Bäcklund, M <br/><br/>
Changes in heart rate variability in elderly patients undergoing major noncardiac surgery under spinal or general anesthesia.  [electronic resource] 

 -  Regional anesthesia and pain medicine   
 - 386-92 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Comparative Study; Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1098-7339 
<br/><br/><label>Standard No.: </label>10.1016/s1098-7339(99)90002-0  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged<br/>Anesthesia Recovery Period<br/>Anesthesia, General<br/>Anesthesia, Spinal<br/>Arthroplasty, Replacement, Hip<br/>Electrocardiography<br/>Female<br/>Heart Rate<br/>Humans<br/>Male<br/>Myocardial Ischemia--epidemiology<br/>Postoperative Period<br/>Risk Factors<br/>Vascular Surgical Procedures