ribs, sternum, sc joints Flashcards
what are 2 common reasons for sternum #s
blunt trauma (ie steering wheel)
CPR
what are 3 direct complications of rib #
pneumothorax, hemothorax, lung contusion
what are metastases
tumours resulting from the spread of cancer to other parts of the body
what is the preferred position for rib/sternum/sc
erect
the manubrium begins at what level
T2-3
the sternal angle is at what vertebral level
T4-5
the xiphoid process is at what level
T10
the jugular otch is at what level
T2-3
why are sternums done RAO?
sternum would otherwise be superimposed Iver thoracic vertebrae
why is RAO preferred for sternum, versus LAO
places sternum over the heart (which has very even density)
why use RAO versus LPO for a sternum
less oid
for a sternum, deeper chest require (more/less) rotation than shallow chests
LESS
how much pbliquity is required for an RAO sternum
15-20 degrees
what breathing technique is used for sternum and why
shallow breathing (or expiration)
to blur lung markings
why is 180 used for a lateral sternum
less divergence to distort
RAO Dems which SC joint
RIGHT!
how much rotation is used for SC joints
15-20 deg
full inspiration moves diaphragm ___
down
upper ribs are done __ and on ___
erect
inspiration
lower ribs are done __ and on ___
supine
expiration
why are shoulders rolled for rib views
to remove the superimposed scapulas
why are lower ribs done supine
removes superimposed organs
LPO and RAO Dems the (L?R) ribs
LEFT