Binary Heap Algorithms What is a Binary Heap? âComplete BTs (again) We discussed an array implementation for a complete Binary Tree: â¢ Put the nodes in an array, in the order in which they would be added to a complete Binary Tree. â¢ No pointers/arrows/indices are required. â¢ We store only the array of data items and the number of nodes.
Radiofrequency Ablation Treatment for Barrett's Esophagus. Radiofrequency Ablation (RFA) is an FDA-approved endoscopic technique used by specialists at the Massachusetts General Hospital Barrettâs Esophagus Treatment Center to treat Barrettâs esophagus.
The esophagus is a muscular tube connecting the throat (pharynx) with the stomach. The esophagus is about 8 inches long, and is lined by moist pink tissue called mucosa.The esophagus runs behind the windpipe (trachea) and heart, and in front of the spine. Just before entering the stomach, the esophagus passes through the diaphragm. Esophageal ulcer: An erosion in an area of the lining of the esophagus. 2  This is often caused by chronic reflux. 3  Esophageal stricture: A narrowing of the esophagus. 4  Chronic irritation from reflux is the usual cause of esophageal strictures.