Retrosternal pain
Dysphagia
Vomiting
Choking
Coughing/aspiration (if secretions pool proximal to the obstruction)
Refusal or inability to eat
Vomiting
Gagging and choking
Stridor
Neck or throat pain
Drooling
Ingested foreign body
Consider tracheal/lung aspiration  of foreign body
Aspirated foreign body
Oropharyngeal dysphagia
Soft tissue foreign body
CVA
Infected G-tube
Parkinson's disease