Radioactivity
Figure 1.6, is unstable and decays by rearranging its nucleon numbers. This is achieved by releasing particles, changing a proton to a neutron or vice versa, or by absorbing nearby…
Atoms, nuclei and radioactivity
Introduction Atomic structure Electromagnetic force Electromagnetic waves and wave-particle duality Electron shells and binding energy Characteristic radiation Related posts: requirements imaging Radiotherapy beam production photon therapy trends Dentition
Difficult Cases
1. What are the MRI findings? 2. How many pulleys are in each finger? 3. Which pulley is most commonly injured? 4. Which pulley is most often affected in a…
Difficult Cases
1. What names have been given to this entity? 2. What is the significance of the type of fracture depicted in this child’s distal tibia? 3. What radiographic findings are…
Doppler Principles and Displays
To describe the Doppler effect and its application to the measurement of flow velocity. To understand the differences between continuous-wave and pulsed-wave Doppler and the clinical rationale…
Basic Scanning Techniques and Ergonomics
To demonstrate the optimum position for patient, examiner, and equipment to avoid work-related injury. To introduce the most common, universally applied transducer manipulation techniques employed during scanning….
Clinical Safety
To state common intensity descriptors. To identify the three interactions by which ultrasound may cause damage. To understand the indication of risk quantified by the thermal…
Doppler Evaluation of Blood Flow
To recognize abnormal patterns in spectral Doppler waveforms associated with various disease states. To learn potential techniques for the elimination of aliasing. KEY TERMS Flow disturbance…
Normal Blood Flow in Arteries and Veins
To understand the principles that govern blood flow in the arterial and venous systems. To recognize high-resistance and low-resistance flow patterns. To understand the significance of…
