Fine Crackles

Virtual Auscultation

patient torso with stethoscope chestpiece
patient position during auscultation

The patient's position should be seated.


Fine crackles are brief, discontinuous, popping, high-pitched breath sounds. These sounds are also similar to the sound of Velcro fasteners being pulled apart or cellophane being crumpled. Crackles can appear throughout the respiratory cycle.


Authors and Reviewers

Authored by Dr. Jonathan Keroes, MD and David Lieberman, Developer, Virtual Cardiac Patient. Medically reviewed by Dr. Barbara Erickson, PhD, RN, CCRN. Last Update: 11/28/2021

An error has occurred. This application may no longer respond until reloaded. Reload 🗙