The nurse is auscultating a client's heart sounds and notes a murmur at the left fourth intercostal space and lateral to the sternum. At which cardiac valve would the nurse document this murmur?
A) Mitral valve
B) Tricuspid valve
C) Aortic valve
D) Pulmonic valve
B
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The tricuspid valve is at the left fourth intercostal space and lateral to the sternum. The mitral valve is heard at the left fifth intercostal space and midclavicular line. The aortic valve is heard at the right second intercostal space, lateral to the sternum. The pulmonic valve is left second intercostal space, lateral to the sternum.
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