Lung sounds online
“Can you auscultate this man’s lung?” A doctor points at you in the early morning ward round. What if this happens to you in your first clinical year? As you put your new stethoscope diaphragm to your patient’s chest, you might struggle to differentiate vesicular from bronchial breathing, stridor, wheezing, pleural friction rub, or crackles.
It is hard to appreciate the variation in breathing sounds especially when you have never heard them clearly before. Unlike for murmur, online audio of breathing sounds are less available for students.
But several websites do allow users to listen to basic lung sounds. Littmann Stethoscopes’ website, for instance, gives five forms of sound—coarse crackles, inspiratory stridor, normal vesicular, pleural friction rub, and wheezing. (http://solutions.3m.com/wps/portal/3M/en_US/Littmann/stethoscope/education/lung_sounds).
The Auscultation Assistant’s website offers three types of lung sounds—normal lungs, crackles, and wheezes—with short descriptions (www.wilkes.med.ucla.edu/lungintro.htm).
Ohio State University College of Medicine (http://medicine.osu.edu/exam) shows the best location on the