: Used for motility disorders like Achalasia or pelvic floor dysfunction. 💊 Management of Major GI Conditions Gastroesophageal Reflux Disease (GERD)

: The gold standard for direct visualization and biopsy.

: Using CRP, Fecal Calprotectin (to screen for inflammation), and LFTs (for hepatobiliary function). 2. Diagnostic Modalities

: Techniques like POEM (Peroral Endoscopic Myotomy) for treating motility issues without traditional surgery.

Finding a full medical textbook or proprietary "paper" titled (published by McGraw Hill) isn't possible here because it is a copyrighted book.