In medical terms, GI stands for Gastrointestinal, referring to the digestive system, which includes the stomach, intestines, and other associated organs. GI disorders encompass a wide range of conditions that affect digestion, including gastritis, irritable bowel syndrome (IBS), and gastrointestinal cancers.

Bariatric relates to treatments aimed at weight reduction, especially in individuals with severe obesity. This includes medical, surgical, and behavioral interventions. Bariatric surgery, such as gastric sleeve or bypass, is often a last resort for those who have struggled with losing weight through traditional methods.

The cost of stomach bypass surgery, another term for gastric bypass, can vary. In the UK, private clinics charge around £10,000 to £15,000. The NHS may offer this procedure for patients who meet specific eligibility criteria based on their BMI and health conditions.

Roux-en-Y Gastric Bypass (RYGB) is a popular form of bariatric surgery that reduces the size of the stomach and reroutes the digestive system. This results in both restriction of food intake and malabsorption, leading to significant weight loss. The surgery is considered highly effective for morbidly obese individuals and also helps improve obesity-related health issues like diabetes, hypertension, and sleep apnea. However, it requires lifelong dietary changes and nutritional supplements to avoid deficiencies.

A sick tummy feeling refers to nausea, which can have many causes, including gastritis, food poisoning, or acid reflux. Depending on the severity, nausea may be treated with antacids, dietary adjustments, or medications like anti-nausea drugs.

A gastric band fill is a procedure where saline is added to the adjustable band around the stomach to tighten it, reducing the stomach's capacity and limiting food intake. The fill is performed through a port placed under the skin and can be adjusted based on the patient’s progress and needs. Fills are crucial for regulating how much food can pass through the stomach, ensuring consistent weight loss.

A "belly doctor" typically refers to a gastroenterologist, a specialist who treats conditions affecting the stomach and digestive system. Patients see belly doctors for issues like ulcers, acid reflux, irritable bowel syndrome (IBS), and chronic stomach pain. Bariatric patients often consult gastroenterologists for pre- and post-surgery care to ensure their digestive systems are functioning well after surgeries like gastric bypass.

In the UK, gastroenterology is a well-established medical field. The NHS provides access to gastroenterologists through referrals, though wait times can be significant depending on the region. Private gastroenterology services are available for those seeking faster treatment. The role of a gastroenterologist in the UK is crucial for managing digestive disorders and bariatric surgery outcomes, as well as performing diagnostic and therapeutic procedures such as endoscopies and colonoscopies.

The "fat jab," also known as Saxenda or liraglutide, is an injectable weight-loss drug that has been approved for use on the NHS in the UK for individuals struggling with obesity. It is intended for use in conjunction with a reduced-calorie diet and increased physical activity. The medication helps control appetite, leading to weight loss. It is typically prescribed to those with a BMI over 30 or individuals with weight-related health problems.

Bikini sleeve is a colloquial term referring to a gastric sleeve surgery performed through small, hidden incisions around the bikini line to minimize visible scarring. This technique is designed for patients who are concerned about the cosmetic appearance of their body post-surgery while achieving the same weight loss benefits as traditional Vertical Sleeve Gastrectomy (VSG).