Crackles vs Rhonchi EXPLAINED | Must-Know Lung Sounds for Exams & Clinical Rotations

Lung sounds: Types and their causes and treatment options

Lung sounds are the audible vibrations created as air moves through the respiratory system, and they are heard during auscultation with a stethoscope. These sounds offer valuable clues about airway openness, lung tissue health, and the presence of fluid, inflammation, or obstruction. Normal lung sounds include tracheal, bronchovesicular, and vesicular patterns, each reflecting airflow through specific regions of the lungs. Abnormal lung sounds such as crackles, wheezes, rhonchi, stridor, and ple