8.7. Surface Markings of the Heart
The accompanying diagram shows some surface markings for the heart (when the anterior aspect of the thorax is being visualised). This represents the normal position of the heart within the thoracic cavity. This may be useful in a clinical context. The surface markings are as follows.
- 3rd RIGHT costal cartilage
- 6th RIGHT costal cartilage
- 2nd LEFT costal cartilage
- 5th LEFT intercostal space