Heartburn hiccups are mainly considered in the following cases: 1. Coronary heart disease myocardial ischemia. Such patients may previously have underlying diseases such as hypertension, coronary heart disease, diabetes, hyperlipidemia, etc. The above symptoms may easily appear during activities or emotional excitement, and can be effectively relieved after rest or application of drugs such as quick-acting heart pills, and examination of electrocardiogram and cardiac ultrasound can help clarify the diagnosis. 2. Lung diseases. For example, pneumonia, pneumothorax, pulmonary embolism, etc. Patients often have other characteristics of respiratory diseases, such as fever, cough, cough, or pain related to breathing, etc. Checking chest CT, pulmonary artery CTA helps to make a clear diagnosis. 3, digestive system diseases. The most common is reflux esophagitis can also appear these symptoms, but patients are often accompanied by acid reflux and other symptoms, examination of the upper gastrointestinal tract barium meal can help clarify the diagnosis.