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The CT scans is carried out by the use of x- rays. In addition to that contrast agents are also used. The role contrast agent is very vital in the field of CT scanning and many other imaging techniques. It is basically the most important agent to be administered into the patient's body to carry on the procedure of scanning, because without using it the different body tissues cannot be distinguished from one another. That will not lead to successful completion of the CT scan and will not show the actual reports. Though there are some Side effects of CT Contrast, but still is a vital thing required.

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A contrast agent is also referred to as dyes. It is basically a fluid kind of material that is used to highlight the specific tissues. The things that are normally used as contrasts are iodine, barium, barium sulphate and gastrografin. It is easily available in the pharmaceutical stores, but only when prescribed by the doctor or the radiologists. There are various ways through which the contrast agents is pushed or administered into the body of the patient.

It can be done through intravenous injection, given orally or rectally or by inhalation in the form of vapours. It has the power to weaken the x-rays. The body of the patient is moved along with the scanner through a sphere. As the body moves the x-ray beam is passed through the patient's body, the x-rays get weakened by the effects of the contrast agents, which in turn highlight the contrast containing organ making it look different from the other tissues. When the images are developed these areas appear to be white.

Although the process of CT scan is considered to be harmless, but the Side effects of CT Contrast should also be mentioned. It does not cause any serious to the patient. Some of the problems with it are that, the patient have allergy from the chemical used. The patients suffering from diabetes are not suitable to have the contrast agents. For such adverse conditions different steps are taken.Normally the effects seen are not so dangerous. It's like fatigue, vomiting, constipation, when the contrast is injected rectally headache, nausea, dizziness, and sometimes the breathing problems is seen.

A surgeon without an instrument is impossible to effectively carry out a surgical operation. Surgical instruments are tools designed to help the surgeons successfully conduct a surgery. Surgery is a crucial operative medical procedure that involves opening of the body in order to modify or remove body tissues. The equipments being used by medical doctors during surgical operation come in variety types. They are usually categorized according to their purpose. Aside from that, these surgical tools can be classified also according materials used for their construction.

The scalpel intended for making incision, the retractors used to keep the incision open, the forceps meant for picking or holding tissues, and the scissors designed for cutting body tissues are just some of the most popular surgical instruments for surgery. These medical instruments are usually made of hardened and tampered steel. And considering their composition, they are categorized as re-usable surgical tools. Aside from reusable equipments for surgery, there are also wide array of surgical tools that are meant to be disposed after use. Disposable surgical instruments are already sterilized the moment they are purchased in home and hospital medical equipment stores. Disposable tools for surgical operation are usually made from rubber and plastic materials. Protective surgical gloves, twin bone nasal catheter, nasal oxygen catheter, oxygen mask, suction catheter, and trachea's tony tubes are just examples of disposable surgical instruments.

When it comes to proper care and maintenance of reusable surgical tools, it is necessary to sterilize and disinfect them before and after use. Sterilization and disinfection of steel-hardened surgical instruments like scalpel, forceps, retractors, and scissors are very important since these medical tools will be used operating vital body organs. Hospital medical equipments that are properly sterilized and disinfected prevents the inactivation of disinfectants thus, patients will not be at risk of infections. Moreover, proper care and maintenance of reusable instruments for surgery also help extend their service life span so it reduces extra costs for repairs and replacements. And with regard to disposable instruments for surgery, there is one thing to u phổi tỉ lệ tử vong cao keep in mind when throwing them. Make sure that these non-reusable surgical instruments are properly disposed because failure to do so will only allow microorganisms to spread out.