heartburn. blue realistic stomach with flame on dark background

heartburn stomach disease gastric reflux indigestion burning problem cross flame pyrosis cardialgia sensation health medical ache symptom gastritis digestive sick digestion pain acid discomfort gerd acidity body illness inflammation stomachache belly ulcer sickness abdomen infection irritation stress gastrointestinal fire ill gastroesophageal esophageal sphincter dyspepsia regurgitation peptic antacid esophagitis helicobacter blue realistic dark background xray heartburn indigestion stomach gerd background vector like x-ray