Ultrasound basics
What type of wave are ultrasonic waves?
Mechanical wave
What frequency are sound waves considered ultrasound?
20 kHz
Who performs the ultrasound exam and gets the images?
Ultrasound technologist
What is the percentage of the world's population without access to ultrasound imaging?
60%
Do you need radiation for ultrasound imaging?
No
What is the type of crystal that generates ultrasound waves?
Piezoelectric
What is one purpose of obstetric ultrasound imaging?
Confirm pregnancy and due date
Examine uterus and surrounding organs
Determine health of baby
Measure growth of baby
What is one reason why people don't have access to ultrasound imaging?
Social conditions
Remote locations
Lack of funds
What animals use similar ultrasound technology?
Bats and dolphins
What two data are necessary for image reconstruction?
Voltage and distance from the crystal
What is one purpose of abdominal ultrasound imaging?
Evaluate cause of stomach pain/bloating
Identify kidney stones, liver disease, and tumors
What is one way to improve access to ultrasound imaging?
Portable devices
Affordable technology
Training programs
What is it called when animals use echos to determine location of objects?
Echolocation
Why do we need ultrasound gel
To prevent air spaces between the crystal and skin
What is one purpose of vascular ultrasound imaging?
Identify irregular blood flow and blockages
Diagnose narrowing of blood vessels
What diagnosis was the doctor able to make with ultrasound imaging in Gambia?
Fractured rib