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Parkinson's Exam
Parkinson's Exam

Blood Pressure

March 12th, 2023


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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