Yield of diagnostic tests in evaluating syncopal episodes in older patients--invited commentary.
Quinn
James V
JV
Division of Emergency Medicine, Stanford University, Palo Alto, CA 94304, USA. quinn@stanford.edu
D000368:Aged; D019937:Diagnostic Techniques and Procedures / Q000191:economics / Q000706:statistics & numerical data*; D006801:Humans; D012307:Risk Factors; D013575:Syncope / Q000175:diagnosis*