What is the main difference between PA and AP chest x-ray films?

Chest X-Ray Interpretation Concepts

Interactive Video
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Science, Biology, Health, Education
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10th Grade - University
•
Hard

Sophia Harris
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
PA films show a larger heart size due to beam divergence.
AP films provide a more accurate heart size representation.
PA films have the heart closer to the film, showing true size.
AP films are taken with the patient facing the film.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is cardiomegaly commonly identified on a chest x-ray?
By measuring the vertical length of the heart.
Through the presence of a double density sign.
Using the cardiothoracic ratio exceeding 50% on a PA film.
By comparing the heart size to the patient's height.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which cardiac chamber enlargement is indicated by the double density sign?
Right atrium
Right ventricle
Left ventricle
Left atrium
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a common cause of right ventricular enlargement visible on x-ray?
Mitral valve disease
Left atrial enlargement
Pulmonary hypertension
Aortic stenosis
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary x-ray finding of a pericardial effusion?
A splaying of the carinal angle
A double density sign
An enlarged cardiac silhouette
A widened mediastinum
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which condition is characterized by the 'water bottle' morphology on x-ray?
Cardiomegaly
Pericardial effusion
Pulmonary hypertension
Dextrocardia
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a common cause of a widened mediastinum on x-ray?
Left atrial enlargement
Pulmonary embolism
Cardiomegaly
Rotation of the patient
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