Tilt Table Exam (Tilt Table Test)

Unexplained fainting, or syncope, can be an unsettling experience. Often, these episodes are connected to underlying heart conditions. A tilt table exam—also called a tilt table test—is a safe, noninvasive diagnostic tool used to help find the root cause of repeated fainting or severe dizziness.

During the exam, specially trained health care providers study how your heart rate and blood pressure react to changes in position. By secure, controlled testing on a table that adjusts to different angles, your care team can pinpoint exactly what triggers your symptoms.

Fainting or feeling dizzy can be associated with several different conditions, including:

• Irregular heartbeat (arrhythmia)
• Heart valve disease
• Cardiomyopathy
• Low blood sugar (hypoglycemia)
• Vasovagal syndrome
• Postural orthostatic tachycardia syndrome (POTS)
• Orthostatic hypotension

What Are the Benefits of a Tilt Table Exam?

Because a tilt table exam is entirely noninvasive, it requires no downtime afterward. The detailed information gathered during the test helps your care team understand your cardiovascular patterns, enabling them to customize a treatment plan tailored specifically to your life and well-being.

What Can You Expect During a Tilt Table Exam?

To prepare for your exam, you may be asked to fast (avoiding food and drink) for several hours beforehand.

When you arrive, a health care provider will place an intravenous (IV) line in your arm. This allows your team to administer medication if needed during the test. A typical tilt table exam lasts between 20 and 45 minutes.

Here is what you can expect during the procedure:

• Baseline Monitoring: You will start by lying flat on a specialized table. Comfortable safety straps will secure you safely to the table. Specialists will place EKG patches on your chest to track your heart rhythm and secure a blood pressure cuff to monitor your vitals. 
• The Tilt: Once baseline measurements are recorded, your care team will gently tilt the table upward, raising your head to a standing position.
• Controlled Symptom Reproduction: If standing does not naturally trigger your dizziness, your provider may introduce a mild medication through your IV. This is done to safely replicate your symptoms in a controlled, highly monitored environment so we can capture exactly what your heart is doing during an episode.

Understanding Your Test Results

• Negative (Normal) Result: If your blood pressure remains stable and you do not experience fainting or dizziness, the test is negative. Your specialist will work with you to explore other potential causes of your symptoms. 
• Positive (Abnormal) Result: If your blood pressure drops, your heart rate changes or you begin to feel faint, the test is positive. This helps your care team target the precise cause of your symptoms.

After the exam, your physician will review the results with you to discuss next steps. Some patients with a positive result may benefit from medication to manage low blood pressure or a slow heart rate. For patients with dizziness or fainting that requires more extensive treatment, health care providers may suggest additional intervention.

What Is the Recovery Following a Tilt Table Exam?

There is generally no downtime required after a tilt table exam. If you experienced a positive test result and felt faint during the procedure, you may feel slightly tired or nauseated for a brief period. You will be able to return to your normal routine almost immediately.

What Are the Risks and Side Effects of a Tilt Table Exam?

A tilt table exam is a relatively safe way to evaluate your heart health. While reproducing symptoms like dizziness or fainting can feel temporarily uncomfortable, experiencing them in a clinical environment means you are surrounded by specialists who are trained to support you.

 Some patients may experience minor, temporary side effects, including:

• Low or high blood pressure
• Temporary headache
• Mild nausea

Trusted Compassionate Care from Memorial Hermann

At Memorial Hermann Heart & Vascular, we believe that healing the body and reassuring the mind go hand-in-hand. Our affiliated specialists are committed to diagnosing, treating and helping you manage cardiovascular conditions with a personalized, patient-centered approach. With convenient diagnostic locations across Greater Houston, we are here to support you throughout your health journey.