Best view for Tracheo-esophageal groove is:
Left atrial
Right atrial
Left ventricular
Right ventricular
(Left atrial) (994-Bailey & Love 24th)Tracheo-oesophageal fistulaA lateral chest radiograph shows a lucent proximal pouch that may displace the trachea anteriorly. If bowel gas is present there must be a fistula to the distal oesophagus.* In case of doubt Air (preferred) or a small amount of contrast medium can be injected through the nasogastric tube. Gas in the stomach confirms that there is fistula between the trachea and distal oesophagus.
Oesophagus