18 Questions
What is the primary clinical reason for obtaining a lordotic chest X-ray?
Demonstration of lung apices
How is the patient positioned for a lordotic chest X-ray?
Sitting upright
In a lordotic chest X-ray, what angle is the MCP generally angled posteriorly?
15-20 degrees
What is the purpose of introducing rotation in a lordotic chest X-ray?
To demonstrate lung apices
What is the significance of limiting the collimation in a lordotic chest X-ray?
To demonstrate only the lung apices
What is the most appropriate SID (Source-to-Image Distance) for a lordotic chest X-ray?
$180$ cm
In a PA chest radiograph, where should the upper border of the image receptor be positioned?
1-2cm below the relaxed shoulders
What is the suggested breathing state for a patient undergoing a chest X-ray?
Suspended expiration
To avoid including too much abdomen in a chest X-ray image, where should the central ray be aligned in relation to the patient's anatomy?
At C7 spinous process
How should the shoulders be positioned in a PA chest X-ray to reduce rotation?
Relaxed down and rotated forward
What is the recommended distance for the source-to-image receptor distance (SID) in a standard PA chest X-ray?
180cm
When positioning for a PA chest X-ray, where should the central ray enter approximately on the patient's back?
At T7
Why is it important to ensure the patient is stable during the lateral decubitus chest projection?
To prevent motion artifacts in the X-ray image
When performing a lateral decubitus chest projection, why is it necessary for the patient to be in position for a minimum of 10 minutes?
To allow time for air to accumulate at the lung apex
In a lateral decubitus chest projection, what is the patient positioning requirement in terms of arm placement?
Arms raised with horizontal beam inclining towards the anatomy of interest
What is the primary reason for raising the patient or lowering the image receptor below the chest level in a lateral decubitus chest projection?
To enhance visualization of the ribs and diaphragm
During a lateral decubitus chest projection, what should be done to ensure proper patient safety?
Securely lock the trolley wheels if the patient is on a mobile table
Why is it important for a patient to be placed in a recumbent lateral position with raised arms during a lateral decubitus chest projection?
To avoid foreshortening of lung structures on the radiograph
Test your knowledge on the lordotic chest position as per the teachings of McQuillen-Martensen Radiographic Image Analysis. Explore the correct techniques, equipment, and anatomical considerations required for this specific radiographic view.
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