Mar 4, 2026, 14:21
Midhuna Krishnan: Simplifying Doppler Effect and Ultrasonography Using the Feynman Method
Midhuna Krishnan, Student at Dr N.G.P. Institute of Technology, shared a post on LinkedIn:
“Exploring the physics behind diagnostic imaging
Simplifying Doppler Effect and Ultrasonography using the Feynman method.
This cheat sheet explains:
- Frequency increases when blood moves toward the probe
- Frequency decreases when blood moves away
- Angle correction (less than 60 degrees) gives accurate velocity
- Different ultrasound modes – A, B, M
- How the frequency varies with different applications
- Doppler modes – CW, PW, Color, Power, Spectral
- Errors like aliasing and how to correct them
Clinical applications include:
- Detecting blocked arteries
- Measuring fetal heart rate
- Diagnosing deep vein thrombosis (DVT)
- Performing echocardiography
Simple concept.
Great impact.
Grateful for Sri Roshini R mam for turning topics into clear understanding .
Thank you for your guidance in Medical Physics .”
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