Which of the following describes the proper positioning for a transthoracic lateral?
The patient is supine with affected arm left in neutral position and closest to the image receptor. The unaffected arm is elevated above the head.
The patient is upright with the affected side left in the neutral position and positioned furthest from the image receptor. The unaffected arm is elevated above the head.
The patient is supine with the affected arm elevated and closest to the image receptor. The unaffected arm is left at the patient's side.
The patient is supine with the affected arm left in the neutral position and positioned furthest from the image receptor. The unaffected arm is elevated above the head.
The patient is supine with affected arm left in neutral position and closest to the image receptor. The unaffected arm is elevated above the head.
Rationale: A transthoracic lateral can be positioned either supine or upright depending on patient condition. The affected side should be positioned closest to the image receptor, and left in the neutral position. The unaffected arm is elevated above the patient's head. Ensure no rotation of the thorax. The central ray exits the level of the surgical neck and passes through the level of MCP or slightly posterior.
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