1 Why can jellyfish hurt people?
Jellyfish is a kind of jellyfish. There are many tentacles under the jellyfish umbrella, and there are dense nematocysts on the tentacles, which contain venom. When the jellyfish tentacles come into contact with human skin, they can penetrate the skin and release venom, causing poisoning or even death.
The fatal mechanism of jellyfish is mainly anaphylactic shock caused by toxins, which depends on the individual's constitution; secondly, the direct toxicity of toxins, such as the box jellyfish in Australian waters, which is highly toxic and can kill people within minutes. die.
2 Clinical manifestations of jellyfish injury
Local symptoms: Local electric shock-like stinging, numbness, itching and burning sensation after the sting, and the skin is red, brown or purple. Linear nail spots, papules, wheals, blisters, and ecchymoses appear after 4 to 6 hours.
Systemic symptoms: muscle pain throughout the body, nausea and vomiting, headache, dizziness, fatigue, palpitation, shortness of breath, low-grade fever, thirst, cold sweats, joint pain, etc.
Critical symptoms: urticaria symptoms that can spread rapidly, difficulty breathing, irritability, drop in blood pressure, hemoptysis and sputum, etc. If rescue is not carried out in time, people may die from pulmonary edema and anaphylactic shock.
3. How to deal with jellyfish bites and leave quickly
Jellyfish often swarm together. Once you are stung by one, you are likely to be attacked by other jellyfish, so stay calm and Quickly leave the area where jellyfish are present.
Remove tentacles
To reduce damage to the skin, remove jellyfish tentacles adhering to the skin immediately after landing.
Use tweezers or wooden sticks, or wear gloves for protection, then remove the tentacles, and use a razor or bank card to remove the nematocysts. Do not touch the tentacles or the stung area directly with your hands to prevent Injuried.
Inhibit the release of toxins
Soak or rinse the stung area with seawater or vinegar for 15-30 minutes to inhibit the release of toxins. Shaving cream or baking soda can be applied to the affected area to prevent inactive nematocysts from releasing toxins.
Remember before removing the jellyfish tentacles, do not rinse with fresh water or alkaline liquid, do not apply hot or cold compresses, do not rub and massage, do not wipe with a towel, and avoid contact with sand at the sting area, because these measures may Stimulates accelerated release of toxins.
Reduce skin symptoms
When the sting causes redness, swelling, burning, itching and other symptoms on the skin, you can use hot water (the temperature can be tolerated without scalding, it is recommended not to exceed 45 Degree) soak for 20 minutes, take oral painkillers or anti-allergic drugs, and apply anti-allergic ointment to the affected skin. Please proceed under the guidance of a doctor.
Stings on other parts of the body
Eye stings can be flushed with artificial tears, and a towel soaked in acetic acid can be used to wipe the skin around the eyes. Do not let acetic acid enter the eyes. If you are stung in the mouth, you can rinse your mouth with diluted acetic acid and spit it out.
Seek medical attention promptly
After simple treatment after being stung by a jellyfish, especially for patients with severe symptoms, the affected area needs to be bandaged to prevent wound infection, and then you must seek medical treatment in time.
4 Tips
When playing at the beach in the summer. Pay attention to prevent jellyfish stings. Fishermen who swim or work in the sea must take protective measures. If jellyfish are found, they must not touch or catch them. Avoid contact with jellyfish to prevent accidents.
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