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6 Possible Causes for Downward Sloping Ribs

  • Primrose Syndrome

    Abstract Primrose syndrome is a unique condition of intellectual disability, dysmorphic facial features, and specific minor abnormalities including large calcified ear auricles. Only six patients have been previously reported. We describe a Brazilian boy with the striking similar facies and the main clinical findings that[…][doi.org]

  • Atypical Arterial Duct

    Ribs: First Rib The shaft of the very first rib slopes obliquely downwards and forwards to its sternal end.[earthslab.com] The 10th rib generally have free anterior ends in Japanese First rib slopes downwards along its whole extent The middle of every costal arch (being composed of a rib and its[earthslab.com] The anterior ends of 11th and 12th ribs are free and hence named floating ribs.[earthslab.com]

  • Mediastinitis

    The sides of the chest wall consist of the upper 10 ribs, which slope obliquely downward from their posterior attachments.[accessmedicine.mhmedical.com] The posterior chest wall is formed by the twelve thoracic vertebrae, their transverse processes, and the 12 ribs ( Figure 18–1 ).[accessmedicine.mhmedical.com] The first seven pairs of ribs articulate directly with the sternum, the next three pairs connect to the lower border of the preceding rib, and the last two terminate in the[accessmedicine.mhmedical.com]

  • Respiratory Muscle Paralysis

    The downward slope of the rib ensures that, in elevation, the sternum moves upward and forward, increasing the anteroposterior diameter of the thorax.[dartmouth.edu] Movement at costovertebral joints 2 to 6 about a side-to-side axis results in raising and lowering the sternal end of the rib, the "pump-handle" movement (fig. 20-7 ).[dartmouth.edu]

  • Mediastinal Hernia

    The downward slope of the rib ensures that, in elevation, the sternum moves upward and forward, increasing the anteroposterior diameter of the thorax.[dartmouth.edu] Movement at costovertebral joints 2 to 6 about a side-to-side axis results in raising and lowering the sternal end of the rib, the "pump-handle" movement (fig. 20-7 ).[dartmouth.edu]

  • Pudendal Neuralgia

    A sharp focal downward distortion at the lateral border of the scalene triangle (sc) and then a gently sloped upward distortion over the first rib (1st). FIGURE 6.[doi.org] A sharp focal downward distortion at the lateral border of the scalene triangle (sc) and then a gently sloped upward distortion over the first rib (1st). FIGURE 7.[doi.org]

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