What is the clinical term for clicking or crackling sounds heard on inspiration?

The clinical term for clicking or crackling sounds heard on inspiration is referred to as "rales." Rales, also known as crepitations, are fine, high-pitched sounds that can be heard with a stethoscope during the inhalation phase of respiration. These sounds typically occur when air passes through fluid or mucus in the small airways or alveoli in the lungs, which often suggests the presence of conditions like pneumonia, heart failure, or pulmonary edema.

This auditory finding is an important aspect of respiratory assessment and helps healthcare providers identify potential underlying pulmonary issues that may require further investigation or intervention. Understanding the nature of these sounds helps in diagnosing the specific conditions affecting a patient's respiratory system, allowing for more targeted treatment strategies.