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:
By contrast, en bloc blackouts are complete blackouts; the person will not be able to recall any part of what they did during that period. Although people are often able to retrospectively describe the time when an en bloc blackout began, many times, the inebriated person will fall asleep before the blackout ends.