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 surrounded at the top and bottom by two muscular rings, known respectively as the upper esophageal sphincter, and the lower esophageal sphincter. These sphincters act to close the esophagus when food is not being swallowed.