تزریق زیر جلدی با تزریق عضلانی چه تفاوتی دارد لطفا ممنون

Subcutaneous injection The subcutaneous injection site usually chooses a site with thinner skin, loose subcutaneous tissue and less blood vessels, such as the neck or the inner thigh, which is a better site. All easily soluble, non-irritating drugs, as well as vaccines and vaccines, can be injected subcutaneously. During the injection, the assistant will keep the dog in good condition and trim the hair locally (for the long-haired poodle for entertainment, in order to avoid affecting the appearance due to shearing, the coat can be separated from the surrounding area with a sterile cotton ball at the injection site), and use 70 percent alcohol cotton. After the ball is sterilized, gently pinch the skin with the thumb, forefinger and middle finger of the left hand to form a wrinkle, and pierce the needle of the syringe into the wrinkle with the right hand to a depth of about 1.5-2 cm. Press the skin at the needle insertion site with an alcohol cotton ball, pull out the needle, and gently press the skin at the needle insertion site. 2. Intramuscular injection In general, less irritating liquids and liquids that are difficult to absorb can be injected intramuscularly, but more irritating drugs, such as calcium chloride and hypertonic saline, cannot be injected intramuscularly. When intramuscular injection, should choose the muscle plump and no large blood vessels, such as buttocks, back muscles. After the assistant has secured and sterilized the dog, the surgeon tightens the skin of the injection site with the thumb and index finger of the left hand, holds the syringe with the right hand, and quickly pierces the needle and the skin at a 60' angle to a depth of about 2-2.5 cm. The inner core of the needle can be drawn, and the medicinal liquid can be pushed into the muscle without blood backflow. After the injection, the local area should be disinfected again. 3. Intravenous injection The drug effect produced by intravenous injection is the fastest, and large doses of irritating liquids (such as calcium chloride, hypertonic glucose solution, hypertonic saline, etc.) should be injected intravenously. The site of intravenous injection can be selected from the jugular vein (in the jugular groove, at the junction of the upper 1/3 and the middle 1/3 of the neck, where the vein is superficial and easy to find), the medial above the wrist joint or the mid-palm below the wrist joint The veins on the medial side, or the veins on the outside of the hock joint, the veins above the hock joint, the veins in the medial thigh, etc.

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