Signs and treatment of cold
Do not use fire to warm the frostbitten body area because it can easily cause blisters and rupture blood vessels; remove the victim from the cold environment and cover with a blanket to warm.
According to Dr. Nguyen Xuan Ninh, when the temperature drops, manual workers or people working outdoors are susceptible to catching a cold.
When infected with cold, patients often have signs of tremors, stuttering, increased heart rate, rapid breathing. In severe cases, patients have impaired perception, confusion, delirium, pulmonary edema, anuria, hypotension, and slow heart rate.
More severe cases can lead to coma, cardiac arrest and respiratory arrest. The mortality rate is 40% in people with moderate to severe cold.
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How to prevent frostbite in cold weather. |
When exposed to cold, the body has many reactions such as: blood vessels constrict, the amount of blood supplying the constricted organ will decrease, the limbs will become dark, pale, even like burned, swollen and blistered because there is no blood supply.
People over 65 years old have a history of many chronic diseases, poor resistance, and an auto-regulatory system that increases shivering and produces heat to fight the cold, so they are more susceptible to cold.
Elderly patients with sepsis have symptoms similar to those of a cold, so it is necessary to control the source of infection if a cold is present. Children, malnourished people... are also in the high-risk group.
Doctor Ninh said, peopleIf you catch a cold, move quickly to a warmer area where the temperature is best at 28 degrees Celsius.
Cold patients faint or comatose, whenMovement must be gentle and in a horizontal position because the patient's heart is very sensitive to movement. If moved roughly, it can easily lead to arrhythmia and death.
Next, remove any wet clothing the patient is wearing, cover the patient with a blanket or any other available item to warm the patient, reduce heat loss combined with the body's internal heat production to warm itself.
In severe cases, after warming, quickly take the patient to the nearest medical facility for timely examination and treatment by a doctor.Never use a fire to warm the frozen area as it will cause blisters and broken blood vessels. Do not rub or massage the frozen body part to avoid damaging the tissue and stimulating the heart.
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