Inside the Tilt Test · Keiser Clinic

Inside our neurological testing

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Real instrumentsKeiser Stack

Heart rate70bpm

lying down

Blood pressure118/76mmHg

Brain blood flow · transcranial Doppler

LMCAdepth 55 mm

1000

620%

Peak 90PI 0.90

RMCAdepth 55 mm

1000

610%

Peak 88PI 0.90

Mean velocity in cm/s. Warmer color means more blood moving at that speed.

Not measured in a standard tilt test.
Nobody is watching the brain.

Breath CO2 · capnograph38mmHg

14 breaths a minute

Not measured in a standard tilt test.

Which moved first?% of lying-down value

Heart rateBrain flow (left)CO2Systolic pressure

Lying flat