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Are You a Pro at Proper Collimation for PA Chest X-Rays?

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Are You a Pro at Proper Collimation for PA Chest X-Rays?

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Questions and Answers

When performing erect PA chest X-rays with direct digital chest systems, what is the minimum field collimation size?

20 x 24 inches

17 x 17 inches

14 x 17 inches (correct)

10 x 12 inches

How can the upper and lower collimation borders be determined for erect PA chest X-rays?

By adjusting the illuminated field margins to the outer skin margins on each side of the posterior chest surface

By measuring the distance between the costophrenic angles

By placing one's hands squarely on each side of the chest

By adjusting the upper border of the illuminated light field to the vertebra prominens (correct)

Why should the field be collimated in a landscape direction if there is any doubt that both sides of the chest can be included in erect PA chest X-rays?

Because it is easier to determine the side collimation borders in a landscape direction

Because the height of the average lung field is less than the width (correct)

Because it is easier to determine the upper and lower collimation borders in a landscape direction

Because the width of the average lung field is less than the height

What is the purpose of raising both arms during chest imaging?

To prevent superimposition on the upper chest field Signup and view all the answers

What is the traditional CR location for chest imaging?

Top of the shoulder Signup and view all the answers

Why is a consistent chest positioning method important?

To consistently center the CR to the center of the lung fields Signup and view all the answers

Are You a Pro at Proper Collimation for PA Chest X-Rays?

Choose a study mode

Podcast

Questions and Answers

When performing erect PA chest X-rays with direct digital chest systems, what is the minimum field collimation size?

How can the upper and lower collimation borders be determined for erect PA chest X-rays?

Why should the field be collimated in a landscape direction if there is any doubt that both sides of the chest can be included in erect PA chest X-rays?

What is the purpose of raising both arms during chest imaging?

What is the traditional CR location for chest imaging?

Why is a consistent chest positioning method important?

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