While auscultating heart sounds of a clien
题型:单项选择题
问题:
While auscultating heart sounds of a client with heart failure, the nurse hears an extra heart sound immediately after the second heart sound (S2). The nurse should document this as
A. a first heart sound (S1).
B. a third heart sound (S3).
C. a fourth heart sound (S4).
D. a murmur.