(one) toxic reason
Shellfish weighs mollusc again, toxic Yi Ke calls marine mollusc shellfish is toxic. Cause toxic marine mollusc to snail of Japanese east wind, mud snail, mussel, California mussel, long oyster waits. The drug of shellfish and " bare is wet " about. "Bare is wet " the erythema that become angry appears in seawater namely, companion has the death of marine animal, it is certain one-celled small alga breeds quickly in seawater, a large number of building up and become. Shellfish is photographed after feeding noxious algae, rich accumulate and toxin of save up alga, after people edible contains the shellfish of toxin, can cause toxic.
Ostracean
(2) toxic symptom
Poisonous shellfish is toxic what have toxin because of containing is different, toxic expression also each different, basically have the following kinds of kinds:
1
Paralytic model: By toxin of stone room clam and its ramification be caused by. Preclinical it is 0.5 ～ 3 hours commonly, inchoate coma of lip, tongue, finger feels, then limb extreme and cervical and paralytic, till move,paralytic, walking staggers. Serious person but because breathe flesh paralytic and die.
2
Diarrhoea: By land for growing field crops soft sponge acid reachs his to derive the be caused by that change thing. Main symptom is diarrhoea and vomiting, the illness is light.
3
Memory loses model: Cause by cartilage alga acid and its isomer. Preclinical 3 ～ 6 hours, main show is bellyacke, diarrhoea, vomiting, salivate, at the same time occurrence memory is lost, recognizant obstacle cannot identify family or relatives and friends. The memory after partial patient is toxic is lost can be as long as 1 year many.
4
Nerve toxin: By short naked Jia Zao toxin is caused. Main watch is existing lip, tongue, laryngeal reach facial have coma and thorn keenly feel, muscle is aching, dizziness.
5
Liver: By be caused by of clam young toxin. Preclinical be in commonly 24 ～ 48 hours, earlier stomach ministry is unwell, disgusting, vomiting, bellyacke, listless, still can have haemorrhage spot, millet bead size, red or wine, see more at shoulder blade ministry, the upper arm, limb. The person that weigh can appear haematemesis, icteric, liver function is unusual, produce acute liver atrophy even, prognostic and undesirable, have dead happening more.
6
Solar sex dermatitis: The likelihood is opposite mediumly by slimy snail be caused by of glossy allergic material. Preclinical it is 3 days commonly, earlier and facial with the exposure of limb the skin appears red, have the feeling such as glowing, aching, scratchy, bloated coma, later period can appear Yu blood spot, blister or hematic blister, broken infection is caused after;burst;ulcerate;festering.
Scallop
(3) emergency treatment processing
Be opposite at present shellfish is toxic still do not have alexipharmic content, adopt the measure that discharge poison to reach pair of disease cure and supportive cure only.
(4) precautionary measures
Be in " bare is wet " when coming, release food safety early-warning, remind masses careful feed shellfish. When edible shellfish, should purify is splanchnic.
