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Figure 2 Ambulatory blood pressure measurements (MAP) during medical treatment (dashed line) and patient-controlled norepinephrine treatment (solid line) in a patient with Shy-Drager syndrome (Patient 4). The initial drop in MAP at 8:30 h during norepinephrine treatment was due to a delayed start of the infusion pump; the high pressure at 14:50 h was due to an inadvertent additional bolus application. The blood pressure drops at night, especially during conventional treatment, are due to recurrent postural changes during micturition because of urinary incontinence. MAP = mean arterial blood pressure.
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