Accuracy and mean duration of different protocols of head-up tilt testing

The American Journal of Cardiology
J J BlancB Maheu

Abstract

Based on the results of our study, > 95% of patients with a positive passive tilt test are also positive during 3 micrograms/min, and especially 5 micrograms/min, isoproterenol tilt test. A proposed time-saving protocol would be to initiate the test with an isoproterenol infusion and to perform a 45-minute passive tilt only in those patients with a positive 5 micrograms/min (an infusion rate reported to have an excessive low specificity) isoproterenol tilt test, and to consider only those with symptoms associated with objective changes during this latter test as "finally positive." An alternative option would be to perform a 45-minute passive tilt only in those patients with a negative 3 micrograms/min isoproterenol tilt test.

References

Mar 15, 1992·Journal of the American College of Cardiology·R Sheldon, S Killam
Jan 1, 1989·The American Journal of Cardiology·M B WaxmanJ Roseman
Jul 28, 1983·The New England Journal of Medicine·W N KapoorG S Levey
Feb 1, 1995·The American Journal of Cardiology·A DhalaM Akhtar
Feb 1, 1993·American Heart Journal·A M RubinP R Kowey
Jul 1, 1993·Journal of the American College of Cardiology·R Sheldon

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Citations

Mar 26, 1999·Journal of the American College of Cardiology·W K ShenS C Hammill
Jul 14, 2000·Journal of the American Geriatrics Society·J YoudeM Fotherby
Apr 20, 2005·Internal Medicine Journal·A W F Hamer, J E Bray

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