Tilt Tests in London

Tilt Table Test: What You Need to Know

What is a Tilt Table Test?

A tilt table test is a diagnostic procedure used to evaluate how your body responds to changes in position — especially when moving from lying down to standing. It helps doctors determine the cause of unexplained fainting (syncope), light-headedness, or dizziness.

During the test, you lie on a special table that is slowly tilted upright while your heart rate and blood pressure are monitored.

Why is a Tilt Test Done?

Your doctor may recommend a tilt test if you have:

  • Unexplained fainting spells

  • Frequent dizziness or light-headedness

  • Drop in blood pressure when standing (postural hypotension)

  • Suspected vasovagal syncope (a common cause of fainting)

  • Symptoms that may be related to autonomic nervous system dysfunction

The goal is to see whether a change in posture triggers an abnormal drop in blood pressure or heart rate that could cause fainting.

What Happens During the Test?

  1. Preparation: You will lie flat on a special table, secured with safety straps to prevent falling.

  2. Monitoring equipment is attached:

    • Electrodes to monitor your heart rhythm (ECG)

    • A cuff to measure blood pressure

    • Sometimes a small IV line in case medication is needed

  3. Initial phase: You rest lying flat for about 5–10 minutes to get baseline readings.

  4. Tilting phase: The table is tilted to an upright position (usually between 60 and 80 degrees). You’ll stay in this position for up to 45 minutes, while your vital signs are monitored.

  5. Optional medication: If no response occurs, a medication like isoproterenol or nitroglycerin may be given to increase the sensitivity of the test.

  6. Recovery: If symptoms occur or the test ends, the table is returned to a flat position and you are monitored until you feel well.

If you faint or feel unwell during the test, staff are there to help immediately. The test is stopped if necessary.

How Are Tilt Test Results Analysed?

Your doctor will review the following:

  • Heart rate and rhythm

  • Blood pressure changes

  • Timing of any symptoms (e.g. dizziness, nausea, fainting)

They’ll compare what happened during the test with your usual symptoms to determine whether there’s a connection.

Common findings include:

  • Vasovagal syncope: A sudden drop in heart rate and blood pressure, often triggered by standing.

  • Orthostatic hypotension: A consistent drop in blood pressure upon standing.

  • Postural orthostatic tachycardia syndrome (POTS): A rapid increase in heart rate with little or no drop in blood pressure.

Is the Test Safe?

Yes — the test is generally safe and well-tolerated. Some people may feel faint or nauseated, but these effects are short-lived and closely monitored by medical staff.

Before Your Test

  • You may be asked to avoid eating or drinking for several hours before the test.

  • Wear comfortable clothing.

  • Tell your doctor about any medications, especially blood pressure or heart medications.

Suffering from fainting and dizziness?

If you have been struggling with dizziness, palpitations or fainting spells, speak to our specialists at London Heart Group to discuss tilt table testing.
Get a comprehensive cardiac assessment at London Heart Group. Call us on 0208 226 5888 or email enquiries@londonheartgroup.co.uk