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Entries in Radiation Illness (1)

Sunday
Jan222012

Radiation Illness Revision Notes

Radiation Injuries

Exposure to radiation may lead to

  • Local tissue injury
  • Acute radiation syndrome

Pathophysiology

4 types of ionising radiation

  • alpha particles
  • beta particles
  • gamma & x-rays
  • neutrons

Each type has different physical properties and cause a variable degree of tissue damage. 

Types of exposure

External irradiation

  • whole body irradiation, but nothing contaminates the body or clothing
  • patient is not radioactive and no risk to others

Contamination

  • radioactivity contaminates the patient
  • externally on clothing and skin
  • internal - inhaled, ingested
  • continual irradiation whilst contaminated
  • of risk to others especially if external contamination

Incorporation

  • of radioactive atoms into the patient’s tissues e.g iodine in thyroid tissue, phosphorus to bone

Click to read more ...