Tilt Table Test

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specialty:
Cardiology

Case description

A tilt table test (TTT), occasionally called upright tilt testing (UTT), is a medical procedure often used to diagnose dysautonomia or syncope. Patients with symptoms of dizziness or lightheadedness, with or without a loss of consciousness (fainting), suspected to be associated with a drop in blood pressure or positional tachycardia are good candidates for this test.


The procedure tests for causes of syncope by attempting to cause syncope by having the patient lie flat on a special table or bed and then be monitored with ECG and a blood pressure monitor that measure continuous, beat to beat, non-invasively. The table then creates a change in posture from lying to standing.


A tilt table test can be done in different ways and be modified for individual circumstances. In some cases, the patient will be strapped to a tilt table lying flat and then tilted or suspended completely or almost completely upright (as if standing).


Most of the time, the patient is suspended at an angle of 60 to 80 degrees. Sometimes, the patient will be given a drug, such as glyceryl trinitrate (nitroglycerin) or isoproterenol, to create further susceptibility to the test.


In all cases, the patient is instructed not to move. Symptoms, blood pressure, pulse, electrocardiogram, and sometimes blood oxygen saturation are recorded. The test either ends when the patient faints or develops other significant symptoms, or after a set period (usually from 20 to 45 minutes, depending on the facility or individualized protocol)

tags: tilt test tilt table test upright tilt testing TTT utt dysautonomia syncope fainting bradycardia diagnostic


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