Welcome to our website's wheezing page. On this page we provide a description of wheezing, including its clinical significance. We then compare common high-pitched wheezes to rhonchi (lower pitched wheezes) using audio recordings and text. Finally, we provide links to the wheeze lung sound training lessons available on this web site.

Wheezing Sounds

Practice differentiating high-pitched wheezing from low-pitched wheezing (rhonchi) using these audio recordings. Additional information and recordings are available in our lung sounds courses and reference guide.

image for wheezing lung sounds

Compare high pitched wheezing to a low pitched wheeze (rhonchi).

Wheeze - High-Pitched

Wheezes can be high-pitched, continuous and musical or squeaky.

Wheeze - Low-Pitched (Rhonchi)

Listen for a lower-pitched sound, continuous and having a snoring quality.

Wheezing Symptoms

Wheezing is a sign of breathing problems. Wheezing sounds are most often apparent during exhaling a breath. They may also be sometimes heard when the patient inhales.

Wheezing Causes

Causes of wheezing can include these:

  • Asthma
  • Bronchiectasis
  • Bronchiolitis
  • Bronchitis
  • Inhaling a foreign object into the lungs
  • COPD
  • Gastroesophageal reflux disease
  • Smoking
  • Heart failure
  • allergic reaction
  • Medications (even aspirin)
  • Pneumonia
  • Viral infection

Wheezing Lung Sounds Reference Guide

Our auscultation guide provides quick access to several types of wheezing sounds. The guide including a few listening tips and a waveform of the audio recording.
Low-Pitched Wheezes
Expiratory Wheezes
Monophonic Wheezes
Polyphonic Wheezes

Wheeze Lesson

Two lessons on wheezing sounds are part of our free Basics of Lung Sounds course. We suggest taking the full course (about 15-20 minutes), but the lesson can be used without the full course. Our intermediate lung sounds course has additional types of wheezes: expiratory, monophonic and polyphonic.
Basics of Lung Sounds

Intermediate Lung Sounds