Second Intercostal Space

Moreover they are traversed by the nerves arteries and veins of the thoracic cage such as intercostal arteries and veins.

Second intercostal space. The sound that emits from the aortic and pulmonic points is the s2 dub of the typical lub dub heartbeat. Since there are 12 ribs on each side there are 11 intercostal spaces each numbered for the rib superior to it. The angle of louis also marks the site of bifurcation of the trachea into the right and left main bronchi and corresponds with the upper border of the atria of the heart.

The intercostal spaces are filled by the three groups of intercostal muscles. There are 11 intercostal spaces on each side each intercostal space is numbered for the rib superior to it. Reference lines help pinpoint findings vertically.

The 2nd rib is continuous with the sternal angle. Use the diaphragm of your stethoscope. 2nd intercostal space starts from inferior portion of 2nd rib and ends at superior portion of 3rd rib.

Second heart sounds are best heard when patients are semi recumbent 30 40 degrees upright and in quiet inspiration. The insertion site is located in the second intercostal space the area between the second and third ribs counting from the top at the mid clavicular line an imaginary line perpendicular to the ribs approximately in line with the casualty s nipple on the same side of the chest as the penetrating wound. External internal and innermost.

Every space consists of intercostal muscles and neurovascular bundle of intercostal plane. The intercostal space ics is the anatomic space between two ribs lat. The pulmonic point is to the left of the sternal border in the second intercostal space.

The aortic point is located right of the sternal border in the second intercostal space. Splitting best heard in the 2nd left intercostal space close to the sternal border. Slide your finger down to localize the 2nd intercostal space.