DDU(Vascular) - Australasian Society for Ultrasound in Medicine

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DDU(Vascular) SyllabusBioeffects and safetyDescribe:- importance of bioeffects and safety- current knowledge based on epidemiology and clinical experience- difference between bioeffects and biohazards- known mechanisms and factors affecting them:• thermal effects• cavitation• other mechanical effects- ultrasound output measurement- parameters used to characterise exposure:• pressure, power and intensity• spatial and temporal variation of intensity• I spta , I sptp , I satp , I sata - definitions and relative magnitudes- comparison of exposure levels associated with different operatingmodes: 2D imaging, M-mode, cw and pulsed Doppler etc- Thermal and Mechanical Indexes - purpose and interpretation- practical approaches to minimising risk- ALARA principle- ASUM policy statements and guidelinesNew and evolving techniquesDescribe:- principles, advantages and limitations of:• compound scanning• tissue harmonic imaging• panoramic scanning (extended field of view)• ultrasound contrast agents• 3D and 4D scanning• 1.5D and 2D array transducers (matrix arrays)• coded signals• Doppler tissue imaging• elastography10
DDU(Vascular) SyllabusPart B: Principles of Image/Data Collection andOptimisation(15% Weighting)RATIONALEThe aim of any ultrasound examination is to produce accurate, valid and clinically usefulinformation. In achieving this aim all professionals involved in the ultrasound examinationmust have adequate underpinning knowledge and skill in: ultrasound physics andinstrumentation (Part A of this syllabus); the major techniques used, principles appliedand potential pitfalls encountered in producing an examination; the standard terminologyand principles of reporting information used to describe ultrasound appearances and thecare and maintenance of the equipment to ensure safe and accurate use.AIMFor the candidate to demonstrate knowledge and application of the principlesunderpinning the production of an accurate and valid ultrasound examination that can beused as foundational knowledge for ongoing practice in the field of diagnostic ultrasound.LEARNING OBJECTIVES1. Describe a range of techniques that can be used to ensure the best qualityexamination is obtained including: patient positioning and breathing; thoroughsystematic scanning throughout relevant organs/structures.2. Describe and be able to apply a range of probe manipulation techniques in orderto produce an accurate, valid and efficient examination.3. Define and be able to recognise standard scan planes, image orientation andassociated terminology used in general ultrasound applications and recognisewhere there may be variations used in particular fields (eg intracavity scanningand cardiac ultrasound).4. Describe the principles of adequate documentation of ultrasound images and dataincluding labelling of images/data, and recording and archiving methods.5. Define and be able to accurately apply standard terminology used to describeultrasound appearances.6. Describe the use of, and be able to apply, equipment controls to optimise thequality of the images/data produced including: time gain compensation (TGC);power/”gain”; focus; depth and zoom; principles of measurement to enhanceaccuracy.7. Describe the general principles of ultrasound guidance for interventionalprocedures.8. Describe general principles of care and maintenance of equipment.9. Describe and be able to apply principles of infection control in the use ofultrasound and its associated equipment.11
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DDU(Vascular) - Australasian Society for Ultrasound in Medicine

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