to use flow diagrams will be provided. These newer interpretation schemes do not discriminate by using a "fixed" cutoff for the observed FEV1/FVC ratio.
Examples of Obstructive & Restrictive Patterns and Causes
Plenty of examples to help understand this important area.
How to Identify an Improperly Performed Test
Review of key spirometry pitfalls, recognition, and solutions.
What is a Significant Change in Lung Function with Time
The NIOSH technique of a 10% change rarely works in real life. Examples of new techniques will be presented.
How to read a Flow - Volume display
Learn how to recognize obstructive & restrictive patterns, hesitating starts, coughs, and other causes of poor subject effort that may invalidate test results.

This program is usually held at a local hotel, located between downtown Cincinnati and the Cincinnati International Airport.

When you register, a confirmation letter will be sent with the name, location, and phone number of the host hotel.

Special arrangements will be made to reserve a block of rooms at a discounted rate. Your confirmation letter will have specific details; however, when in doubt identify yourself as a participant with the "University of Cincinnati".

8:00 Registration begins
8:30 Lectures begin
5:00 Lectures end

Tuition: refer to registration form for current fee
Tuition includes all course materials and a comprehensive workbook. Students are enrolled in the order in which payment and registration is received. After payment is received, a confirmation letter will be sent to each student. Students should not make non-refundable travel arrangements until the confirmation letter is received. In the unlikely event the program is canceled due to accident, injury, or other unexpected event, your registration fee will be refunded in full. Liability is however, limited to the course fee. After your registration request is submitted, an email reply should be received within 48 hours. If a reply is not received, send an email to

Substitution, Transfer, Cancellation, & No-Show Policy:

  • Substitutions: We will gladly substitute another student for the same course date at any time at no charge.
  • Transfers: A one-time transfer request received at least 30 days prior to the course date is permitted. A new course date must be provided at the time of the transfer request. An administrative transfer fee (see schedule below) must be paid within 7-days, otherwise the request is denied and handled as a cancellation. Transfer requests received within 30 days of the course date are not permitted.
    • Request received more than 60 days prior to course date - Administrative Transfer Fee: None
    • Request received 30 - 60 days prior to course date - Administrative Transfer Fee: 40%
  • Cancellations: Written cancellation requests received within 30 calendar days are non-refundable.
    • Request received more than 60 days prior to course date - Amount Refunded: 75%
    • Request received 30 - 60 days prior to course date - Amount Refunded: 25%
  • No Shows: Refunds are not provided if student doesn't attend their confirmed course date.

Course Schedule

  • September 25, 2024
Course Fee: $340

Register Now

This course can be given on-site. For information call (513) 558-1234 and ask for Dr. McKay.