Emergency Medicine

To stop blood flow where blood is being drawed

I presume you are latex allergic, since you asked this question. There are tourniquets that contain latex and those that are latex free. It depends on what your institution purchases. You should be able to ask the person applying the tourniquet whether it is latex free and if not, request a latex free tourniquet be used on you.

crouding around can make it uncomfterble for the patent, hard for the medics to do there job and someone might step on or fall on the patent.

Severe bleeding is life threatening. So, using a tourniquet to stop such bleeding may be necessary until professional help arrives.

A tourniquet is very much a double edged sword. They can save a life and they can cause death.

Today, the recommended way to stop bleeding, severe or otherwise, is with direct pressure on the wound. This allows blood circulation to other areas near to and downstream from the wound.

The problem with a tourniquet is that it can cut off all circulation from the point of application to the end of the limb. Extended loss of circulation can cause infection, such as gangrene, and blood clots, which can result in stroke, heart attack, or lung clot. All these things can be fatal or severely disabling.

A tourniquet should be used only if direct pressure cannot sufficiently control the bleeding. It should be applied and released using a regular rhythm of about 1 minute on, then 1 minute off. And, it should be used with direct pressure. Most first responders avoid using them altogether.

By puncture site I'm guessing you mean a puncture in the epadurmas (skin). It is Placed to limit the blood flow reducing the amount of blood loss. Hope I helped

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what is the maximum amount of time a tourniquet should left on

Venous blood sampling is usually performed using a tourniquet to help locate and define peripheral veins to achieve successful and safe venipuncture. Despite widespread usage of tourniquets for venipuncture by medical and laboratory staff, very few are aware of the effects of tourniquet application on laboratory parameters. In addition, definitive guidelines regarding when and how to use a tourniquet for blood sampling are lacking.

It can cause the blood to pool and negatively affect any results including:

cholesterol levels

glucose

liver

hemogolbin

to name a few

Also it can be affected by posture i.e. if sitting for 30 minutes before or lying down.

Tourniquets are dangerous when used improperly, such as having them applied too long, as they restrict blood flow to the extremity or limb, therefore resulting in failure of that limb or extremity.

It is placed 2 to 4 inches above the wound.

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They wear gloves to keep the area sterile. This means free from germs. First they scrub up, all the way to the forearm. This ensures no germs will be there in the operation.

When they opertate they want to make sure nothing gets into the wound or whatever they might be working on. If it does, th person could get sick, get septic, or worse. That is why they wear gloves. Its basically the same with masks too.

What is the reason you ask? For allergic reactions, I seriously doubt it- it can have serious effects on the body and isn't easily attainable because of them. You can't keep it on hand "just in case" in a first aid kit unless you've had someone who has previously had a reaction and had it prescribed for them. But there are forms of epinephrine in some nasal sprays for opening up the vessels in the nasal cavities.

Emergency care is what a person in distress needs. Some needs of a person in distress may be first aid, CPR, ACLS, and others.

No more than three times.

The reason to use a tourniquet is to stop blood from going out of the body, or to stop contaminated blood from reaching the general circulation (other parts of the body).

You might apply a tourniquet "above" where a person has been bitten by a snake or spider to stop the venom from spreading to other areas of the body. For example, if the bite is on a hand, you would apply the tourniquet on the arm...where biceps/triceps are...or forearm if you are really quick in banding the tourniquet.

The most common reason to use a tourniquet is to stop the flow of blood from a severed artery. For example, if you are first on the scene of an accident and you see a person on the ground with blood spurting out of an ankle, you would immediately apply a tourniquet to the lower leg ...you can use a belt. Here is where is gets dangerous. If you do not apply pressure, the person will most likely "bleed out" or go into shock from blood loss, etc...so, by applying a tourniquet, you may save the person's life; you can let up on the pressure for a few seconds to allow blood to flow to the foot/lower leg....BUT, in a severe gash in a leg...severed femoral artery (huge pipe)...the person will die if you do not apply a very tight and permanent tourniquet. The larger the diameter of the artery that is sliced, the faster the patient will go into shock and bleed out. In this case, unless the person gets to a cardiovascular surgeon immediately, the leg will most likely have to be amputated. This typepf pressure cuts off all the blood to every part of the body that is "south of" or distal to the tourniquet. Continuous pressure is necessary..and hopefully you will have your cell phone and a free hand to dial 911. The order of events is always dial 911 FIRST...but if you know what you're doing, you can formulate a plan to stop the bleeding WHILE you call 911... Hopefully Good Samaritan Laws will apply if you are ever put to the test!

If you are interested in helping in emergencies, I hope you will go to your local fire department and sign up to take the CERT training..(Certified Emergency Response Team).

You will learn a lot of first aid, CPR and how to interact with the public in a crisis.

to obtain blood from the vein for diferrent purposes.

no longer than a minute and a half to two minutes once you get the needle into the vein you should tell the person to relax the fist first then remove the tourniquet if left on too long you can obliterate the blood supply and cause tissue damage

Any device that causes any part of your body to be impacted by a comparatively high velocity slug or anything like it can damage the body. In the case of the hand, you are looking at bruising, breaking the bones of the hand, possible penetration and resultant damage to internal processes including blood vessels, as well as other damage. Depending on the CO2 gun, projectile velocity can be as high as a handgun's and the dangers can be the same. Gas powered weapons have been used to kill people before, and thus warrant the same cautions firearms call for. While most CO2 weapons lack the abilty to fire a high-speed, high-intertia slug, and thus will usually result in superficial damage, even the low-powered weapons can do damage. Finally, much history on the subect of projectile weapons of all kinds yields the human race this important wisdom: Do Not Get Shot By Anything if you can possibly avoid it.

Only qualified medical personnel should loosen a tourniquet once it has been applied. The reason for this is because the cells of the body part that has been cut off from blood flow continue to perform metabolism to live, but use anaerobic metabolism, which produces toxic byproducts. If these byproducts accumulate and are released back into the body, they can cause heart arrhythmias. This is why tourniquets are used as a last resort, and it is why they should never be removed once applied, except by someone who has been trained to do so.

For rescue breaths to be effective, it is paramount that the airway is clear. In rare cases where the patient vomits, simply tilt them on their side and sweep a gloved finger in the mouth to clear the vomit.

It is important to remember that you should never put yourself at risk during a first aid emergency situation. If you feel uncomfortable about doing mouth to mouth with a vomit-covered mouth, you have the right to not do so. Once again, this comes to remembering to use a face shield when doing CPR and making sure the airway is clear before commencing.

There is a difference between having vomit in your mouth and literally vomiting it out. If the patient literally vomits it out, then CPR will not be needed as it shows that their signs of life are present.

Other causes of vomit include alcohol overdose and poisoning.

The average salary for emergency medicine doctors varies significantly according to seniority, country, skill, experience and qualification.

Based on United States figures, the median pay for an emergency medicine doctor is US$245, 842 per annum. However, the salary may range from US$180,000 through to US$550,000. A small percentage of highly qualified and experienced emergency medicine doctors have a seven figure salary.

In New Zealand, the median pay for an emergency medicine doctor is NZ$ 240,000 less than the United States median figure.