Eat watermelon toxic symptom?
summary
Usually, watermelon with hormone and pesticide (residue) is easy to be poisoned. Experts say that the reason why people get poisoned after eating watermelon is that it contains organophosphorus. Organophosphorus pesticide is the most widely used pesticide in China. It mainly includes dichlorvos, dimethoate, trichlorfon, etc. When organophosphorus pesticides enter human body in a large amount in a short time, they will cause a series of injuries mainly caused by nervous system damage. Eat watermelon toxic symptom? Let's talk about it
Eat watermelon toxic symptom?
Muscarinic symptoms are mainly spasm of smooth muscle and increase of gland secretion caused by excitation of parasympathetic nerve endings. The clinical manifestations were nausea, vomiting, abdominal pain, sweating, tears, runny nose, salivation, diarrhea, frequent urination, incontinence, bradycardia and pupil narrowing, bronchospasm and increased secretion, cough and shortness of breath. Severe patients had pulmonary edema.
Nicotinic symptoms of acetylcholine in the striated muscle neuromuscular junction excessive accumulation and stimulation, so that the face, eyelids, tongue, limbs and body striated muscle fibrillation, and even systemic muscle tonic spasm. Patients often have a sense of tension and compression, and then muscle weakness and paralysis. Severe cases may have respiratory muscle paralysis, resulting in peripheral respiratory failure. In addition, because the sympathetic ganglion is stimulated by acetylcholine, its postganglionic sympathetic nerve fiber terminals release catecholamine, causing vasoconstriction, resulting in increased blood pressure, rapid heartbeat and arrhythmia.
Symptoms of central nervous system symptoms of central nervous system after acetylcholine stimulation include dizziness, headache, fatigue, ataxia, restlessness, delirium, convulsion and coma.
matters needing attention
The appearance of watermelon with organophosphorus pesticide is uneven yellow and green, the flesh is relatively red, but the seeds are white, and the taste is not sweet. It is suggested that the public choose the one with smooth appearance, clear pattern, obvious grain and symmetrical ends when buying.