Wheezing

Wheezing is a high-pitched whistling sound produced by air flowing through narrowed breathing tubes. It comes from the bronchial tubes, in contrast to croupy, crowing, or whooping sounds that come from the trachea and larynx (voice box in the neck).

Rhonchi are abnormal breath sounds heard through a stethoscope that sound similar to snoring. Rales is the general term for abnormal breath sounds heard through a stethoscope.