不是的，与瓣膜投影点有差别。 The tricuspid valve is heard just to the left of the lower part of the sternum near the fifth intercostal space. 三尖瓣听诊区在第五肋间区靠近胸骨的位置。 The mitral valve is heard over the apex of the heart in the left fifth intercostal space at the midclavicular line. 二尖瓣的听诊区在心尖处，第五肋间区和锁骨中线交叉的部位 The pulmonary valve is heard over the medial end of the left second intercostal space. The aortic valve is heard over the medial end of the right second intercostal space. 肺动脉瓣和主动脉瓣听诊分别在区在左右第二肋间区内侧，靠近胸骨处。