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Radiation exposure

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Version Jan 2023

The single lifetime human dose should be 500 mSv (0.71 uSv/hour) to the maximum of 4000 mSv (5.7 uSv/hour).

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Ionising radiation includes the short wavelengths from the electromagnetic spectrum - the gamma, x-rays, cosmic rays
Dividing cells are most sensitive and most tend to die in mitosis is true but lymphocytes and oocytes tend to die in interphase
Radiation exposure to the eye causes cataract
Stable potassium iodide may be given to exposed individuals to prevent uptake and thyroid binding of radioactive iodine which could cause future risk of thyroid cancer
Pancytopenia should be managed as with a leukaemic patient - true with reverse isolation, antibiotics, granulocyte and platelet transfusions and colony-stimulating factors. Bone marrow transplantation in some.

Health Exposure

Dose	Exposure
0.09 uSv	Living within 50 miles of a nuclear reactor for 1 year
0.1 uSv	Eating one banana
1 uSv	Using cathode ray tube monitor 1 year
5 uSv	Dental X Ray
10 uSv	Background dose one day
40 uSv	fly LA to NYC
0.1 mSv	Chest X-ray
7 mSv	Chest CT scan
10 mSv	Whole body CT scan
12 mSv	Coronary CT Angiography
20 mSv	Whole body CT Abdomen and Pelvis with and without contrast
25 mSv	PET/CT
50 mSv	Radiation worker dose one year
0.25 Sv	Chernobyl emergency workers
0.5 Sv	Hiroshima survivor
8 Sv	Lethal dose even with treatment. Vomiting, Mod Headache, High Fever, Cognitive Impairment 20hr - 50-100% death in 7days (10-60min onset for <48hr)
8 to 30 Sv	Severe Vomiting, Severe Headache, Severe Fever, Incapacitated - 100% death rate (>10 min onset for <48hr)

Revisions

Last updated 02/08/2018

PLEASE NOTE LEGAL ADVICE: The contents are under continuing development and improvements and may contain errors of omission or fact. The official launch will be at the end of 2018. Feedback vital and always welcome at drokane at gmail.com. This is not to be used for the assessment, diagnosis or management of patients. It should not be regarded as medical advice. It is only for educational purposes. Please adhere to your local protocols. If you are unwell please seek healthcare advice from your doctor. This does not replace senior or specialist advice. If you do not accept this then please do not use the website. If you need medical advice, please consult a doctor or other appropriate medical professional. If you are a medical professional and you need advice then speak to your senior or colleagues.

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