Name the Sound, Choose the Endpiece, Grade the Murmur
Learn the gallops by their rhythm, not their pitch — a low-pitched sound is hard for a beginner to isolate, but a three-beat cadence is not. Read a real bedside case and name the extra sound, then prove you know which side of the stethoscope, which site and which position will actually produce it. Finally, grade a murmur on the Levine scale and build the description that has to go in the chart.
If the extra beat falls after the “dub” you have S3. If it falls before the “lub” you have S4. Read the case, look at the cadence, then name it.
The two sides of the stethoscope filter different frequencies. Pick a target sound, then set up the exam that will actually produce it.
Intensity is graded on the six-point Levine scale and always written as a fraction, so the reader knows which scale you used: II/VI, never “grade 2.”