What Is the Primary Nursing Diagnosis for Mr. Santos

Mr. Santos, a 45-year-old Male, Is Admitted to the Hospital with a Diagnosis of Peptic Ulcer Disease (PUD) . He Complains of Epigastric Pain That Is Worse at Night and Is Relieved by Eating. He Also Reports Occasional Nausea and Vomiting. the Healthcare Provider Orders an Upper Gastrointestinal (GI) Endoscopy to Confirm the Diagnosis