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四、听诊:心脏各瓣膜活动所产生的声音,常沿血流方向传导到前胸壁一定的部位,听诊时此处最清楚,即为该瓣膜的听诊区。瓣膜听诊区与心脏瓣膜在前胸壁上投影的实际位置并不一致。临床上按听诊而分的瓣膜区:1.二尖瓣区:在心尖部,即左第五肋间近锁骨中线处。2.肺动脉瓣区:在胸骨左缘第二肋间处。3.主动脉瓣区:在胸骨左右缘第二肋间处,4.主动脉瓣副区(又称主动脉瓣第二听诊区):在胸骨左缘第三、四肋间处。
Fourth, auscultation: the heart of the valve activity of the sound generated, often along the direction of blood flow to the chest wall of a certain site, the most clear here when auscultation, the valve is the auscultation area. The actual location of the valve auscultation area and the heart valve projection on the anterior chest wall is inconsistent. Clinically according to auscultation and sub-valve area: 1. Mitral valve area: in the apical, that is, the fifth intercostal near the midline of the clavicle. 2. Pulmonary valve area: at the left sternal second intercostal space. 3. aortic valve area: left and right sternal border at the second intercostal space, 4. aortic valve sub-area (also known as aortic valve second auscultation area): the left sternal third and fourth intercostal Department.