Parkinson's Exam

Blood Pressure



  • Postural hypotension may be present in a patient with Parkinson’s disease, as they may develop autonomic neuropathy.
    • How To Perform

    • Measure the blood pressure with the patient lying down, and then remeasure it after the patient has been standing for one minute.
    • Interpretation

    • Postural hypotension is present if there is a fall of >20mmHg systolic and >10mmHg diastolic blood pressure following standing.
    • Causes of Postural Hypotension

    • Autonomic dysfunction
    • Low intravascular volume - blood / fluid / electrolyte loss
    • Vasodilation - nitrates, alcohol, fever
    • Addison’s disease
    • Paraneoplastic syndrome
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