Breathe Easy

Breathe Easy Pediatrics Presents: Tidal Volume Episode 6 – RC Time Constants

Dec 13, 2022

35:50

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Highlights

AI Chapters

Episode notes

How Do Time Constants Affect a Healthy Subject?

02:08

Scuba Diving for Children With Asthma

01:36

Mechanically Ventilating Lungs With Heterogeneous Disease

02:09

Introduction

2min

Is There a Time Constant?

2min

What Is the Unit of Time Constants?

2min

The Time Constant in Pulmonary Physiology

2min

How Do Time Constants Affect a Healthy Subject?

2min

Mechanically Ventilating Lungs With Heterogeneous Disease

2min

Mechanically Ventilating a Patient, the End Expiratory Lung Volume Will Not Be Exhaled

2min

How to Reduce End Expiratory Lung Volume in Preterm Infants

2min

How Do Time Constants of the Respiratory System Change With Age?

2min

10.

Time Constants in Lung Diseases

2min

11.

How Do I Know if My Lungs Have Long Time Constants?

2min

12.

Is It Safer to Mechanically Ventilate Patients With Long Time Constants?

3min

13.

Increasing End-Expertory Lung Volumes on a Mechanical Ventilator

2min

14.

How Extrinsic Peep Can Affect End-Expertory Lung Volume

2min

15.

Long Time Constants in Scuba Diving

2min

16.

Is Long Time Constants a Problem in Commercial Airflights?

2min

17.

Scuba Diving for Children With Asthma

2min

18.

Do You Have Lung Cysts?

2min

Reviewers

Ryan Thomas, MD
Elizabeth Fiorino, MD
Rob Tepper, MD
Albin Leong, MD

Additional Acknowledgements

Michael Kiernan, MD (for expertise on scuba physiology)

Contact Information

Email: TidalVolumeATSPeds@gmail.com
Twitter: @ATSPeds

References

Ratjen FA, Colin AA, Stark AR, Mead J, And Wohl MEB, Changes of time constants during infancy and early childhood. J. Appl. Physiol. 67(5):2112-2115, 1989.
LeSouef PN, England SJ, and Bryan AC, Passive Respiratory Mechanics in Newborns and Children, Am Rev Respir Dis, 1984: 129:552-558.
Otis AB et al, Mechanical Factors in the Distribution of Ventilation, J Appl Physiol, 8(4): 427-443.
Deranged Physiology > Respiratory System > Mechanics of Breathing >Time Constants: https://derangedphysiology.com/main/cicm-primary-exam/required-reading/respiratory-system/Chapter%20034/time-constants

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