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14 Cards in this Set
- Front
- Back
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When you place an animal in right lateral recumbancy, which lung will be visible in the x-ray?
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The left lung because the right lung will collapse.
ie: if you want to look at the right lung, place the animal in left lateral recumbancy and vice versa. |
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What happens to the trachea when the heart is enlarged?
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It becomes parallel to the spine.
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Do you aim for an inspiratory or an expiratory x-ray?
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Inspiratory
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If the animal is positioned on its back, is this a VD or a DV view?
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VD
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If you want to look at the heart, would you take a DV or a VD view?
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DV
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Why is it difficult to assess cardiac size in an x-ray from a dog?
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In dogs, there are marked differences in size based on breed and age.
Puppies, brachycephalics, and fat dogs tend to have relatively large and rounded cardiac silhouettes. |
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How might the heart look different between and inspiratory and an expiratory film?
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On an expiratory film, the heart may appear to be large and the lungs too opaque.
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What might an abnormally shaped heart indicate?
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An enlarged chamber or vessel
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What does a 1 O'clock bulge indicate?
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Aortic stenosis
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What does a 2 O'clock bulge indicate?
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Pulmonic stenosis
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What does a 3 O'clock bulge indicate?
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enlarged left atrium
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What condition causes 1, 2, and 3 O'clock bulges (the three knuckles)?
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PDA
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If measurement of the heart size is not a good indicator of heart failure, what is the purpose of doing a chest x-ray?
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To look for other signs of heart failure such as
Pulmonary oedema for LHF CVC/Hepatic venous congestion, hepatomegally, peritoneal or pleural effusion for RHF |
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In dogs, where would you most likely see pulmonary oedema? Is this also true for cats?
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Caudal lung lobes, however in severe cases it may spread throughout.
In cats, the location of pulmonary oedema is less predictable. |
