Transcript Chapter 10
Chapter 10 Bony Thorax Bony Thorax • 1 ____________ • 12 ______________ • 12 ____________ Bony Thorax • Protects: – _________ organs – _________ organs • __________ during breathing Sternum • 3 parts – _____________ • Superior portion 2” long – ________ (Gladiolus) • Longest portion 4” long – _____________ • Smallest most distal. Sternal Landmarks • ____________(suprasternal or manubrial) – Correlates to T2-3 • _________________ – Correlates to T4-5 • Xiphoid tip – Correlates to _________ Sternal Articulations • Clavicle – _________________ joint • 7 ribs – Through ______________ • 1st rib costocartilage on manubrium Ribs • 12 pairs • ___________ – Costocartilage connection anteriorly to the sternum • __________ – 8,9,&10 costocartilage attach to the 7th – _________(11 &12) – No costocartilage articulation Rib Anatomy Posterior • Vertebral end – ___________ • Vertebral body – ________ – ________ –Transverse process Rib Anatomy Anterior • Sternal end – _______ – Shaft • _______________ – Artery, vein, and nerve Rib Articulations Anterior • ________________ Union – Rib and costocartilage • Synarthrodial • ___________________ – Sternum and clavicle • Diarthrodial Rib Articulation Anterior • ________________ – Costocartilage to sternum. • _____________ • 2-7 diarthrodial • ______________ – Costocartilage of 6th – 10th • Diarthrodial Rib Articulation Posterior • _________________ – Head of rib to vertebral body • Diarthrodial • _________________ – Rib ______ to transverse process • 1 - 10 • Diarthrodial Sternum Imaging Routine • • • • • RAO Lateral 40” SID** RAO 60-72” SID Lateral 60 – 70 kVp RAO Sternum • Moves sternum _______________ – Uses ___________ to provide density • _____________ Oblique – Body habitus dependent • Breathing technique – Blurs pulmonary markings RAO Sternum • CR to mid sternum – Palpate for ____________and xiphoid – Center to mid sternum • Collimate about ___________ Lateral Sternum • Increase ________for increased ______ • _________ - Arms back • _____________ – Arms above head Lateral Sternum • CR to mid sternum – Place IR ____________jugular notch • Suspend respiration – ___________ Rib Imaging Routine • • • • • PA Chest AP above diaphragm 60kV AP below diaphragm 70kV RPO/LPO above diaphragm 60kV 40-72” SID (Unilateral or Bilateral) AP Above Diaphragm • Center to ______________ • CR to _________ • IR _________shoulder center to cassette • Suspend respiration on _____________ AP Below Diaphragm • Center to affected side • CR mid way between _______ and _________ • Suspend respiration on ___________ – Move diaphragm up and away RPO / LPO Above Diaphragm • __________ Oblique • CR between spine a ________ rib margins • IR _________shoulder and center to IR • Suspend respiration on ___________ Helpful Tip • Mark the _____________ • Place a ____________on area of interest.