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Medical physics

One of five optional topics. Applies waves, optics and nuclear physics to diagnosis and treatment.

Topics in this section19
Published0 of 19
01

Physics of vision

The eye as a refracting system, sensitivity and resolution

Coming soon
02

Defects of vision and their correction

Myopia, hypermetropia, astigmatism and lens powers

Coming soon
03

The ear as a sound detection system

Simple structure and transmission

Coming soon
04

Sensitivity and frequency response of the ear

Equal loudness curves and the decibel scale

Coming soon
05

Defects of hearing

Hearing loss from noise exposure and age

Coming soon
06

ECG machines and the ECG waveform

Obtaining and interpreting the trace

Coming soon
07

Ultrasound imaging

Acoustic impedance, attenuation, A-scans and B-scans

Coming soon
08

Fibre optics and endoscopy

Coherent and non-coherent bundles

Coming soon
09

The MR scanner

Precessing protons, gradient coils and RF pulses

Coming soon
10

The physics of diagnostic X-rays

Production, spectra and the rotating-anode tube

Coming soon
11

X-ray image detection and enhancement

Flat panel detectors and contrast media

Coming soon
12

Absorption of X-rays

Exponential attenuation and half-value thickness

Coming soon
13

The CT scanner

Principles, resolution, cost and safety

Coming soon
14

Radionuclide imaging

Tracers, the technetium generator and PET

Coming soon
15

Physical, biological and effective half-life

The combined half-life relation

Coming soon
16

The gamma camera

The photomultiplier tube and image formation

Coming soon
17

Use of high-energy X-rays in therapy

Limiting exposure to healthy tissue

Coming soon
18

Use of radioactive implants

Internal treatment with beta emitters

Coming soon
19

Comparing imaging techniques

Resolution, convenience and safety

Coming soon

All of this is free

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