Why is someone more likely to bleed to death when an artery is cleanly severed rather than crushed or torn?
968702
A cleanly severed vessel is less likely to clot, therefore less likely to stop the blood flow. A crushed or mangled vessel has more places for the clot to form, so it could potentially stop the bleeding. Think of it like a garden hose - a nice clean cut gets a lot of water thrugh it. A mangled end still lets water out, but it impedes the flow. The slower the flow, the better chance of clotting (plus a slower flow means less blood loss).
336142
Dont take the item out of the body, it will cause internal bleeding and possibly cause more damage than needed..
824219
Arteries are major vessels that carry blood away from the heart.  Veins are major vessels that carry blood toward the heart.   Blood pressure is less when carried toward the heart, therefore your answer is artery=larger.  The more pressure needed , a larger part it will be  Veins are thinner and less resistant to blood flow...
1027271
internal illiac artery bleed can occur in pelvic fractures and that can lead to rapid death if not controlled, pelvic fractures cannot lead to cardiac ruptures but rib fraactures can lead to cardiac ruptures and tamponade .....does that answer ur question
156696
A procedure that introduces a catheter into the arteries of your heart carries a risk of death.\nIt is rare but it does happen. I had a patient go into cardiac arrest during a cardiac cath. He was resusitated.\nPrior to any procedure the surgeon will run through any risks the procedure might carry.
449158
Etiology(cause) of atherosclerosis is theorized to be damage to the blood vessel inner layer which is called endothelium.  This can happen in "normal" person (those with no obvious disease/health problems) - though hypertension can contribute to increased likelihood of damage.  On top of this the blood contains much fatty stuff (cholesterol etc) which gets deposited on the injury site.  So there's no agent that spreads from a diseased person to another, blood transfusion might be an artificial way to contract the "risk factors" but this is insignificant and wouldn't make it contagious
185151
The most blood loss I ever saw not resulting in death was a man shot (by a machine gun) while investigating gun running to Cuba (a long time ago, don't look for recent incidents).\n\nDuring the first few hours he received 55 pints while the doctors labored to patch him up and stem the bleeding.\n\nThis man survived because he was not too old and he was in very good health, but was in a very long coma with a very long, expensive recovery period.\n\nOnce a person is in shock the survival clock begins ticking and the body takes action to preserve blood volume for essential organs.  Tissues less vital will start dying, also vital organs may not receive enough oxygen if the blood loss is severe enough.  If a vital artery like the carotid is severed, the brain can die, even though patients with other injuries and greater blood loss have survived.\n\nPrompt medical care is essential, the doctors take action to restore the blood volume fast.  Important preliminary to surgery to repair leaks.\n\nSometimes blood loss is so severe, even though internal, that death comes quickly before help is possible.  An example of this is a burst aortic aneurysm.\n\nBlood pocketing around the heart can cause 'cardiac tamponade' interfering with the operation of the heart because it cannot fill properly before contracting.\n\nThe point I am making is that it depends on lots of factors.  A little blood loss will cause death in the right conditions, and a big blood loss can be survivable in many instances.\n\nSo it is a thinking situation rather than some iron clad rule applying to the amount.\n\nIf a person is bleeding internally, many ordinary people do not consider that a blood loss, but it is considered so by medical people.\n\nIn the case of a brain aneurysm that bursts, a very small amount of blood lost to bleeding internally within the brain can still produce death.
1136443
No.  When your arm falls asleap, it is not due to blood loss to your arm, that is idiotic.  All joints have what are called an astimosis, which is where multiple arteries take up the slack for an artery that is cut off due to a strange position.  Any anatomy book will show you there are several arteries that surround the shoulder and elbow to do this.  The sensation of your arm falling asleap is due to impingement of nerves, not arteries.  Nerves carry signals from your arm to your brain, and if you are lying such that a nerve is pushed on by a bone or muscle, the nerve often stops sending signals to the brain, and the lack of signal is translated into a numb feeling, much like the feeling you get at the dentist's office when he numbs you up by injecting a chemical that stops nerve impulses.  The dentist does not inject you with something that blocks the arteries.  The tissues in your arm would die if they went more than a few minutes without blood.
871009
The risks involved are a bit greater in stenting an existing graft but nothing too high to be concerned about. Not enough studies have been done to show the increases risks.\n\n60% Occluded is minimal and stenting that should not be a concern. It has been caught early enough which lowers the risks involved.\n\nIn the hospital 1 day out the next. Any other questions you can shoot me an email
503460
It's more complicated than that.  The bullet didn't wound a vein, it wounded the femoral artery (One of the biggest ones in the body).  The problem with carterizing it in the field is one you can't easily carterize an artery because of the high pressure that pushes against the walls of the artery (It would essentially rip it back open almost immediately).  Also, in the field they don't even have anything that would be easily used as a cartery device (an effective one anyway...on tv where they put a hot poker on a wound wouldn't actually sufice in real life for much over a small skin wound).  Hope this helps.
1139211
Unfortuately, we can't chose the way we're going to die.  Naturally, a slow death, caused by a cancer of some sort, is a horrible thing to go though, for the person with the cancer and their family.  Then again, a very quick death, caused by heart attack, stroke, etc. is much easier for the person who's dead, but still a shock to the family.  Either way....that's a very hard question to answer.  In my opinion, dying quickly is the lesser of two evils.
803853
The dangers of not doing the surgery is infection, amputation, gangrene, and the infection can spread.  She can ask to try angioplasty to open up the artery first if that would ease her some,  it is much less invasive than the fem. bypass.  But the doctor would have to take into consideration, length, severity, and which arteries are blocked.  I've seen many people go through each of the procedures well.  Just make sure the doctor has done the procedure before.  Hope this helps a little.
1055375
using force can cause a blood vessel to rupture. this ruptured vessel could become infected and turn into a painful hemmorrhoid.
567652
yes it is highly probable...  people who have strokes and heart attacks have them for a reason.  their bodies have undergone physical changes in order to function at a normal level under stress.  at a certain point, this stress becomes too great and arteries or heart valves reach a breaking point.  once someone experiences a cardiovascular incident, the likelihood of future incidents multiplies.  of course there are exceptions to any rule.
82764
I would say both... An Aneurysm is the dilitation of the wall of an artery, vein or heart. When aneurysms grow too large, they can rupture and the bleeding can be life threatening. The Aorta is the large artery leaving the heart. All blood pumped out of the left ventricle travels through the aorta on its way to other parts of the body.
198898
Blood letting, hemorrhaging or exsanguination.
1181154
Cutting helps people deal with emotional pain.  When it is easier to deal with physical pain than emotional pain people cut.  It gives them a release they can't find anywhere else.  However it is not a healthy way to go about it at all!  There are many risks involved in cutting.  You could get an infection or accidentally hit an artery.  Either one could end up in death.  Just be careful and find someone to talk with that understands.  Like a friend, doctor, pastor, counselor.  Depending on your age you could even talk to a counselor at school.  I really do wish you luck and happiness.  I hope whatever is hurting you so much is resolved.  If you have the strength to cut you have the strength to talk to someone, you just need to realize it!