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FAQ's

How long does the VIVIT dissection last?

The post mortem experience is 5 hours long, split into 2 parts.

How many people can participate in one VIVIT dissection?

There is 150 tickets available for each session. This is a comfortable number that can engage with the experience given the AV equipment installed.

Is the anatomy human?

No. The anatomy is of swine origin. Identical in size and structure -once harvested the samples are moved into VIVIT. VIVIT is a life size synthetic cadaver which is dissected for the audience to teach the structure and function of the human body.

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Nerve agents


Due to the recent Skripal attack, I thought we could look at nerve agents and how they function within the body and cause devastating effects.

It seems that the agent used in this recent attack was Novichok, which is part of the organophosphate family of nerve agents.


Firstly, it is key to understand how a signal is communicated from one nerve to another. For a signal to be passed between cells in the nervous system acetylcholine is released from the pre-synaptic cell and enters the space (synapse) between cells. The acetylcholine can then either re-enter the presynaptic cell, bind to a receptor on the post synaptic cleft or be broken down by an enzyme called acetylcholinesterase. The reabsorption and the breaking down of acetylcholine regulates the amount within the synapse to stop a prolonged signal into the post synaptic nerve cell.

Organophosphates can be absorbed into the body a number of ways, through inhalation, digestion or the dermal route (through skin). Once present within the synapse they inhibit the acetylcholinesterase enzyme by binding to it, irreversibly at times. Therefore, the amount of acetylcholine within the synapse is no longer regulated which leads to accumulation and over stimulation of muscles.

This type of poisoning results in severe short term clinical features that can prove fatal but can also have long term effects. Organophosphates are actually used as means of suicide in people in agricultural areas of the world as it is more readily available.

Within the body there are two types of acetylcholine receptors, nicotinic and muscarinic. Nicotinic acetylcholine receptors are found in the central nervous system and therefore when the acetylcholinesterase in blocked the increased acetylcholine causes anxiety, headaches, convulsions, ataxia, tremor and depression of the cardiorespiratory system. When the enzyme is blocked in the muscarinic synapses this results in visual disturbances with pin point pupils, chest tightness, wheeze as a result of bronchoconstriction, urination, increased pulmonary secretions and excessive salvation.

As soon as a nerve agent is suspected a high level of vigilance is needed in order to protect others from harm. Full personal protective equipment is needed, patients need to have their clothes removed and placed in a bag as evidence and washed down usually outside using a clean line in order to keep contaminated individuals away from those that have not come into contact with the substance until they have been washed down. Oxime agents can be used as an antidote to remove the chemical from the acetylcholinesterase enzyme, however this needs to be administered within a certain time from for it to be effective. This time frame varies based on the organophosphate compound, as when it attached to the enzyme it goes through an aging process where a part of the molecule is removed. Oxime will not be effective on “aged” organophosphate. Atropine is another drug that can help due to its anticholinergic effects, this should be repeatedly administered until symptoms of the nerve agent have been reduced.

Having an awareness of the symptoms of nerve agents can help in identification of such occurrences and therefore help to put protective measures in place early to protect others from coming into contact as well as helping the patient (more commonly patients) in early administration of antidote.


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