 However, they are generally believed to be insufficient to diagnose GERD and rule-out other causes of chest pain and/or abdominal pain such as myocardial infarction (heart attack).The pink lady is the de facto term describing xylocaine viscous and a liquid antacid given by mouth to treat emergency department patients and help determine if the chest pains are either heart or digestive related.If esophageal symptoms subside the treatment may indicate the symptoms are non-cardiac.