Hiatal Hernia Symptoms: Heartburn, Difficulty. Hiatal Hernia Symptoms: Heartburn, Difficulty. Hiatal Hernia Symptoms: Heartburn, Difficulty. – WebMD Symptoms of a Hiatal Hernia – WebMD Hiatal Hernia Symptoms: Heartburn, Difficulty. – WebMD Hiatal Hernia Symptoms: Heartburn, Difficulty.