T17.21

Clinical Causes: Gastroesophageal reflux disease (GERD): Backward flow of stomach acid into the esophagus and throat. Aspiration of gastric contents: Inhalation of stomach contents into the throat or airways, common during vomiting or reflux episodes. Anatomical anomalies: Structural abnormalities such as a hiatal hernia that facilitate reflux. Impaired swallowing reflex: Conditions that hinder clearing of the throat or esophagus, increasing the risk of aspiration. Neurological disorders: Diseases affecting nerve control of swallowing and reflexes, like Parkinson's disease or stroke.

Key Symptoms: Frequent throat clearing Sensation of something in the throat or a lump (globus sensation) Coughing, particularly after eating or lying down Hoarseness or sore throat Difficulty swallowing (dysphagia) Regurgitation of gastric contents into the mouth or throat Unpleasant taste in the mouth Respiratory issues such as coughing or wheezing

Diagnosis Path: Diagnosis involves a combination of medical history review, physical examination, and specific tests, including: - Upper endoscopy: Visual examination of the esophagus, stomach, and pharynx. - Barium swallow study: X-ray imaging after swallowing a contrast material. - pH monitoring: Measuring acid levels in the throat to detect reflux. - Swallowing studies: Assessing the function of swallowing muscles. These assessments help determine the presence of gastric contents in the pharynx and any underlying causes.

Treatment Protocols: Management strategies focus on reducing reflux and preventing aspiration: - Lifestyle modifications: Avoiding foods that trigger reflux, losing weight, quitting smoking, and elevating the head of the bed. - Dietary changes: Eating smaller, more frequent meals and avoiding lie-down after eating. - Medications: Proton pump inhibitors (PPIs) and H2-receptor antagonists to decrease stomach acid production. - Therapeutic procedures: Surgery or endoscopic treatments may be considered in severe cases to reinforce the lower esophageal sphincter. - Speech and swallow therapy: To improve swallowing function and reduce aspiration risk. Early intervention can help prevent complications such as damage to the throat, lungs, or recurrent infections.