What are sx and dx of GERD?

• II. Symptoms : Substernal pain, heartburn, and regurgitation.Extraesophageal symptoms include sore throat, hoarse voice,halitosis, and dental caries. • III. Diagnosis: - History and physical - sophagoscopy: may reveal varying degrees of esophagitis - 24-hour pH probes: placed in the lower esophageal area to measure exposure of the esophagus to acid - Intraesophageal impedance monitoring: detects nonacid reflux