Procedures Unit 3
Card Set Information
Procedures Unit 3
What extends from the thoracic aperture to the diaphragm? What does it protect?
What has 16 to 20 C shaped cartilaginous rings?
Extends from C6-T5
Is at T4 or T5.
Which primary bronchus is wider, shorter, and more vertical?
Primary bronchus that is smaller in diameter but about twice as long as the other bronchus
Each terminal bronchioles terminate into what?
alveoli (air sacs)
Fill all of the space not occupied by other structures in the thoracic cavity.
How many lobes and fissures does the right lung have?
3 lobes(superior, middle, inferior)
2 fissures(oblique and horizontal)
How many lobes and fissures does the left lung have?
2 lobes(superior and inferior)
Located posterior to the trachea and extends from C6-T11.
Part of the lymphatic system.
Located posterior to the upper sternum.
Vary prominent in infants but gradually atophies as a person ages.
Located posterior to the body of the sternum and anterior to T5-T8.
The heart lies in an _________ plane with 2/3's lying to the ______of midline.
The great vessels in the mediastinum:
inferior vena cava
superior vena cava
large pulmonary arteries and veins
errect to supine changes their appearance/document if done different than normal
The more SID used the less__________.
magnification of the part
Why is a PA projection done instead of an AP projection?
because of the anterior location of the heart
What do we use a grid with?
What happens when a grid is not used(scatter)?
weak x-rays cant penetrate it to make its way to the IR
looks like it is full of fluid
109-130 kVp, 2.5-3 mAs, with grid
example chest x-ray technical factor
How do we ensure that PA chest radiographs have no rotation?
ensure that pt is standing evenly on both feet with both shoulders rolled forward and downward
What demonstrates a correct PA chest radiograph?
sc joints should be equal distance
2/3 of heart shadow should be midsagittal and to the left
1/3 of heart shadow should be midsagittal and to the right
Overpenetration occurs when AEC number is_______.
Underpenetration occurs when AEC# is ________.
A pt's side _______ to the IR is best demonstrated on the finished radiograph.
What defines a true lateral?
no rotation of tilt
weight equally distributed
90 degree angle
increase OID to increase magnification
There should be no tilt, or leaning sideways of the pt, this is evidenced by what?
closed disk spaces of the thoracic vertebrae
What size cassette is used for a PA chest projection?
14 x 17 LW (CW for hypersthenic pts.)
Where should the lead blocker be on a PA chest projection?
What cells should be selected when using AEC for PA chest projection?
What is the kVp range for a PA chest projection?
A lateral projection follows the same steps as a PA projection, just remember to do what?
place your marker in front of the pt on the side closer to the IR