Preparation guide

Preparation for lower extremity venous Doppler

Public guide to confirm clothing, medications, compression stockings, varicose veins, suspected thrombosis, and emergency signs before a venous Doppler.

How to use this guide

Lower-limb venous Doppler usually does not require fasting, but the facility may recommend comfortable clothing and early arrival.

If there is suspicion of thrombosis, sudden swelling, significant redness, or intense pain, describe this at check-in.

This material summarizes the most common preparation, but the final instruction must always be confirmed with the clinic or the requesting physician.

What is commonly requested for this exam

• Wear clothing that makes it easy to expose the legs, groin, or requested region.
• Bring previous vascular studies and the clinical reason for the request.
• Inform the team about recent surgery, immobilization, varicose veins, anticoagulants, or prior thrombosis.

Quick checklist

• Confirm whether fasting, water intake, full bladder, empty bladder, or a specific time is required.
• Bring the medical request, ID, insurance information, and related prior exams.
• Do not stop medications on your own.
• Inform the clinic about pregnancy, diabetes, mobility limitation, severe pain, or anticoagulant use.

Useful questions to confirm with the clinic

• Do I need to fast? For how many hours?
• Should I drink water? How much and until when?
• Do I need a full or empty bladder?
• Is there different guidance for children, elderly patients, pregnancy, or diabetes?

Other useful preparation guides

• Preparo para ultrassom
• Urinary Tract
• Complete Abdominal

Published preparation guides

• Complete Abdominal
• Breasts
• Thyroid
• Obstetric
• Pelvic
• Transvaginal
• Urinary Tract
• Venous Doppler

Venous Doppler

No fasting

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