Skin over the heart in front of the chest. It extends from the mitral area by a line joining the 5th intercostal space just medial to midclavicular line on the left to the 2nd intercostal space close to the sternum. On the right it extends from the second intercostal space close to the sternum on the right to the 6th chondrosternal junction inferiorly. Its lower boundary runs from the 6th chondrosternal junction to the apex beat at the mitral area.
 

bulletIts borders are as follows
bulletSuperior border, which runs from the upper part of the 2nd intercostal space on the left of the sternum to the lower part of the 2nd intercostal space on the right to the right of the sternum.
bulletRight border which is formed by the line joining the upper border at the lower part of the 2nd intercostal space to the 6th chondrosternal junction on the right. This lines runs directly downwards lateral to the right border of the sternum.
bulletInferior border extends from the 6th chondrosternal junction to  the apex of the heart placed as mentioned above- at the 5th intercostal space on the left, just medial to the mid axillary line.
bulletLeft border runs from the apex to the upper part of the 2nd intercostal space at the left of the sternum.

Applied anatomy
Precordium is used as gate way to the heart in clinical examination. It has surface anatomy of heart valves and also the areas in which the heart sounds are best heard on the chest.

 


Precordium sometimes moves but it is most often abnormal

 

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Palpation of precordium

 

 

 

 


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