Regarding enlargement of cardiac chambers on plain radiograph.. The cardiac apex is displaced down and out with left ventricular enlargement

Regarding enlargement of cardiac chambers on plain radiograph:
- The cardiac apex is displaced down and out with left ventricular enlargement. (true)
- Enlargement of the left ventricle results in an elevated cardiac apex.
- Right atrial enlargement is a recognize cause of dysphagia.
- Right atrial enlargement is associated with splaying of carina.
- Left ventricular enlargement results in a decreased area of contact between the front of heart and the sternum on lateral projection.