Neurocardiogenic syncope tilt table testing

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

The head-up tilt table test mimics the orthostatic stress. The orthostatic stress results in maximal venous pooling, central hypovolaemia and peripheral provocation of vasovagal syncope.

In-spite of the test being positive in patients with neurocardiogenic shock, it is not considered as a gold standard for diagnosis because of its limited sensitivity, specificity and reproducibility.^[1]

Depending on patient selection and protocol, the test has high sensitivity (upto 80%) but low specificity.

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