Which type of lung sounds are typically present in patients diagnosed with pneumonia?

Crackles, also known as rales, are typically present in patients diagnosed with pneumonia due to the accumulation of fluid in the alveoli and the small airways. This fluid can result from the inflammatory process associated with the infection. When air moves through the fluid-filled or consolidated areas of the lungs during inhalation or exhalation, it creates the characteristic popping or crackling sounds.

These sounds are often more pronounced during certain phases of respiration and can indicate the presence of secretions or fluid in the lungs, which is common in pneumonia. The presence of crackles can help healthcare providers assess the severity of the condition and monitor changes over time. Understanding this relationship between crackles and pneumonia is essential for proper diagnosis and treatment.