Postural vital signs

• Supine, wait two minutes, measure
• Standing, wait one minute, measure
• Mean changes (from JAMA Rational Clinical Examination):
  • Pulse up by 10.9
  • Systolic BP down by 3.5
  • Diastolic BP down by 5.2
• Significant changes are generally considered
  • Pulse up by 30
  • Systolic BP down by 20
  • Diastolic BP down by 10