Time of Flight
Time of FlightRange EquationUltrasound PhysicsSPI Exam Prep13 microsecond rulePropagation speedSoft tissueGo-return time
SPI Exam Prep
Time of Flight
Understand the range equation and time of flight principles used to determine anatomical depth in soft tissue. Calculate imaging depth using the average propagation speed of 1540 m/s and the 13 microsecond rule. ARDMS, ARRT, and CCI registry exam preparation.
9:26
Full lesson
Transcript
9:26 lessonThe range equation calculates reflector depth by multiplying the propagation speed of 1540 meters per second by the go-return time and dividing by two. For every 13 microseconds of travel time, sound travels one centimeter deeper.
Ready to Test Your Knowledge?
Practice with hundreds of questions designed to help you pass the SPI Exam.
Get Full Access
Unlock all SPI Exam Prep video lessons plus practice questions.
- All video lessons in this course
- 6,765+ practice questions
- Pass guarantee included
No credit card required