Criteria for a Positive Tetanus Diagnosis

Written by Liu Huan Huan

General Surgery

Updated on December 25, 2024

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After a person is injured, if the wound reaches deeper parts such as the subcutaneous fat layer or even the muscle layer, it is essential to administer tetanus antitoxin to prevent infection from tetanus bacillus. Before injecting the tetanus antitoxin, a skin test must be conducted to prevent allergies and anaphylactic shock. Generally, after injecting the test agent, observations are made for 30 minutes. If there is an enlargement of the wheal, redness and swelling that infiltrates surrounding areas, and the patient feels itching, it indicates a positive result.

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Written by Tang Da Wei

General Surgery

41sec

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Is it necessary to get a tetanus shot?

Getting a tetanus shot is very necessary if a patient has had an injury or has wounds on the body. Without a tetanus shot, there might be a risk of tetanus infection. The main reason is due to the presence of tetanus bacillus spores in the natural environment, which could colonize within the wound if it's exposed. This can potentially lead to a tetanus infection. Severe cases can present with symptoms such as opisthotonos, breathing difficulties, suffocation, and could even lead to death. The tetanus shot involves injecting tetanus antitoxin into the patient's body, which is a form of passive immunity and can prevent some symptoms of tetanus infection.

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Written by Xu Jun Hui

General Surgery

43sec

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Can I take a bath after getting a tetanus shot?

It's not recommended to take a bath immediately after receiving a tetanus shot. First, the wound requiring a tetanus shot may either be deep, heavily contaminated, or relatively large. After receiving a tetanus shot in the buttocks or the deltoid muscle of the upper arm, it is essential to enhance wound dressing changes and keep the wound dry, which is why bathing is not advised. If it's just a simple tetanus injection site, it can generally be exposed to water a few hours later. However, other wounds on the body should be kept dry. Therefore, it is better to take a bath when wounds on other parts of the body have healed well to avoid worsening infections and delaying healing.

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Written by Xu Jun Hui

General Surgery

53sec

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What is the function of a tetanus shot?

The function of the tetanus shot is to activate the body's immune system to produce antibodies that can specifically bind to the tetanus toxin, preventing the toxin from binding with nerve cells and causing a toxic reaction that could lead to respiratory arrest, asphyxiation, and endanger life safety. Tetanus infection occurs when the Clostridium tetani bacteria enter the body through mucous membranes following an injury, producing toxins that affect certain muscle groups, such as the jaw and respiratory muscles, thus threatening life safety. Therefore, the role of the tetanus shot is to produce antibodies that bind to the tetanus toxin, preventing it from producing a toxic reaction with nerve cells. Thus, if some wounds are deep and heavily contaminated, it is essential to undergo anti-tetanus treatment.

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Written by Li Jin Quan

General Surgery

35sec

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Tetanus nursing measures

Tetanus Patient Care: First, isolate the patient and maintain a quiet environment to minimize disturbances. Second, communicate carefully with the patient to alleviate their anxiety and boost their confidence in overcoming the illness. Third, install bed rails on both sides of the bed to prevent the patient from falling out. Additionally, use a mouth guard to prevent tongue injuries during spasms. Fourth, pay attention to the care of the patient's oral cavity and skin to prevent the development of oral ulcers, skin breakdown, or pressure sores.

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Written by Xu Jun Hui

General Surgery

39sec

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How to administer an injection if the tetanus skin test is negative

A negative tetanus skin test indicates that there is no allergy to tetanus antitoxin, and 1500 to 3000 units of tetanus antitoxin can be directly administered via intramuscular injection in the upper arm or buttock. If the wound is heavily contaminated or the injection is not timely, the dose may be doubled or tripled at discretion, and it is also necessary to clean and dress the wound. The purpose of administering tetanus antitoxin via intramuscular injection is to prevent infection by Clostridium tetani. Therefore, patients with heavily contaminated or deep wounds must receive tetanus antitoxin treatment.