Midterm #2 - IV Meds Flashcards

1
Q

IV Methods

A

Intermittent Infusion
Continuous Drip Infusion (in the main primary IV bag)
IV Direct/ Push
IV Bolus

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2
Q

IV Compatibility

A

Ability of a medication to retain its properties when combined with a diluent (eg NS)

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3
Q

IV Med Incompatibility

A

Undesired reaction between two drugs or a drug and a solution

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4
Q

Stability

A

Ability of substances to remain unchanged in the presense of other substances

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5
Q

Continuous Infusion

A

Infusion of IV solution at a constant rate.

May be the primary infusion.

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6
Q

Intermittent Infusion

A

Administration of IV meds at a prescribed interval.
May be delivered by pump or by gravity.
Upon completion, IV tubing is disconnected from IV access and IV access is flushed.
Promotes independence.

Q4h, q6h, q12h…

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7
Q

Primary Infusion

A

Main IV solution set up for the delivery of intravenous fluid or for maintaining vascular access during intermittent infusions

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8
Q

Secondary Infusion (Piggyback)

A

IV solution or med attached to the main set that is initiated concurrently or intermittently with the primary infusion.

Most common method to admin IV meds

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9
Q

Bolus

A

Concentrated med/solution given over a short period of time
May be given vi an infusion set or IV direct.

IV meds given too quickly cause negative outcomes (speed shock, death)

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10
Q

IV Direct

A

Administration of a med via syringe over a specific period of time (greater than 1 minute)
Into the lowest med port or directly into the cap of a IV catheter extension set.

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11
Q

IV Push

A

Rapid admin of a bolus of med via syringe

Based on the need for a rapid response to a med (eg. CPR)

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12
Q

KVO

A

Maintenance of a vascular access device “to keep the vein open”.
Continuous infusions for KVO MUST contain a specific rate of infusion ordered by the physician

TKVO - 10- 25 mL/h

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13
Q

Advantages of IV med admin?

A

Quick therapy effect of med
When med too irritating to be admin by another route
Control of how much to administer - stop or hold
Unconscious Patient med admin

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14
Q

Disadvantages of IV med admin?

A
Rapid severe reaction to med
Fluid overload
IV site complications: phlebitis, extravasation, infiltration
Allergic reaction - anaphylaxis
Speed shock
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15
Q

Anaphylaxis Early S+S

A
Uneasiness
Anxiety
Impending doom
Erythema
Urticaria
Pruritis
Angioedema
Feeling of warmth
Resp: lump in throat, hoarseness, coughing, sneezing, dyspnea, stridor

> > > Epinephrine IM route

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16
Q

Anaphylaxis Late S+S

A
Unable to breathe d/t airway obstruction
Laryngeal edema and bronchospasm
Hypotension
Fluid shift
Tachycardia or bradycardia
Ischemia d/t vascular dilation
Cardiac arrest
Coma
N+V
Cramping
Diarrhea
17
Q

Anaphylaxis Prevention

A
Allergy screening prior to med admin
Remove antigen - STOP infusion
Stay with Pt
Call for help - Call a code
Apply O2
Vitals, SpO2, assess ABC
KVO/ Start IV
Emotional support
Be aware of anaphylaxis kit, crash cart location
18
Q

IV monograph

A
Provides drug information to nursing, medical and pharmacy staff.
Dose rate charts and route information
Contraindications
Cautions
Reconstitution instructions
Compatibility
Adverse effects
Therapeutic drug monitoring
19
Q

Advantages of Intermittent Infusions

A
  • Prevent harm to the Pt - med is given slowly
  • Multiple admin of meds through a single line
  • It provides high serum blood levels for only a short period of time
  • Reduce the risk of rapid infusion - less potential for adverse reactions
20
Q

Compatibility of solutions and meds

A

Check compatibility before admin
If an incompatibility exists between solutions/meds there must be flushing between doses to prevent mixing OR they have to be run separately (separate lumens)
If insuff info - solutions/meds are considered incompatible

21
Q

IV Bolus

A

Amount of concentrated dose of medication directly into the vein of an existing IV access
Via the lowest injection port of an existing IV infusion or an intermittent needless connector over a specific period of time at a safe rate.

Process:
Pre-flush (if applicable)
Med admin (as per monograph)
Post-flush (at the same rate of the med administered)
Monitor Pt and assess site
22
Q

Bolus Advantages

A

More rapid effect
Can give multiple medications within shorter time frame
Minimize the potential for fluid overload for pts at risk
Fast onset for both desired and undesired effects

23
Q

Bolus disadvantages

A

Greater potential for:

  • IV site complications (check for patency and flush between multiple meds)
  • Adverse reactions (be aware of SE prior to admin)
  • Speed shock
  • Venous irritation
24
Q

Sandwich Flushing Technique

A

If the IV med is incompatible with the primary solution or med in the solution–
Stop infusion - primary line
Kink/occlude line above lowest port
Flush before and after.

If compatible - no need to “sandwich”

25
Q

IV Insulin

A
Emergency treatment of diabetic coma
DKA
HHS
Hyperkalemia
Hyperglycemia during critical illness (fever, stress)
Uncontrolled and unknown diabetes dx
26
Q

DKA Management

A

Rehydration
Tx of hypokalemia
Reversing acidosis w/ insulin administration
Monitor BG levels > 14mmol/L
Monitor Fluids and electrolytes (restore)
Monitor urine output, renal function (creatinine & BUN)
Monitor ECG for dysrrhythmias
Monitor: LOC, VS, ABG (CO2 <18), pH, GI, odor of breath (fruity)

27
Q

IV Insulin Equipment and Prep

A

Check:

  • IV site, BG level, COS & IV monograph
  • Infusion pump, IV tubing portless, IV bag as per IV monograph (250mL), 1mL luerlock syringe/insulin syringe, med label
  • Mix bag, agitate gently then prime tubing
  • MUST flush with 20mL of the mixed IV Insulin solution
28
Q

IV Insulin Admin

A
  • Use Regular Toronto
  • Dedicated IV line - portless, slow rate, infusion pump > block
  • CAN NOT be interrupted by other meds
  • Start a 2nd IV site if needed
  • Dose titrated by its effect - calculated as per COS
  • Must not be stopped until Subcut insulin begins
  • Insulin will cling to the inner surface of the IV tubing - Flush with 20mL of mixed solution
29
Q

Vesicant

A

A drug or solution that has the potential to cause blisters, tissue damage and necrosis

30
Q

Irritant

A

A drug or solution with a pH <5 or >9 or osmolality> 500Osmol/L

31
Q

Cytotoxic drug

A

Drugs that are detrimental or destructive to cells within the body (chemo)

32
Q

Hazardous/Cytotoxic Drug Precautions

A
  • Nursing must wear protective clothing, special gloves, eye goggles and shields
  • DO NOT split cytotoxic meds
  • Oral meds require care and use of protective gloves
  • PPE must be worn when in contact with any body fluid when is PT is in cytotoxic precautions
33
Q

Personal Protective Equipment (PPE) - Cytotoxic

A
  • Moisture resistant long sleeved gown with cuffs
  • Chemotherapy approved gloves
  • Eye protection - mask with full shield or goggles
  • Face mask

Gloves must be worn with any skin contact when administering oral/topical High Risk Hazardous meds