The diagnostic value of the head-up tilt test (HUTT) in discovering vasovagal syndrome depends on the pre-test probability. An accurate anamnesis and clinical examination screens the patients indicated for the HUTT. In patients with unexplained syncope, the R-test is an alternative procedure to discover its cause. In our study, we evaluated the diagnostic significance of the HUTT in a group of 211 patients and of the R-test in a subgroup of 45 patients with negative HUTT results and with negative traditional Holter ECG monitoring (24 hr). (Heart International 2006; 3-4: 171-7)
R-test, Head-up tilt test, Syncope
Riccardo Raddino, MD, Section of Cardiovascular Disease, Department of Applied Experimental Medicine, University of Brescia, Via Valsabbina, 19, 25123 Brescia – Italy, firstname.lastname@example.org
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