1. Unstable angina: transient elevation of ST segment, no change in cardiac markers cardiac enzymes.
2. Aortic coarctation: tearing pain with no relief.
3. Acute pulmonary embolism: signs of right heart failure
4. Acute pericarditis: elevation of the ST segment bowing downward, with pericardial friction sounds
5. Acute abdomen: differentiation from many surgical emergencies, such as upper gastrointestinal perforation, acute necrotizing pancreatitis.
In the differential diagnosis of cardiac infarction, the application of cobas h 232 Cardiac System detector provided by Zhongyi Kanghui (Beijing) International Trade Co., Ltd. to analyze the changes in cardiac markers cardiac enzymes, the role of which is prominent.