
Modules
Lectures
- 1. The piezo electric effect
- 2. The piezo electric effect
- 3. The piezo electric effect
- Beam shape
- Linear array
- Curved array
- Focussing the beam : Acoustic lens
- Focussing the beam: Electronic focussing
- Matrix array
- Phased array
- Reception focussing
- Frame rate
- Multiple focal zones
- Side lobe artifacts
- The matching layer
- Resolution : spatial, temporal, contrast
- Tissue harmonics
- Completion certificate
Lectures
Lectures
- Introduction
- Acoustic shadowing
- Acoustic enhancement
- Edge artifact
- Beam width artifact
- Side lobe artifacts
- Slice thickness
- Grating lobe
- Speckle
- Reverberation
- Comet tail and ring down
- Range ambiguity
- Beam path artifacts : refraction
- Beam path artifacts: Mirror image
- Beam path artifacts: “Partial” mirrors
- Range ambiguity and electrical interference
- Artifact avoidance and minimisation
- Quiz
- Completion certificate
Lectures
Lectures
Lectures
- Case 1 : Echogenicity does not relate to density
- Case 2 : Phased array
- Case 3 : Slice thickness
- Case 4 : Curved array transducer
- Case 5 : Specular reflectors
- Case 6 : Scatterers
- Case 7 : Beam width artifact
- Case 8 : Slice thickness artifact
- Case 9 : Importance of gel for scanning
- Case 10 : Acoustic impedance mismatch
- Case 11 : Error in measurement
- Case 12 : Mirror images
- Case 13 : Reverberation artifact
- Case 14 : Cross correlation
- Case 15 : Anisotropy
- Case 16 : PRF
- Case 17 : Linear vs sector probe visualization of horizontal filaments
- Case 18 : Angle of approach (muscle)
- Case 19 : Importance of having a good window
- Case 20 : Importance of probe position. Fluid level taken from the side vs anteriorly
- Case 21 : Angle of approach (muscle)
- Case 22 : Choice of correct transducer
- Case 23 : Application of pressure to displace the bowel
- Case 24 : Lung tissue interface
- Case 25 : Angle of approach
- Case 26 : Angle of approach
- Case 27 : M mode
- Case 28 : Spatial compounding removing acoustic shadow and slice thickness (foreign body)
- Case 29 : Angle of approach
- Case 30 : Slow moving blood / angle of approach/ Doppler shift
- Case 31 : Interpretation of images (scrotum)
- Case 32 : Resistive index
- Case 33 : Mirror image
- Case 34 : Hepatisation of the lung
- Case 35 : Angle of approach (PV and CBD)
- Case 36 : Mirror image (SMA/Aorta)
- Case 37 : Colour Doppler and artifact
- Case 38 : Bioeffects Radiation force of ultrasound (scrotum)
- Case 39 : Aliasing
- Case 40 : Spectral Doppler High PRF
- Completion certificate