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37 Cards in this Set
- Front
- Back
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What type of radiation is used on plain films
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gamma
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What is the bulb that emits gamma radiation
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cathorade tube
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What are the 4 densities of plain film
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metal, fluid, bone, air
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What is more distinct if you are close to the exposure plate or further away
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closer
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What type of chest film is preferred
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PA
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What type of chest xray is done in the ICU bc pts are immobile
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AP (via portable)
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Why is a portable AP not as good as a PA
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The cathorade tube is too close to the pt and therefore causes distortion. The heart is enlarged.
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Where is the RV located on a PA plain film
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directly anterior (with no borders)
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Where is the RA located on a PA plain film
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this is the right heart border, below the Aorta.
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What makes up the left heart border
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LV (PA is above this)
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Where is the left atrium situated
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below the PA are above the LV
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Where is the aorta located on a PA film
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this is above the LV and can be seen on the left side
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On a lateral film where is the RV?
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anterior border of the heart
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On a lateral film wherer is the LV
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Posterior border of the hear, but above this is the left atrium
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What is at the top of the RV on a lateral film
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PA
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Where is the RML located on chest xray
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this takes up the majority of the lower hemithorax. Remember the the lower lobe is posterior and overlaps parts of the middle and the upper lobe.
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What are 4 indicators of quality of a chest xray
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positioning
inspiration exposure rotation |
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What is meant by good position
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shows the entire lung fields, but not too much of the abdomen
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How do you determine if there is good inspiratory effort
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there should be 9-10 ribs
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How do you determine if the xray is rotated
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the clavicles should align evenly with the spine
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What is underexposure
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the x-ray appears too white because not enough energy was used to penetrate
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Where is the location of the IVC on lateral film
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posterior part of the heart
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Why cant you follow the left diaphragm all the way anterior
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because the heart sites on it.
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What is an lorthotic view used to look at
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the lung apices
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How is an lorthotic view done
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instead of having a patient role his shoulders forward the patient will stand or lay normal
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Where is the horizontal fissure located
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mid portion of the right lung
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Which diaphragm can be seen all the way anterior and posterior
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the right
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What is the paratracheal strip
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this is where the mediastinum meets the lungs
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What is the normal width of the right paratracheal stripe
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4mm
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Where are the major fissures on lateral CXR
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diagnol across the film (cant differentiate left from right easily)
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What happens to the superior mediastinum in the apical lordotic view
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it appears wider
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What vessel travels over the right mainstem bronchus
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the azygous
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Which direction do the downward facing ribs go
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towards the sternum
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If you see a horizontal fissure on lateral what lung is it
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the right lung
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Which lung tends to have accessory fissures
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the right
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How do you dictate if the midline is not exactly midline
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approxiametely midline
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How do you dictate if there is a portion of weakened diaphragm that is protruding up
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bosselated diaphragm
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