What does "Crackles" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
Crackles are a type of noise that a doctor can hear when listening to a patient's lungs during a physical examination. They sound like a crackling, popping, or rattling noise. This sound can indicate that there's fluid, mucus, or other matter in the airways that shouldn't be there. It's often a sign of a lung disease or condition, such as pneumonia or heart failure.
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