GERD is often diagnosed simply by finding no improvement in heartburn symptoms in response to lifestyle changes and acid reflux medication. Gastroenterologists may also arrange the following investigations:
Trading blocs. A regional trading bloc is a group of countries within a geographical region that protect themselves from imports from non-members. Trading blocs are a form of economic integration, and increasingly shape the pattern of world trade. There are several types of trading bloc:
-Â·nies. 1  a group of people who settle in a distant land but remain under the political jurisdiction of their native land. the region thus settled. 2  a territory distant from the state having jurisdiction or control over it.