Sonoacademy —
- 🎓 Basic wave properties
- 🎓 Acoustic impedance
- 🎓 Attenuation
- 🎓 Resolution
- 🎓 Spatial pulse length
- 🎓 Pulse repetition frequency (PRF)
- 🎓 Pulse repetition period (PRP)
- 🎓 Bandwidth & center frequency
- 🎓 Transducers
- 🎓 Beam formation
- 🎓 Doppler physics
- 🎓 Harmonic imaging
- 🎓 Speckle (coherent interference)
- 🎓 Contrast agents (microbubbles)
- 🎓 Image formation & processing
- 🎓 Safety metrics
- 🎓 Quantitative ultrasound
- 🎓 A-mode (amplitude mode)
- 🎓 B-mode (brightness / 2D grayscale)
- 🎓 M-mode (motion mode)
- 🎓 Doppler
- 🎓 Tissue Doppler Imaging (TDI)
- 🎓 3D / 4D ultrasound
- 🎓 Harmonic imaging
- 🎓 Compound imaging
- 🎓 Speckle-reduction imaging
- 🎓 Elastography
- 🎓 Contrast-enhanced ultrasound (CEUS)
- 🎓 Fusion imaging
- 🎓 Intravascular ultrasound (IVUS)
- 🎓 High-frequency (micro) ultrasound
- 🎓 Point-of-Care Ultrasound (POCUS)
- 🌫️ Propagation Artifacts
- 🌫️ Attenuation Artifacts
- 🌫️ Doppler Artifacts
- 🌫️ Beam Geometry Artifacts
- 🌫️ Equipment / System Artifacts
- 🌫️ Physiological / Patient-Related Artifacts
- 1 ⚕️ Abdomen
- 2 ⚕️ Obs & Fetal
- 3 ⚕️ Scrotum
- 4a ⚕️ Breast (Gray-Scale)
- 4b ⚕️ Breast (Doppler)
- 5 ⚕️ Breast (Elastography)
- 6 ⚕️ Male Chest
- 7 ⚕️ Dorsal Wall
- 8 ⚕️ Neck (Gray-Scale)
- 9 ⚕️ Neck (Doppler)
- 10 ⚕️ Upper Limb (Gray-Scale)
- 11 ⚕️ Upper Limb (Doppler)
- 12 ⚕️ Lower Limb (Gray-Scale)
- 13 ⚕️ Lower Limb (Doppler)
- 14 ⚕️ Interventional / Procedural
- 15 ⚕️ Neonatal / Pediatric
- 16 ⚕️ Thoracic
- 17 ⚕️ Cardiac (Echocardiography)
- 18 ⚕️ Vascular / Angiology
- 19 ⚕️ Musculoskeletal (MSK)
- 20 ⚕️ Ophthalmic
- 21 ⚕️ Cheek / Buccal
- 22 ⚕️ Nasal & Paranasal Sinus
- 23 ⚕️ Spine ultrasound
- 1 🏁 Abdomen
- 2 🏁 Obs & Fetal
- 3 🏁 Scrotum
- 4 🏁 Breast (Gray-Scale)
- 5 🏁 Breast (Doppler)
- 6 🏁 Male Chest
- 7 🏁 Dorsal Wall
- 8 🏁 Neck (Gray)
- 9 🏁 Neck (Doppler)
- 10 🏁 Upper Limb (Gray)
- 11 🏁 Upper Limb (Doppler)
- 12 🏁 Lower Limb (Gray)
- 13 🏁 Lower Limb (Doppler)
- 14 🏁 Interventional / Procedural
- 15 🏁 Neonatal / Pediatric
- 16 🏁 Thoracic
- 17 🏁 Cardiac
- 18 🏁 Vascular / Angiology
- 19 🏁 Musculoskeletal (MSK)
- 20 🏁 Ophthalmic
- 21 🏁 Cheek/Buccal
- 22 🏁 Nasal & Paranasal Sinus
- 1. Cobblestoning Sign
- 2. Snowstorm Appearance
- 3. Comet-tail Artifact
- 4. Ring-down Artifact
- 5. Dirty Shadowing (Gas)
- 6. Clean Shadowing (Stone)
- 7. Twinkle Artifact
- 8. Target/Bull’s-eye Sign
- 9. Pseudokidney Sign
- 10. Doughnut Lesion Sign
- 11. Sandwich Sign
- 12. Crescent-in-Doughnut Sign
- 13. Keyboard Sign (Small Bowel)
- 14. Double Duct Sign
- 15. Starry Sky Appearance
- 16. Water Lily Sign
- 17. Wheel-within-Wheel Sign
- 18. Honeycomb Appearance
- 19. String of Pearls Sign
- 20. String of Beads Sign
- 21. Yin-Yang Sign
- 22. To-and-Fro Sign
- 23. Portal Flow Reversal
- 24. Aliasing in Doppler
- 25. Double Bubble Sign
- 26. Snowstorm Appearance (Molar)
- 27. Double Decidual Sac Sign
- 28. Halo Sign
- 29. Floating Fetus Sign
- 30. Seashore Sign
- 31. Barcode/Stratosphere Sign
- 32. Bat Sign
- 33. Lung Point Sign
- 34. Curtain Sign
- 35. Shred Sign
- 36. Hepatization of Lung
- 37. Keyhole Sign
- 38. Bear Claw Sign
- 39. Spoke Wheel Sign
- 40. Hydronephrosis Appearance