50.附圖之心電圖是那一種心律異常?
(A)Sinus arrhythmia
(B)First-degree heart block
(C)Second-degree heart block
(D)Third-degree heart block
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統計: A(14), B(7), C(24), D(26), E(0) #1149409
統計: A(14), B(7), C(24), D(26), E(0) #1149409