Liu, Nan <br/><br/>
Heart rate n-variability (HRnV) and its application to risk stratification of chest pain patients in the emergency department.  [electronic resource] 

 -  BMC cardiovascular disorders  04 2020 
 - 168 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1471-2261 
<br/><br/><label>Standard No.: </label>10.1186/s12872-020-01455-8  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged<br/>Angina Pectoris--diagnosis<br/>Cardiology Service, Hospital<br/>Electrocardiography<br/>Emergency Service, Hospital<br/>Female<br/>Heart Rate<br/>Humans<br/>Male<br/>Middle Aged<br/>Myocardial Revascularization<br/>Predictive Value of Tests<br/>Prognosis<br/>Retrospective Studies<br/>Risk Assessment<br/>Risk Factors<br/>Time Factors