Bony Thorax Exam 1

sternum, 12 pairs of ribs, 12 thoracic vertebrae

what are the three parts of the bony thorax

anterior

what side of the ribs are shorter

manubrium, body, xiphoid process

what are the three parts of the sternum

6 inches

about how long is the sternum

seven

the sternum provides attachment to the costal cartilage of the first ____ pair of ribs

another name for sternum

breast bone

jugular notch

easily palpable concave center of the manubrium that is located at superior border is the

between the 2-3 thoracic vertebrae

where does the manubrium lie

clavicular notch

oval articular facet that articulates with the sternal extremity of the clavicle

body

longest part of sternum about 4 inches long

sternal angle

where the manubrium connects to the body of the sternum

10th thoracic vertebrae

what does the xiphoid process lie over

anterior end

what part of the ribs lies lower

7

what is the longest rib

true ribs

pairs 1-7 that attach directly to sternum

false ribs

8-12 that attach indirectly to the sternum via costal cartilage

floating ribs

pairs 11-12 that attach only to the verebrae

11-12

what ribs do not have a neck or tubercular facet

head, flattened neck, tubercle, body

what parts does a rib consist of

what kind of movement does a costochondral joint allow

no movement

freely moveable

what kind of movement do costovertebral and costotransverse allow

upright

in what position is the diaphragm at its lowest

supine

in what position is the diaphragm at its highest

air filled lungs

ribs above the diaphragm are imaged best through

through upper abdomen

ribs below diaphragm are imaged best through ___

PA oblique (RAO) and lateral

what are the 2 projections of the sternum

30 inches

what is the SID for a PA oblique sternum RAO

15-20 RAO

what is the angle for the PA oblique sternum

1 ½ inches about jugular notch

where should the light be for an PA oblique sternum

1 inch lateral to T7

where is the cr centered for a pa oblique sternum

shallow breathing

breathing for a pa oblique sternum

LPO

what view can be done in a trauma sternum if patient is unable to lie prone

more rotation

the smaller the depth of the thorax the ______ _______ you need

72

SID for lateral sternum

rotate shoulder posteriorly by locking hands behind the back

what should the patient do with their arms for a lateral sternum

1 ½ inches above jugular notch

where is the top of the IR for a lateral sternum

deep inspiration

what is the breathing for a lateral sternum

40

SID for PA SC Joint

rest head on chin

how should the patient rest their head for a bilateral exam of the SC joints

turn head to affected side

how should the patient rest their head for a unilateral projection of the SC joint

T3

where should you center the IR for a PA SC joint

suspend at end of expiration

breathing for PA SC joint PA and oblique

10-15 degrees RAO or LAO

rotation for PA oblique projection SC joint body rotation method

level of T2-T3 and 1-2 inches toward the joint of interest

CR for PA oblique projection of SC joints

manubrium and medial end of clavicle

what needs to be included for a PA oblique projection sternoclavicular joint

15 degrees toward MSP from opposite joint of interest

where is the CR directed for a pa oblique projection-CR angulation

PA projection

anterior ribs are best demonstrated in the

AP projection

posterior ribs are best examined in the

1 ½ above upper shoulder

where is the top of the IR for PA ribs

rest hands, palms out, on hips

where should you place the hands for a PA projections of ribs

T7

where does the CR enter for a PA projection of the ribs

suspend at the end of full inspiration

breathing for PA projection of the ribs upper

iliac crest

where is the lower edge of IR for an AP rib projection

suspend at full expiration

breathing for ap projection of ribs lower ribs

45 degrees on affected side

rotation for Ap oblique ribs

unaffected side

what side is closest to the IR for PA oblique ribs

axillary portion

what portion of the rib is seen for an oblique projection

osteomyelitis

inflammation of bone due to pyogenic infection

paget disease

thick, soft bone marked by bowing and fractures

chondrosarcoma

malignant tumor arising from cartilage cells

multiple myeloma

malignant neoplasm of plasma cells involving the bone marrow and causing destruction of bone

extensive lytic lesions

soft spots that look like holes in bone, accompanied by multiple myeloma

pectus excavatum

congenital deformity of anterior thorax, sternum goes in

flail chest

2 or more fractures in 2 or more continuous ribs