Chapter 10 Bony Thorax

1 ____________ 12 ______________ 12 ____________

Bony Thorax Protects: –_________ 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 ______________ 1 st rib costocartilage on manubrium

Ribs 12 pairs ___________ –Costocartilage connection anteriorly to the sternum __________ –8,9,&10 costocartilage attach to the 7 th –_________(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 6 th – 10 th Diarthrodial

Rib Articulation Posterior _________________ –Head of rib to vertebral body Diarthrodial _________________ –Rib ______ to transverse process 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 diaphragm60kV AP below diaphragm70kV RPO/LPO above diaphragm60kV 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.