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Why is the Tilt Table Test Still Useful to Define who Should or Should Not Get A Pacemaker with Vasovagal Syncope?

Vasovagal syncope (VVS) is a clinical condition related to bradycardia (cardioinhibitory response) and/or hypotension (vasodepressor response), likely mediated by parasympathetic activation and sympathetic inhibition. Although clinical presentation is usually associated with a situational, isolated and/or self-limited event, in some cases, VVS might be recurrent, unpredictable and debilitating. There is still no specific medical therapy has been proven widely effective. For a long time, evidence of severe cardioinhibition on the tilt table test (TTT) in association with VVS has been used to offer permanent pacing to combat bradycardia/asystole.

Credits: Tolga Aksu, K?vancYalin

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