The nurse is explaining to the student nurses the different heart sounds that are assessed during the cardiac assessment. Which statement made by a student indicates understanding of the expected normal heart sounds?
1. "If I hear the S1 as lub and S2 as dub, then that is normal and means that the valves are working."
2. " If I hear a 'lub-dub-ee' it means the client has a ventricular gallop."
3. "If I hear 'dee-lub-dub' then the client may have an atrial gallop. This occurs near the very end of diastole just before S1 and creates the sound."
4. "If I hear the 'dee-lub-dub' sound in an older adult, then I should know that is considered normal for the older client."
Correct Answer: 1
When the AV valves close the S1 occurs and is the "lub," and when the semilunar valve closes the S2 occurs as the "dub"; this indicates normal heart sounds. The other statements indicate abnormal heart sounds.
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