Gastroscopy – Essential Information Before the Procedure
Emilia Szymańska
2026-03-22
6 min. read
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Gastroscopy is one of the highly significant diagnostic tests that permits a thorough evaluation of the upper portion of the digestive tract, including esophagus, stomach and duodenum. It is an accurate procedure that facilitates direct visualization within these organs utilizing an advanced device - the gastroscope. This examination enables rapid detection and diagnosis of numerous serious illnesses such as ulcers, inflammatory conditions of the mucous membrane or malignant changes. Gastroscopy is, therefore, an indispensable tool in preventing digestive disorders and their effective treatment, rendering it an invaluable component of contemporary medicine.
When to Perform a Gastroscopy
Gastroscopy is a diagnostic procedure recommended in various clinical scenarios where an assessment of the upper gastrointestinal tract is necessary. Key indications for performing this examination include: persistent digestive symptoms such as heartburn, abdominal pain, nausea, vomiting, or a feeling of fullness after meals; suspicion of peptic ulcer disease; suspicion of gastrointestinal bleeding; presence of polyps in the digestive tract; difficulty swallowing (dysphagia); unexplained weight loss; and the need to evaluate postoperative changes in the gastrointestinal system (D. S. Early et al. 2012).
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