Why the study?
Can the distance from the middle of the 'double density' to the left main bronchus on a frontal thoracic radiograph accurately assess left atrial enlargement?
Can the distance from the middle of the 'double density' to the left main bronchus on a frontal thoracic radiograph accurately assess left atrial enlargement?
Measuring the distance from the 'double density' to the left main bronchus on a frontal radiograph provides a simple and accurate method for assessing left atrial enlargement in adults.
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May support simple radiographic LA enlargement assessment; cross-sectional data leave open prospective validation.
Higgins et al. (1978) studied this question.
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