ULTRASOUND

ULTRASOUND

1. HIGHER SOUND FREQ THAN WE CAN HEAR

   • I EAT MY OWN POO

2. HIGHER SOUND FREQ THAN HUMANS CAN HEAR

   • PARTIALLY REFLECTED
   • MOST REFRACTION THROUGH MEDUIM
   • TIME TAKEN FOR REFLECTION TO REACH DETECTOR USED TO MEASURE HOW FAR AWAY BOUNDARY IS

3. USES

   • MEDICINE
     • BREAKING DOWN KIDNEY STONES
       • PAINLESS
       • NO SURGERY NEEDED
     • PRE-NATAL SCANNING OF A FETUS
       • WHEN WAVES REACH BOUNDARIES WAVES REFLECT BACK AND ARE USED TO PRESENT AN IMAGE

4. X-RAYS V ULTRASOUND V CT SCANS

   • SAFETY
     • X-RAYS are IONISING
       • NOT SAFE FOR DEVELOPING BABIES
     • ULTRASOUND
       • NON-IONISING
     • CT SCANS
       • MOST IONISING
         • NOT USED AS OFTEN
   • IMAGE QUALITY
     • X-RAYS
       • CLEAR IMAGES OF METAL AND BONES
     • ULTRASOUND
       • BLURRY HARD TO DIAGNOSE CONDITIONS
     • CT SCANS
       • DETAILED IMAGES EASIER TO DIAGNOSE PATIENTS