Score, RCVS2

The RCVS₂ score can be utilized to distinguish reversible cerebral vasoconstriction syndrome from other intracranial arteriopathies at admission.^[1]

Scoring System

You can use the online calculator here: MDCalc

• Recurrent or single thunderclap headache
  • Absent: 0
  • Present: +5
• Intracranial carotid artery involvement
  • Not affected: 0
  • Affected: -2
• Vasoconstrictive trigger identified^*
  • No: 0
  • Yes: +3
• Sex
  • Male: 0
  • Female: +1
• Subarachnoid hemorrhage present on imaging
  • Absent: 0
  • Present: +1

* Triggers: orgasm, physical exertion, acute stressful or emotional situations, Valsalva maneuvers (eg, straining, coughing, sneezing), bathing, and swimming.^[2]

Classification

• Score ≥5: highly likely
• Score ≤2: highly unlikely
• Score 3-4: equivocal