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Updated: Jul 16, 2025

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

Paul N Cooper1,2, Richard Sutton3

  • 1Department of Neurology, Manchester Centre for Clinical Neurosciences: Salford Royal Hospital, Salford, UK paul.cooper@manchester.ac.uk.

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|September 19, 2023
PubMed
Summary
This summary is machine-generated.

Tilt testing is a valuable diagnostic tool for unexplained syncope, using cardiac monitoring and blood pressure measurements to identify causes. This method, though time-consuming, aids in guiding patient therapy with rare complications.

Keywords:
CONSCIOUSNESS

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Area of Science:

  • Cardiology
  • Neurology
  • Diagnostic Medicine

Background:

  • Unexplained syncope (fainting) poses a diagnostic challenge.
  • Tilt testing is a key method for diagnosing syncope by simulating postural changes.
  • The Italian protocol is a widely adopted standard for tilt testing.

Purpose of the Study:

  • To describe the methodology and utility of tilt testing in diagnosing unexplained syncope.
  • To outline the different types of syncope identifiable through tilt testing.

Main Methods:

  • Utilizes the Italian protocol for tilt testing.
  • Involves 15 minutes of tilt-up followed by sublingual nitroglycerine administration.
  • Monitors beat-to-beat blood pressure (BP) and records video during the test.

Main Results:

  • Tilt testing can precipitate syncope episodes for diagnosis.
  • Identifies various syncope types: vasovagal, classic orthostatic hypotension, delayed orthostatic hypotension, psychogenic pseudosyncope, and postural orthostatic tachycardia syndrome.
  • Demonstrates clinical utility in guiding therapy.

Conclusions:

  • Tilt testing is clinically useful for diagnosing unexplained syncope.
  • The procedure is generally safe with rare complications.
  • Effective in differentiating various syncope subtypes and informing treatment strategies.