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The Ionising Radiation (Medical Exposure) Regulations (Northern Ireland) 2000

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Regulation 4(1)

SCHEDULE 1Employer’s Procedures

The written procedures for medical exposures shall include:—

(a)procedures to identify correctly individuals to be exposed to ionising radiation;

(b)procedures to identify individuals entitled to act as referrer or practitioner or operator;

(c)procedures to be observed in the case of medico-legal exposures;

(d)procedures for making enquiries of females of childbearing age to establish whether the individual is or may be pregnant or breastfeeding;

(e)procedures to ensure that quality assurance programmes are followed;

(f)procedures for the assessment of patient dose and administered activity;

(g)procedures for the use of diagnostic reference levels established by the employer for radiodiagnostic examinations falling within regulation 3(a),(b),(c) and (e), specifying that these are expected not to be exceeded for standard procedures when good and normal practice regarding diagnostic and technical performance is applied;

(h)procedures for determining whether the practitioner or operator is required to effect one or more of the matters set out in regulation 7(4) including criteria on how to effect those matters and in particular procedures for the use of dose constraints established by the employer for biomedical and medical research programmes falling within regulation 3(d) where no direct medical benefit for the individual is expected from the exposure;

(i)procedures for the giving of information and written instructions as referred to in regulation 7(5);

(j)procedures for the carrying out and recording of an evaluation for each medical exposure including, where appropriate, factors relevant to patient dose;

(k)procedures to ensure that the probability and magnitude of accidental or unintended doses to patients from radiological practices are reduced so far as reasonably practicable.

Regulation 2(1)

SCHEDULE 2Adequate training

Practitioners and operators shall have successfully completed training, including theoretical knowledge and practical experience, in

(1) such of the subjects detailed in section A as are relevant to their functions as practitioner or operator; and

(2) such of the subjects detailed in section B as are relevant to their specific area of practice.


Radiation production, radiation protection and statutory obligations relating to ionising radiations


Fundamental Physics of Radiation


Properties of radiation

Attenuation of ionising radiation

Scattering and absorption


Radiation hazards and dosimetry

Biological effects of radiation

Risks/benefits of radiation

Dose optimisation

Absorbed dose, dose equivalent, effective dose and their units


Special attention areas

Pregnancy and potential pregnancy

Infants and children

Medical and biomedical research

Health screening

High dose techniques


Management and Radiation Protection of the Patient


Patient selection

Justification of the individual exposure

Patient identification and consent

Use of existing appropriate radiological information

Alternative techniques

Clinical evaluation of outcome

Medico-legal issues


Radiation protection

General radiation protection

Use of radiation protection devices

  • patient

  • personal

Procedures for untoward incidents involving overexposure to ionising radiation


Statutory Requirements and Advisory Aspects


Statutory requirements and non-statutory recommendations


Local rules and procedures

Individual responsibilities relating to medical exposures

Responsibility for radiation safety

Routine inspection and testing of equipment

Notification of faults and DH hazard warnings

Clinical Audit


Diagnostic Radiology, Radiotherapy and Nuclear Medicine


Diagnostic Radiology



Fundamentals of radiological anatomy

Fundamentals of radiological techniques

Production of X-rays

Equipment selection and use

Factors affecting radiation dose


Quality assurance and quality control


Specialised techniques

Image intensification/fluoroscopy

Digital fluoroscopy

Computerised Tomography scanning

Interventional procedures

Vascular imaging


Fundamentals of Image Acquisition etc

Image quality v. radiation dose

Conventional film processing

Additional image formats, acquisition, storage and display


Contrast Media

Non-ionic and ionic

Use and preparation

Contra-indications to the use of contrast media

Use of automatic injection devices





Production of ionising radiation

Use of radiotherapy —

  • benign disease

  • malignant disease

  • external beam

  • brachytherapy


Radiobiological Aspects for Radiotherapy


Dose rate


Target volumes


Practical aspects for radiotherapy


Treatment planning


Radiation Protection Specific to Radiotherapy

Side effects — early and late


Assessment of efficacy


Nuclear Medicine



Atomic structure and radioactivity

Radioactive decay

The tracer principle

Fundamentals of diagnostic use

Fundamentals of therapeutic use

  • dose rate

  • fractionation

  • radiobiology aspects


Principles of Radiation Detection, Instrumentation and Equipment

Types of systems

Image acquisition, storage and display

Quality assurance and quality control




Working practices in the radiopharmacy

Preparation of individual doses



Radiation Protection Specific to Nuclear Medicine

Conception, pregnancy and breastfeeding

Arrangements for radioactive patients

Disposal procedures for radioactive waste

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