Can a hiatal hernia cause pain or discomfort when walking? Tried to walk had pain in upper center abdominal area and pressure in chest EKG EGD normal

Can have no symptoms. Can have no symptoms, but people may experience:
Pain areas: in the abdomen or chest
Gastrointestinal: belching, heartburn, hiccup, nausea, regurgitation, or vomiting
Also common: throat irritation
Risk factors: Age over Fifty,
large hiatal hernia can allow food and acid to back up into your esophagus, leading to heartburn. Self-care measures or medications can usually relieve these symptoms.