Презентация на тему: General Approach To Drug Administration

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General Approach To Drug Administration
QUESTIONS
Drug Administration
General Approach To Drug Administration
General Approach To Drug Administration
General Approach To Drug Administration
Parenteral Injection Sites
Subcutaneous Route
Subcutaneous Injection Sites
General Approach To Drug Administration
Intramuscular injection sites Deltoid muscle
Intramuscular injection sites Vastus lateralis
Intramuscular Injection Sites Gluteus maximus
Intramuscular Route
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Первый слайд презентации: General Approach To Drug Administration

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Слайд 2: QUESTIONS

What are indications to injections? What kinds of syringes do you know? What solution do they use for intracutaneous, subcutaneous and intramuscular introduction? What are necessary characteristics of syringe for different types of injections (both lengths and diameter of a needle, syringe capacity)? What is permissible dosage schedule to different kinds of injections and ways of the usage of medicines? What is a technique of taking a drug from an ampoule? What is a technique of intracutaneous allergic test? What is a technique of subcutaneous injections? Instruction for nurses about insulinization. What is a technique of intramuscular injections? What rules of making an injections in treatment room and ward do you know? What complications of injections do you know?

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Слайд 3: Drug Administration

Absorbtion Plasma water Metabolism Excretion Site of Action Tissue oral intramuscular subcutanous topical intravenous

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Слайд 4

Pharmacokinetics : Relationship between the dose of a drug & the subsequent concentration of the drug in body fluids & tissues over time drug a bsorption, passage of drug from site of administration to circulation drug d istribution, to where does the drug finally pass and become therapeutic drug m etabolism, breakdown of drug to an inactive form usually within the liver drug e limination, final excretion either in urine, feces, or even exhalation

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Слайд 5

Routes of Administration Oral, drug is delivered by mouth and absorbed in the gastrointestinal (GI) tract Parenteral, delivery with a needle or syringe Transdermal, absorption of drug through the skin Inhalation, administration through the respiratory tract Nasal, absorption of drug by olfactory epithelia Rectal, absorption through colon epithelium

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Слайд 6

Systemic vs. Local Effects Systemic effects mean that the delivered drugs circulate through the entire body Example: Orally delivered pain reliever for a sore toe Local effects are restricted to region of delivery Example: nasal spray for stuffy nose

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Слайд 7: Parenteral Injection Sites

subcutanously intramuscularly intravenously Used for drugs poorly absorbed from the gastrointestinal (GI) tract or those that are unstable in the GI. Also used in unconscious patients or when rapid onset of action is required

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Слайд 8: Subcutaneous Route

Subcutaneous (SC) Requires absorption of the drug through tissue which minimizes some of the risks associated with IV injection Can be self administered Can be painful, irritant drugs can cause local tissue damage Maximum of 2 ml injection thus often small doses limit use. Absorption depending on blood flow Constant & slow absorption Prolonged effect (Ex.of drugs: Insulin, Heparin)

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Слайд 9: Subcutaneous Injection Sites

Abdominal wall Thigh Deltoid area

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Слайд 10

Intramuscular (IM) rapid absorption of aqueous drugs, larger volume, than SC, can be given by IM Trained personnel required for injections. The site of injection will influence the absorption. Absorption depending on blood flow Rapid onset & shorter duration Use at least a one inch needle to assure that the drug is placed deep in the muscle for proper absorption. This route allows for the second fastest rate of absorption (Ex.of drugs: Glucagon, Adrenaline)

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Слайд 11: Intramuscular injection sites Deltoid muscle

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Слайд 12: Intramuscular injection sites Vastus lateralis

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Слайд 13: Intramuscular Injection Sites Gluteus maximus

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Последний слайд презентации: General Approach To Drug Administration: Intramuscular Route

Limitations Neurovascular damage Bleeding (eg anticoagulant therapy) Pain Infection Delayed absorption in shock

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