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.
Esophagus. The esophagus is a hollow muscular tube that connects the back of the throat to the top of the stomach. In an adult, this tube normally ranges from about 10-14 inches in length, and one inch in diameter. At rest, the esophagus is closed but opens readily to accept food and liquids. The muscles in the upper portion of the esophagus are under voluntary control. The remaining portion consists of smooth muscle like the rest of the digestive tract and is not under voluntary control. An internal image of a healthy esophagus. To keep food from coming back up from the stomach, the esophagus has two circular bands of involuntary muscle.