What physical exam finding is typical in a patient with Reactive Airway Disease (RAD)?

In patients with Reactive Airway Disease (RAD), wheezes are a hallmark physical exam finding. Wheezing occurs due to airflow obstruction in the smaller airways, which is a typical pathophysiological feature of conditions like asthma, a key component of RAD. The sound of wheezing is produced by turbulent airflow through narrowed airways during expiration, leading to the characteristic high-pitched whistling noise.

This finding is particularly significant during exacerbations or episodes of bronchospasm, which are commonly triggered by allergens, irritants, or respiratory infections in individuals with RAD. Recognizing wheezes during a physical exam can help healthcare providers assess the severity of the airway obstruction and the potential need for bronchodilators or other interventions.

Other findings, such as rales or crackles, are more indicative of fluid in the lungs or conditions affecting the alveoli, and bradycardia relates to decreased heart rate rather than respiratory distress. Therefore, wheezing is the most closely associated physical exam finding in patients suffering from Reactive Airway Disease.