Salt Water Enema
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Good god! I'm not sure I'd want to suffer it even if it did. I know someone who had a colonoscopy and had one...not the most comfortable thing in the world to hold in from what I hear...
It probably stems from 2 sailors stuck in a lifeboat, wondering what to do with a length of hose.
Please publish the review here when you've tried it but remember, no photographs please. An audio recording though......... could be hilarious.
If you haven't already seen this its worth a giggle.
http://www.youtube.com/watch?v=TtIG4TuVnvg
Just found this claims salt water enema is just as dangerous as drinking it, but with fresh water will more quickly hydrate you.
http://www.caske2000.org/survival/survivesea.htm#Water
http://www.youtube.com/watch?v=TtIG4TuVnvg
Just found this claims salt water enema is just as dangerous as drinking it, but with fresh water will more quickly hydrate you.
http://www.caske2000.org/survival/survivesea.htm#Water
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See the device used by the Robertson family when their yacht was sunk. 38 days adrift and fresh if possibly polluted water used via a makeshift enema made out of the rungs of a ladder. Exhibit in the Maritime Museum, Falmouth, Cornwall.
M
mattmcdaid
Guest
It is a legit method to rehydrate yourself. I remember reading about it a few years back. Basically, if you drink sea water, the levels of salt will attack and erode your kidneys. By giving yourself an enema, the salt water bypasses your kidneys and rehydrates you internally. Good luck to anyone needing to do it though! ~)c:
??? Sea water doesn't attack your kidneys it's just that your kidneys "wash" excess salt out of the blood using more fresh water than is present (And certainly that can be absorbed) in sea water so it is counter productive, too much salt and the kidneys can't cope which means you die, if not from dehydration, most likely from a seizure as it stops nerves working.
An enema would still put the salt into the blood stream so it would not "bypass" the kidneys and would be just as dangerous. Going back to the OP's question, a "Salt Water" enema is valid in some contexts but not at sea water levels; if you are severly dehydrated then oral fluids take a long time to be absorbed, IV/IO is the best option at .9% saline (which is the same as blood). But if that is not possible then water or even better the same saline concentration in an Enema will work much faster than drinking.
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The major danger with drinking salt water is that it will actually dehydrate you faster than not drinking it.
The high salt content demands a lot of moisture to metabolse it through the digestive tract, thus actually exascerbating dehydration.
The 'SW enema' allows water to be absorbed through the colon whilst the salt can then be passed back out as it does not have to go through the digestive process.
So, the SW enema can work successfully in re-hrydrating a person, bit it can also cause other complications depending on the individual's physical condition.
Should be looked upon as an absolute 'last resort'.
Bill.
The high salt content demands a lot of moisture to metabolse it through the digestive tract, thus actually exascerbating dehydration.
The 'SW enema' allows water to be absorbed through the colon whilst the salt can then be passed back out as it does not have to go through the digestive process.
So, the SW enema can work successfully in re-hrydrating a person, bit it can also cause other complications depending on the individual's physical condition.
Should be looked upon as an absolute 'last resort'.
Bill.
I think the idea is not so much for using salt water, but being able to use any water which is so foul that drinking it would be next to impossible, as boatman describes. Not a first resort to be sure, but something to keep at the. er. bottom of the mental toolkit.
I am sorry but you don't metabolise (In fact strictly speaking you use salt to metabolise it is not metabolised) salt in solution in the digestive tract it happens in the blood via the kidneys, which does indeed have the effect of using the bodies water.
The salt concentration in the blood (0.9%) and the enema (approx 3.5%) would try to equalise so water would move from the blood into the Colon or salt would move from the colon into blood depending on the way you look at it. Either way you make matters worse. Your colon has no mechanism for removing the salt from suspension and to pass it out leaving the water.
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If I remember rightly, I think I saw "Bear" doing "it" to himself whilst on a raft !!!!!! I'm no expert but I would assume that any intake of saltwater would be harmful !!! No matter which end you drink it from 
