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Class Notes for MEDS12001 at Central Queensland University

Physics of Ultrasound

MEDS12001 Lecture Notes - Lecture 8: Medical Ultrasound, Hemodynamics, Flow Velocity

1 | P a g e Doppler WHAT IS POWER DOPPLER? Not angle dependent perpendicular scanning is possible Display...

MEDS
MEDS12001
Afrooz
MEDS12001 Lecture Notes - Lecture 9: Visual Artifact, Mirror Image, Turbulence

ARTIFACTS Reverberation Artifacts in sonography occur as apparent Equally spaced structures that are one of the following: reflecti...

MEDS
MEDS12001
Afrooz
MEDS12001 Lecture Notes - Lecture 5: Frame Rate

WHAT IS RESOLUTION? Resolution is the act or process of distinguishing something into its constituent parts or elements Imaging has different types of resolution: 1. Detail/spatial There are 3 subtypes of spatia...

MEDS
MEDS12001
Afrooz
MEDS12001 Lecture Notes - Lecture 10: Hydrophone, Thermal Conduction, Alarp

ALARA o Cavitation effects stable or non- stable Exposure should be kept ...

MEDS
MEDS12001
Afrooz
MEDS12001 Lecture Notes - Lecture 11: Elastography, Parallel Computing, Royal Thai Air Force

ADVANCES IN TECHNOLOGY Harmonic imaging Bflow with coded excitation Panoramic imaging Spatial compounding Parallel processing Elastography Cardiac strain imaging Real time adaptive filtering Volume imaging HARMONIC IMAGING...

MEDS
MEDS12001
Afrooz
MEDS12001 Lecture Notes - Lecture 7: Volumetric Flow Rate, Turbulence, Plug Flow

The volume of blood passing a point per CIRCULATORY SYSTEM unit of time Unit: millilitres (Ml/S) Consists...

MEDS
MEDS12001
Afrooz
MEDS12001 Lecture Notes - Lecture 3: Attenuation Coefficient, Medical Ultrasound, Decibel

Attenuation Amplitude and intensity are indicators of the strength of the sound Amplitude Amplitude is the maximum variation that occurs in an acoustic variable o Measure of how fa...

MEDS
MEDS12001
Afrooz
MEDS12001 Lecture Notes - Lecture 4: Fresnel Zone, Acoustic Impedance, Lead Zirconate Titanate

WHAT IS A TRANSDUCER? a device capable of converting energy from one form to another (typically converting input energy to output energy this conversion of energy is bidirectional TRANSDUCER DE...

MEDS
MEDS12001
Afrooz
MEDS12001 Lecture Notes - Lecture 1: Medical Ultrasound, Hertz, Longwave

PHYSICS WEEK 2 PULSED ULTRASOUND In continuous wave ultrasound, the cycles repeat indefinitely. Pulsed ultrasound is used more in sonography, and most of Doppler ultrasound o An ultrasound pulse is a few cycles of ultrasou...

MEDS
MEDS12001
Afrooz

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