You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is A patient with H. Pylori infection is treated with drugs. The best method to detect presence of residual H.Pylori infection in this person is which of the following? and explain in detail?
Urea breath test is a test with high sensitivity and specificity for Helicobacter pylori. It is a non-invasive test used to diagnose and confirm elimination of H.pylori infection. Ref: Davidson's principles and practice of Medicine, 20th Edition, Chapter 22, Page 886; Harrison's Principles of Internal Medicine, 17th Edition, Page 947; 16th Edition, Page 1755, 887