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Related Experiment Video

Updated: Jun 6, 2026

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance

Tilt Testing with Combined Lower Body Negative Pressure: a "Gold Standard" for Measuring Orthostatic Tolerance

Published on: March 21, 2013

[Arrhythmia after a positive head-up tilt table test].

Wen LI¹, Cheng WANG, Li-jia WU

¹Department of Cardiovascular Pediatrics, Second Xiangya Hospital of Central South University, Changsha 410011, China.

Zhonghua Xin Xue Guan Bing Za Zhi

|November 25, 2010

Summary

Common arrhythmias after a positive head-up tilt table test (HUTT) include sinus bradycardia, junctional escape rhythm, and sinus arrest. These arrhythmias often coincide with syncope or blood pressure changes, particularly during the passive HUTT (BHUT).

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Area of Science:

Cardiology
Clinical Electrophysiology
Diagnostic Testing

Context:

The head-up tilt table test (HUTT) is a crucial diagnostic tool for evaluating syncope and autonomic dysfunction.
Understanding the characteristics of arrhythmias post-HUTT is essential for accurate diagnosis and patient management.
This study investigates arrhythmias detected during and after HUTT in a large patient cohort.

Purpose:

To characterize the types and timing of arrhythmias following a positive head-up tilt table test (HUTT).
To compare arrhythmia occurrence between passive HUTT (BHUT) and sublingual nitroglycerin-provoked HUTT (SNHUT).
To analyze the relationship between arrhythmias and clinical events like syncope and hypotension.

Summary:

Sinus bradycardia, junctional escape rhythm, and sinus arrest were the most frequent arrhythmias observed post-positive HUTT.
Sinus bradycardia was more prevalent in adults, while sinus arrest occurrence was independent of age, gender, or test type.
Arrhythmias frequently occurred concurrently with syncope/pre-syncope and blood pressure reduction in BHUT, but often lagged in SNHUT.

Impact:

Provides insights into the temporal relationship between arrhythmias and hemodynamic/symptomatic events during different HUTT protocols.
Highlights the diagnostic utility of HUTT in identifying specific arrhythmia patterns associated with syncope.
Contributes to a better understanding of autonomic responses during tilt table testing for diagnosing cardiovascular conditions.