Now, let us listen to the sounds at the upper left sternal edge. We will again use the cotton swab for timing purposes, as it so clearly can reflect the carotid impulse and, while you are doing that, also watch respiration. Everyone listen. [Cut-away]
Discussion
Our patient's auscultation at the upper left sternal edge includes a medium-to-high frequency, early peaking, systolic, crescendo-decrescendo murmur that extends to S2. [Sounds]