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  2. Intercostal space - Wikipedia

    en.wikipedia.org/wiki/Intercostal_space

    The intercostal space (ICS) is the anatomic space between two ribs (Lat. costa). Since there are 12 ribs on each side, there are 11 intercostal spaces, each numbered for the rib superior to it. Since there are 12 ribs on each side, there are 11 intercostal spaces, each numbered for the rib superior to it.

  3. Apex beat - Wikipedia

    en.wikipedia.org/wiki/Apex_beat

    The normal apex beat can be palpated in the precordium left 5th intercostal space, half-inch medial to the left midclavicular line and 3–4 inches left of left border of sternum. In children the apex beat occurs in the fourth rib interspace medial to the nipple.

  4. Cardiac examination - Wikipedia

    en.wikipedia.org/wiki/Cardiac_examination

    The apex beat is found approximately in the fifth left intercostal space in the mid-clavicular line. It can be impalpable for a variety of reasons including obesity, emphysema, effusion and rarely dextrocardia. The apex beat is assessed for size, amplitude, location, impulse and duration.

  5. Intercostal veins - Wikipedia

    en.wikipedia.org/wiki/Intercostal_veins

    The intercostal veins are a group of veins which drain the area between the ribs ("costae"), called the intercostal space. They can be divided as follows: Anterior intercostal veins; Posterior intercostal veins. Posterior intercost vein that drain into the Supreme intercostal vein - 1st intercostal space

  6. Internal intercostal muscles - Wikipedia

    en.wikipedia.org/wiki/Internal_intercostal_muscles

    The internal intercostal muscles (intercostales interni) are a group of skeletal muscles located between the ribs.They are eleven in number on either side. They commence anteriorly at the sternum, in the intercostal spaces between the cartilages of the true ribs, and at the anterior extremities of the cartilages of the false ribs, and extend backward as far as the angles of the ribs, hence ...

  7. Electrocardiography - Wikipedia

    en.wikipedia.org/wiki/Electrocardiography

    In the fourth intercostal space (between ribs 4 and 5) just to the right of the sternum (breastbone) V 2: In the fourth intercostal space (between ribs 4 and 5) just to the left of the sternum. V 3: Between leads V 2 and V 4. V 4: In the fifth intercostal space (between ribs 5 and 6) in the mid-clavicular line. V 5

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  9. Rib cage - Wikipedia

    en.wikipedia.org/wiki/Rib_cage

    The rib cage or thoracic cage is an endoskeletal enclosure in the thorax of most vertebrates that comprises the ribs, vertebral column and sternum, which protect the vital organs of the thoracic cavity, such as the heart, lungs and great vessels and support the shoulder girdle to form the core part of the axial skeleton.