基础护理学-给药3精品PPT教学课件

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Common sites for intradermal injections are the inner lower arm, the upper chest, and the back beneath the scapulae (Figure 33-27).
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Common Parenteral medications Intradermal Injections
An intradermal injection is the administration of a drug into the dermal layer of the skin just beneath the epidermis. Usually only a small amount of liquid is used, for example, 0.1 mL.
with a sealed rubber cap. Vials
come in different sizes, from
single to multidose vials. They
usually have a metal or plastic
cap that protects the rubber seal.
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After the site is cleaned, the skin is
held tautly, and the syringe is held at
about a 15-degree angle to the skin,
with the bevel of the needle upward.
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Fra Baidu bibliotek
Administering parenteral drugs requires the same nursing knowledge as for oral and topical drugs; however, because injections are invasive procedures, aseptic technique must be used to minimize the risk of infection.
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Equipment syringes
To administer parenteral medications, nurses use injectable equipment (ie, syringes, needles, vials, and ampules). Syringes have three parts: the tip, which connects with the needle; the barrel, or outside part, on which the scales are printed; and the plunger, which 2f0i2t0年s10月i2n日side the barrel (Figure 33-135).
mL or more. Most ampule necks
have colored marks around them,
indicating where they are prescored
for easy 2020年10月2日 opening.
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Vials
A vial is a small glass bottle
Needles
Needles are made of stainless
steel, and most are disposable. A
needle has three discernible parts:
the hub, which fits onto the syringe;
the cannula, or shaft, which is
The needle is then inserted through
the epidermis into the dermis, and the
fluid is injected. The drug produces a
small bleb just under the skin (Figure
给药 (三)
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Medications (three)
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PARENTERAL MEDICATIONS
Nurses given parenteral medications intradermally (ID), subcutaneously (SC or SQ), intramuscularly (IM), or intravenously (IV). Because these medications are absorbed more quickly than oral medications and are irretrievable once injected, the nurse must prepare and administer them carefully and accurately.
attached to the hub; and the bevel,
which is the slanted part at the tip
of the needle (Figure 33-17).
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Ampules
An ampule is a glass container
usually designed to hold a single
dose of a drug. It is made of clear
glass and has a distinctive shape
with a constricted neck. Ampules
vary in size ranging from 1 mL to 10