Crackles - Coarse (Rales) 230
Virtual Auscultation
 
        
The patient's position is seated.
Lesson
Coarse crackles are discontinuous, brief, popping lung sounds. Compared to fine crackles they are louder, lower in pitch and last longer. They have also been described as a bubbling sound. You can simulate this sound by rolling strands of hair between your fingers near your ear.Waveform
Authors and Sources
Authors and Reviewers
- 
                    Heart sounds by Dr. Jonathan Keroes, MD and David Lieberman, Developer, Virtual Cardiac Patient.
- Lung sounds by Diane Wrigley, PA
- Respiratory cases: William French
- 
                    David Lieberman, Audio Engineering
- 
                    Heart sounds mentorship by W. Proctor Harvey, MD
- Special thanks for the medical mentorship of Dr. Raymond Murphy
- Reviewed by Dr. Barbara Erickson, PhD, RN, CCRN.
- 
                    Last Update: 12/11/2022 
Sources
- 
                        Heart and Lung Sounds Reference Library
                    
                    Diane S. Wrigley
 Publisher: PESI
- 
                    Impact Patient Care: Key Physical Assessment Strategies and the Underlying Pathophysiology
                    
 Diane S Wrigley & Rosale Lobo
- Practical Clinical Skills: Lung Sounds
- Essential Lung Sounds
                    Diane S. Wrigley, PA-C
 Published by MedEdu LLC
- PESI Faculty - Diane S Wrigley
- 
                        Case Profiles in Respiratory Care 3rd Ed, 2019
 William A.French
 Published by Delmar Cengage
- Essential Lung Sounds
                    by William A. French
 Published by Cengage Learning, 2011
- Understanding Lung Sounds
                    Steven Lehrer, MD
- Clinical Heart Disease
                    W Proctor Harvey, MD
 Clinical Heart Disease
 Laennec Publishing; 1st edition (January 1, 2009)




