Unit 3 Intravenous

Question 1

What is intravenous IV

Answer 1

Medical technique that deliver fluids, medications and nutrients directly into a person’s vein

Question 2

What is IV Preparations for

Answer 2

• reach appropriate drug levels
• guarantee compliance
• drugs with unreliable GI gastrointestinal absorption
• patient who can have nothing by mouth
• unconscious patient

Question 3

Characteristics of IV Preparations

Answer 3

• solution ( ingredients are dissolved )
• Suspension ( ingredients suspended )
• most parenteral may be oleaginous ( oily )
• must have chemical properties that will not damage vessels or blood cells
• with blood IV must be iso - osmotic ( same number of particles in solution per unit volume ) and isotonic ( same osmotic pressure )
• measure in million milliomoles mOsm
  -osmolality of blood serum is 285 mOsm / L
• isotonic solution ( body cells can be bathed without a net flow of water across semipermeable membrane 0.9 % normal saline
  -hyertonic solution ( contains high number of particles than blood cells 50 % dextrose or 3 % sodium chloride

Question 4

Methods of injection

Answer 4

• injection was performed using a syringe ( prepackaged in the filled form, disposable plastic syringes, injectable drug must be taken up into syringe
• IV infusions deliver large amounts of liquid into the bloodstream over prolonged periods of time
• liquids like blood, water, electrolytes, drugs and nutrients

Question 5

What is a syringe

Answer 5

Syringe are used for IV push and in the preparation of infusions that is made of glass or plastic
- Glass syringe
Use limited for medications that are absorbed by plastic
- plastic syringe
Less expensive, disposable and come from the manufacturer sterile

Question 6

What is a vial

Answer 6

Powders reconstituted by introduce diluent like sterile water for injection
- closed systems
- amount of air introduced should be equal to removed fluid volume
- How to use
1. Choose smallest gauge needle
2. Attach needle to syringe
3. Draw into syringe an amount of aid equal to amount of drug to be drawn
4. Swab or spray top of the vial with alcohol swab before entering laminar flow hood. Puncture rubber top of vial with needle bevel up. Then, bring the syringe and needle straight up, penetrate the stopper and press the plunger of the syringe. Empty the air into vial
5. Invert the vial with attached syringe
6. Draw up from the vial amount of liquid required
7. Withdraw needle from vial
8. Dispose needle and cap the syringe

Question 7

Define ampoule

Answer 7

Single dose only drug container
- must break the top off before withdraw medication
- How to use
1. Gently tap the top of the ampoule to bring medication to the lower portion
2. Clean the neck with alcohol swab. Then, grasp the ampoule between the thumb and index finger at the neck with swab in place
3. Snap the neck away

Question 8

Calculation tengok kat telegram