This guide explains the tilt table test used to investigate causes of fainting episodes, particularly vasovagal syncope. It describes the three-component procedure including postural blood pressure testing, carotid sinus massage, and the main tilt table test using isoprenaline medication to trigger fainting responses. The material covers preparation requirements including 6-hour fasting, potential risks like induced fainting with nausea, monitoring procedures with ECG and IV access, and emphasizes this is a safe diagnostic test to confirm fainting tendencies and underlying mechanisms.