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Duplex Color Doppler

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About Duplex Color Doppler

Duplex Color Doppler is an advanced ultrasound technique that evaluates blood flow in arteries and veins while simultaneously visualizing vessel structure. It combines traditional B-mode imaging with Doppler flow analysis to detect blockages, clots, narrowing, and vascular abnormalities.

Overview

  • Assesses blood circulation in arteries and veins

  • Detects deep vein thrombosis (DVT), varicose veins, and arterial blockages

  • Evaluates carotid arteries to assess stroke risk

  • Monitors peripheral vascular disease and diabetic vascular complications

  • Assists in pre- and post-surgical vascular evaluation

Workflow

Step 1: Patient Positioning
Patient is comfortably positioned depending on the area being examined.

Step 2: Gel Application
A water-based gel is applied to improve sound wave transmission.

Step 3: Probe Examination
Ultrasound probe is moved over the targeted blood vessels.

Step 4: Doppler Flow Assessment
Color Doppler visualizes direction and velocity of blood flow.

Step 5: Image Interpretation & Reporting
Radiologist analyzes flow patterns and generates a detailed report.

Benefits & Value

For Patients

  • Non-invasive and painless procedure

  • No radiation exposure

  • Early detection of vascular problems

For Caregivers & Families

  • Early identification of clot risk

  • Prevents complications like stroke or limb ischemia

  • Supports timely medical intervention

For the Community

  • Reduces stroke and vascular emergency rates

  • Promotes awareness of circulatory health

  • Supports preventive vascular screening programs

Risks & Challenges

  • • Mild discomfort due to probe pressure
  • • Rare reporting inaccuracies in complex cases
  • • Operator-dependent interpretation
  • • Limited visibility in obese patients or heavily calcified vessels

Frequently Asked Questions

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