Ausmed Explains... 1. Stridor: Stridor is a continuous, high-pitched, crowing sound heard predominantly on inspiration. The cause of this sound is generally the partial obstruction of the larynx or trachea. Stridor may be heard in conditions such as croup and foreign body obstruction. It’s typically loudest over the anterior neck, as air moves turbulently over a partially-obstructed, upper airway. 2. Wheeze: The sound of a wheeze is a high-pitched, continuous musical sound. This is caused by air

🫁⚠️ Normal Breath Sounds - **Vesicular Sounds**: Soft, low-pitched; normal over lung fields. - **Bronchial Sounds**: High-pitched, loud; normal over trachea but abnormal over lung fields (indicating possible pneumonia). ### Abnormal (Adventitious) Breath Sounds - **Wheezes**: High-pitched, musical; indicate narrowed airways, seen in asthma or COPD. - **Rhonchi**: Low-pitched, snoring; caused by airway obstructions or secretions, often clear with coughing. - **Crackles (Rales)**: Popping sounds;