What Happens During a Specialist Evaluation for Acid Reflux?

Dr Shanker Pasupathy

Senior Consultant Surgeon

MBBS (Singapore), FRCS (Glasgow), FRCS (Edinburgh), FAMS (General Surgery)

Many people living with chronic heartburn find themselves trapped in a cycle of temporary relief, relying on antacids to extinguish the immediate fire in their chest only for the discomfort to return. This frustration often stems from a lack of clarity regarding why the reflux is happening in the first place, leading to years of symptom management without achieving a lasting cure.

In cases like this, a specialist evaluation is essential to transition from simply treating acidity to investigating the potential mechanical failure of the digestive system. This process replaces guesswork with clinical evidence—utilising diagnostic mapping, visual gastroscopy, and functional testing—to pinpoint the exact issue and determine the most effective path toward restoring your body’s natural defences.

Understanding Your Symptoms Through a Detailed Clinical Assessment

The evaluation begins with a detailed clinical consultation. During this assessment, the specialist reviews the patient’s symptoms, medical history, response to previous treatment and any factors that may worsen reflux.

This includes discussion of:

• Frequency and severity of symptoms
• Relationship to meals or body position
• Response to medications such as antacids or proton pump inhibitors
• Associated symptoms including regurgitation, chronic cough or throat irritation
• Dietary and lifestyle factors

The aim is to distinguish occasional reflux symptoms from gastro-oesophageal reflux disease (GERD) and to identify patients who may benefit from further investigation.

Particular attention is given to symptoms that may indicate complications or alternative diagnoses, including:

• Difficulty swallowing (dysphagia)
• Pain during swallowing
• Unexplained weight loss
• Persistent vomiting
• Gastrointestinal bleeding or anaemia
• Reflux symptoms affecting sleep or daily activities

Using Gastroscopy to Assess Inflammation and Structural Changes

If clinically indicated, an upper endoscopy or gastroscopy may be recommended. This procedure allows direct visual assessment of the oesophagus, stomach and upper digestive tract.

Gastroscopy is typically performed under light sedation using a thin flexible endoscope inserted through the mouth. The procedure enables the specialist to evaluate for conditions associated with reflux disease, including:

• Oesophagitis
• Hiatal hernia
• Oesophageal narrowing or strictures
• Barrett’s oesophagus
• Gastric inflammation or ulcers

Biopsies may be taken when necessary for further evaluation. This can help identify cellular changes associated with chronic reflux or exclude other conditions affecting the oesophagus.

Evaluating Oesophageal Function with pH Monitoring and Manometry

Some patients may require additional functional testing to better assess how the oesophagus and lower oesophageal sphincter are functioning.

• Oesophageal pH Monitoring

  Twenty-four-hour pH monitoring measures acid exposure within the oesophagus over an extended period. A small sensor records the frequency and duration of reflux episodes and helps correlate symptoms with acid reflux events.

  This investigation is particularly useful in patients with persistent symptoms despite medication or when the diagnosis remains uncertain.

• Oesophageal Manometry

  Oesophageal manometry evaluates the strength and coordination of the oesophageal muscles and lower oesophageal sphincter.

  The test helps determine whether abnormalities in oesophageal motility or sphincter function may be contributing to symptoms. It is also commonly performed before anti-reflux surgery to support treatment planning.

Developing an Individualised Treatment Plan Based on Your Results

Following evaluation, the specialist will review the findings and discuss the most appropriate treatment approach based on the underlying cause and severity of the reflux.

Treatment recommendations may include:

• Dietary and lifestyle modification
• Medical therapy
• Ongoing surveillance where indicated
• Minimally invasive anti-reflux procedures for selected patients

For patients with persistent reflux despite medical management, surgical options such as fundoplication or LINX magnetic sphincter augmentation may be considered after comprehensive assessment.

Comprehensive Reflux Assessment and Care at Digestive Centre

An evaluation is the essential first step toward ending the cycle of medication dependency and protecting your esophagus from long-term damage. However, moving beyond the band-aid approach of antacids requires a professional team capable of pinpointing and repairing the underlying mechanical issue.

At Digestive Centre, our team provides comprehensive assessment and management for reflux disease and upper gastrointestinal conditions. Our specialist Dr Shanker Pasupathy focuses on accurate diagnosis, evidence-based treatment and long-term symptom control tailored to each patient’s condition and clinical needs. Diagnostic evaluation and treatment planning are performed with the goal of improving symptom control while reducing the risk of complications associated with chronic reflux disease.

Patients experiencing persistent or worsening reflux symptoms are encouraged to seek medical evaluation for a comprehensive assessment and individualised treatment plan.

Frequently Asked Questions About Acid Reflux Evaluation

When should I see a specialist for acid reflux?

Medical evaluation is recommended if reflux symptoms occur frequently, persist despite medication, interfere with sleep or are associated with symptoms such as difficulty swallowing, weight loss or chronic cough.

Is gastroscopy painful?

Gastroscopy is generally well tolerated and is commonly performed under light sedation to improve comfort during the procedure.

Why might I need pH monitoring or manometry?

These tests provide additional information about acid exposure and oesophageal function. They are particularly useful when symptoms persist despite treatment or when surgical treatment is being considered.

Your Dedicated Specialist

Dr Shanker Pasupathy is the Medical Director of the Digestive Centre at Mount Elizabeth Hospital and a recognised key opinion leader in gastro-oesophageal reflux, hernia and metabolic disease management. He has extensive international training in gastrointestinal endoscopy, laparoscopy and robotic surgery, with experience gained in the UK, France and Germany.

Prior to private practice, he was Director of the LIFE Centre and Senior Consultant at Singapore General Hospital, where he led the metabolic-bariatric surgery service. Dr Shanker is actively involved in training healthcare professionals across the region and was awarded the Dean’s Award for teaching excellence from NUS Medicine. He also holds leadership positions in regional surgical societies and is a member of the American Society for Metabolic and Bariatric Surgery (ASMBS).