Subjective — ask

• Pain: claudication (distance to onset, relief with rest); rest pain (often nocturnal, relieved by dependency); or acute severe pain.
• Swelling: onset, unilateral versus bilateral, and pattern.
• Skin changes, ulcers, or wounds; coldness, numbness, or tingling.
• Adherence and adverse effects of anticoagulants, antiplatelets, and vasodilators; compression tolerance.
• Mobility and activity tolerance, and any change from baseline.