The test is typically recommended for:
🩸 Suspected arterial occlusion (due to clot, embolism, or trauma)
💪 Arm pain, weakness, or numbness during use
❄️ Cold fingers or discoloration (suggesting poor blood flow)
🔄 Subclavian steal syndrome
🔍 Thoracic Outlet Syndrome (TOS) evaluation
🔄 Vascular graft/bypass follow-up
🧊 Raynaud’s phenomenon