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Fig. 3 | BMC Neurology

Fig. 3

From: Adult vasovagal syncope with abdominal pain diagnosed by head-up tilt combined with transcranial doppler: a preliminary study

Fig. 3

Operation of synchronous head-up tilt (HUT) test combined with transcranial Doppler (TCD) sonography

The participants wore the head frame of the TCD and lay flat on an upright tilting bed. Changes in blood pressure, heart rate, and respiration in different positions and drug trials were observed on the HUT screen (yellow arrow), and the TCD screen shows synchronous cerebral blood flow status and a trend line (red arrow)

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BMC Neurology

ISSN: 1471-2377

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