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the investigators aimed to analyzed data for hospitalized MI patients with normal ECG.
The electrocardiogram (ECG) at presentation is a useful tool for risk prediction. Patients with ACS（Acute Coronary Syndromes） and ST-segment depression on ECG have a worse prognosis than patients with a normal ECG. ST-segment depression is not only a qualitative marker, but also a quantitative marker of risk, because the number of leads with ST-segment depression and the magnitude of ST-segment depression (either within a single lead or as sum over all leads) are indicative of the extent of ischaemia and correlate with prognosis.The presence of ST-segment depression >1 mm in >_6 leads in conjunction with ST-segment elevation in aVR and/or V1, particularly if the patient presents with haemodynamic compromise, suggests multivessel ischaemia or severe left main coronary artery stenosis. However,in patients presenting without persistent ST-segment elevation,the clinical features, treatments, and outcomes in patients with normal ECG is still unclear.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| NSTEMI Patients presenting with normal ECG | NSTEMI Patients presenting with normal ECG | ||
| NSTEMI Patients presenting with isolated T wave inversion | NSTEMI Patients presenting with isolated T wave inversion | ||
| NSTEMI Patients presenting with transient ST-segment elevation | NSTEMI Patients presenting with transient ST-segment elevation | ||
| NSTEMI Patients presenting with resting U wave inversion | NSTEMI Patients presenting with resting U wave inversion | ||
| NSTEMI Patients presenting with low QRS voltage | NSTEMI Patients presenting with low QRS voltage |
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| Measure | Description | Time Frame |
|---|---|---|
| MACE within 2 weeks | Major Adverse Cardiovascular Events within2 weeks | within 2 weeks |
| MACE within 1 year | Major Adverse Cardiovascular Events in-hospital within 1 year | within 1 year |
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Inclusion Criteria:all patients hospitalized with a principal diagnosis of non-ST-segment elevation infarction (NSTEMI) according to the current ACC/AHA guidelines.
exclusion criteria: end-stage organic disease, thrombotic hematological disorders, and poor echogenicity
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NSTEMI Patients
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| qiongya Guo | Contact | 18838067197 | gqy19870203@163.com | |
| minghu Zhao | Contact | 13603996609 | 634851967@qq.com |
| Name | Affiliation | Role |
|---|---|---|
| yansheng Huang | Henan Provincial People's Hospital | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Henan province people's hospital | Recruiting | Zhengzhou | Henan | China |
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| ID | Term |
|---|---|
| D000072658 | Non-ST Elevated Myocardial Infarction |
| ID | Term |
|---|---|
| D009203 | Myocardial Infarction |
| D017202 | Myocardial Ischemia |
| D006331 | Heart Diseases |
| D002318 | Cardiovascular Diseases |
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| D014652 |
| Vascular Diseases |
| D007238 | Infarction |
| D007511 | Ischemia |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D009336 | Necrosis |