Finally, we shall listen at the apex in our patient. We shall use the bell of the stethoscope using light pressure, because that bell will bring out low-frequency sounds. Again, we’ll use a timing device, that is, the carotid vessel. The swab reflects the systolic movement of the carotid, and light pressure at the apex with the bell. Let us listen together. [Cut-away]
Choose the best description of the events at the apex in our patient: