The stethoscope, like other diagnostic instruments, is one of the most basic medical devices used in surgeries and clinics. From Single head stethoscopes to Dual head stethoscopes, Yingmed offers a wide selection of high-quality stethoscopes. There are two pairs listening head for Teaching use dual head stethoscope so that teacher and student can listen at the same time.
Except stethoscope, Patient monitor also can be used to get the rate of hearbeat. You will find a large selection of Patient monitor in our other category.
Single Head Stethoscope,Black Stethoscope,Professional Veterinary Stethoscope,Dual Head Stethoscope NINGBO YINGMED MEDICAL INSTRUMENTS CO.,LTD , https://www.chinayingmed.com
Chilblain often occurs unconsciously in the winter, parts of the ear, hands, feet, etc., local redness, purple, swelling, itching, and sometimes blisters, erosion, ulceration, scab. If no infection, self-healing after warm weather. However, it is prone to relapse in the coming winter.
Local frostbite is divided into four degrees according to its degree:
Degree I frostbite: injuries to the epidermis. Local redness, swelling, itching, pain, heat. After about 1 week, the knots are getting worse.
Degree II frostbite: Injury to the dermis. Redness, swelling, pain, and itching are more pronounced. Local blisters, if not infected, heal two to three weeks after scarring.
III frostbite: deep subcutaneous tissue. Early swelling and large blisters, the skin from pale to blue and black, consciousness disappeared, the organization was dry necrosis.
IV Frostbite: Injuries to muscles and bones. Dry and wet gangrene occurs and skin grafting and amputation are required.
After the occurrence of frostbite, it is not possible to immediately heat or massaging the frostbite to prevent localized edema. One to two hours after being frozen, heat can be applied. If the local skin is not damaged, you can apply a cold cream (available in hospitals and pharmacies) or smear with alcohol that has been soaked in pepper (75% alcohol or 60 degrees or more liquor Soaked with pepper), 30% of the mixture of lard and honey is also good after smearing. If the skin is damaged, neomycin ointment should be applied as soon as possible to prevent infection.
Three measures to prevent frostbite:
1. Exercise to enhance physical fitness and exercise cold. From the beginning of the summer, wash your face and feet with cold water.
2. Eat in time and pay attention to food quality. Eat more calorie-rich foods such as oils and meats.
3. Wash your hands and feet with hot pepper and fried water to prevent frostbite.