Learning Ultrasound Physics, Doppler, and Artifacts doesn’t have to be Terrible!
Learn Ultrasound Physics in a Practical, Relevant, and Clinically USEFUL way.
New Blog Post! 👉🔗Pocus101.com
#medtweetorial👇(1/20)
Learn Ultrasound Physics in a Practical, Relevant, and Clinically USEFUL way.
New Blog Post! 👉🔗Pocus101.com
#medtweetorial👇(1/20)
(2/20) Ultrasound machines create images using the Piezoelectric Effect
👉🔗Pocus101.com
👉🔗Pocus101.com
(3/20) Here are the main Ultrasound values and trends you need to understand ultrasound physics
👉🔗Pocus101.com
👉🔗Pocus101.com
(4/20) Frequency = speed of sound/wavelength
High frequency probes have shorter wavelengths.
Lower frequency probes have longer wavelengths.
👉🔗Pocus101.com
High frequency probes have shorter wavelengths.
Lower frequency probes have longer wavelengths.
👉🔗Pocus101.com
(5/20) How ultrasound probe frequency relates to resolution versus penetration
Low frequency probe: better penetration, lower resolution
High frequency probe: high resolution, low penetration
👉🔗Pocus101.com
Low frequency probe: better penetration, lower resolution
High frequency probe: high resolution, low penetration
👉🔗Pocus101.com
(6/20) Ultrasound REFLECTION occurs because of large differences in Impedance between two tissues. This is the physics that causes A-lines in Lung Ultrasound
👉🔗Pocus101.com
👉🔗Pocus101.com
(7/20) Ultrasound REFRACTION occurs because of slight differences in impedance between two tissues.
👉🔗Pocus101.com
👉🔗Pocus101.com
(8/20) Attenuation is the loss and absorption of ultrasound energy through a medium
👉🔗Pocus101.com
👉🔗Pocus101.com
(9/20) Doppler is EASY!
Learn how to use the Doppler Shift equation to help you with your Doppler Settings
👉🔗Pocus101.com
Learn how to use the Doppler Shift equation to help you with your Doppler Settings
👉🔗Pocus101.com
(10/20) Learn about the “BART” mnemonic for Color Doppler: Blue AWAY, Red TOWARDS
👉🔗Pocus101.com
👉🔗Pocus101.com
(11/20) Don’t make Doppler hard. Learn about the concepts of how Pulse Wave, Continuous Wave, and Tissue Doppler ALL work.
👉🔗Pocus101.com
👉🔗Pocus101.com
(12/20) Learn the Relevant Ultrasound Artifacts!
👉🔗Pocus101.com
• Mirror Image Artifact
• Acoustic Shadowing
• Posterior Acoustic Enhancement
• Edge Shadowing Artifact
• Reverberation Artifact
• Comet Tail Artifact
• Ring Down Artifact
• Side Lobe Artifact
👉🔗Pocus101.com
• Mirror Image Artifact
• Acoustic Shadowing
• Posterior Acoustic Enhancement
• Edge Shadowing Artifact
• Reverberation Artifact
• Comet Tail Artifact
• Ring Down Artifact
• Side Lobe Artifact
(13/20) Mirror Image Artifact. Usually seen in right or left upper quadrant but can also been seen on cardiac views!
👉🔗Pocus101.com
👉🔗Pocus101.com
(18/20) Comet Tail Artifact.
Comet tail and ring down artifacts are not the same. Learn the differences:👉🔗Pocus101.com
Comet tail and ring down artifacts are not the same. Learn the differences:👉🔗Pocus101.com
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