- extended reading exercise

• 3-d imaging
• A-Scan
• B-Scan
• acoustic impedance
• advantages
• adverse effects
• colour ultrasound
• doppler imaging
• fracture healing
• piezoelectric effect
• piezoelectric transducer
• probes
• probe use
• questions to try
• safety

Useful Websites to visit:

http://www.ob-ultrasound.net/