Mahler's sign

例句：

1. 1. The patient had a positive Maier's sign, indicating the presence of a heart murmur.
   患者有阳性的马勒征，表明存在心脏杂音。
2. 2.In medical diagnosis, Maier's sign is often used to identify certain conditions in the chest area.
   在医学诊断中，马勒征常用于识别胸部区域的某些条件。
3. 3. The doctor performed an ultrasound to rule out any Maier's sign that might indicate a heart problem.
   医生进行了超声检查，以排除任何可能指示心脏问题的马勒征。