Is the tilt‑table test the same as the head‑up tilt test (HUTT)?

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Last updated: September 6, 2026 • View editorial policy

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Yes, the tilt-table test is the same as HUTT (Head-Up Tilt Test)

HUTT is simply the acronym for Head-Up Tilt Test, which is synonymous with tilt-table testing—they refer to the exact same diagnostic procedure. 1, 2, 3

What the Test Actually Is

The head-up tilt test (HUTT) is an orthostatic stress test that evaluates susceptibility to vasovagal syncope by tilting a patient from supine to upright position. The test monitors for:

  • Inducible presyncope or syncope
  • Hypotension with or without bradycardia
  • Hemodynamic response patterns (cardioinhibitory, vasodepressor, or mixed)

1

Standard Protocol Parameters

According to the 2017 ACC/AHA/HRS guidelines, the optimal HUTT protocol includes:

  • Tilt angle: 70 degrees
  • Duration: 30-40 minutes
  • Adjunctive agents: Low-dose isoproterenol or sublingual nitroglycerin may improve sensitivity but decrease specificity 1

The test has been used for nearly 3 decades as both a research and diagnostic tool for evaluating syncope 1, 2.

Clinical Terminology

Both terms—"tilt-table test" and "head-up tilt test (HUTT)"—are used interchangeably in medical literature and clinical practice. The guidelines consistently reference "head-up tilt-table test" when providing formal recommendations, confirming these are identical procedures 1.

References

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This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.