system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 40 year old presenting with dizziness on standing with systolic reduction of BP of 50mm Hg;appropriate treatment -a) Graded compression stockingsb) Salbutamolc) Fludrocortisoned) β-blockers
assistant
The correct answer is  None