Radioactive nuclide can enter into the human body and accumulate inside by respiratory inhaled, the digestive tract, skin or mucous membrane going into.

The dosage of death: When the body absorbs 5 gy prescribed dosage, he will have nausea, vomiting and diarrhea in 1-2 hours and appears pharyngitis, temperature rises and quickly angular; Then he will die in second week and the death rate is 100%.

The half of the dosage of death: When absorbs 4 gy prescribed dosage, he will have a vomiting after several hours, hair falls off and temperature rises; In three weeks, the purple spot appears and throat infects; After four weeks, there are 50% Illuminating patients dying and survivors can recover after six months.

Mild acute radiation sickness symptoms: As absorb 2 gy prescribed,patients will appear the symptoms of hair falling off and anorexia; When absorb 1 gy prescribed dosage, there are 20-50% patients vomiting; As absorb 0.5 gy prescribed dosage, patients’s blood picture mild change.

Radiation damage:The forward effect, flooding body effect and genetic effects: The forward effect refers to it happens lesions in several month after illumination; flooding body effect refers to cause patients producing leukemia, cataract, cancer and shorten life; Genetic effect is that it shows damage effect in next generation or a few generations.  Therefore, we should decrease the unnecessary x-rays examination by common medical x-ray machine, medical ultrasound scanner and Digital Radiography.

Guangzhou Jia Yu medical equipment Limited