Exam 1 and Exam 2 Information Flashcards
Isotonic Solutions
KNOW THIS (Per Hayley)!!!
INCREASES fluid volume
- used in the treatment of dehydration & hypovolemia
When should Isotonic solutions be administered?
KNOW THIS (Per Hayley)!!!
To treat dehydration & hypovolemia
Examples of Isotonic Solutions
KNOW THIS (Per Hayley)!!!
- Lactated Ringers
- 0.9% Normal Saline
ISOTONIC SOLUTION
- What is the purpose of isotonic solution / what does it do?
- When should isotonic solution be administered?
- Examples of isotonic solution
KNOW THIS (Per Hayley)!!!
↑ Fluid Volume
- Administer to patients with: hypovolemia or dehydration
Examples:
* Lactated Ringers
* 0.9% Normal Saline
What does Hypotonic Solution do?
KNOW THIS (Per Hayley)!!!
Causes fluid to go from extracellular space (edema, ascites, etc.) into INTRACELLULAR space (veins / circulation)
When should Hypotonic solution be given & when should it be avoided?
KNOW THIS (Per Hayley)!!!
- GIVE: increase fluid in the veins / circulation such as, to try & increase BP or to treat DKA
AVOID with BRAIN INJURIES
Examples of Hypotonic Solution
KNOW THIS (Per Hayley)!!!
0.45% Normal Saline
HYPOTONIC SOLUTION
- What does it do?
- When should it be administered?
- When should it be avoided?
- Examples of Hypotonic solution
KNOW THIS (Per Hayley)!!!
Causes fluid to go from extracellular space (edema, ascites, etc.) to intracellular space (veins / circulation)
- used for increasing low BP & hyperosmolar conditions like the treatment of DKA
- AVOID with BRAIN INJURIES (it can cause cellular swelling)
Examples
* 0.45% Normal Saline
What does Hypertonic Solution do?
KNOW THIS (Per Hayley)!!!
Intracellular fluid goes to extracellular space –> CELLULAR SHRINKAGE
When should Hypertonic Solution be used?
KNOW THIS (Per Hayley)!!!
- Brain injuries (removes fluid from the brain)
Examples of Hypertonic Solution
KNOW THIS (Per Hayley)!!!
- Anything with D5W
- 3% Normal Saline
ISOTONIC SOLUTION
1.) Indications / use
- Examples
- Cautions
KNOW THIS (Per Hayley)!!!
1.) VOLUME EXPANSION in fluid volume deficit
Examples: 0.9% NS & Lactated Ringers
CAUTIONS:
* Pulmonary edema
* CHF
* Sodium retention
* Renal failure
HYPOTONIC SOLUTIONS
1.) Indications / Use
- Examples
- Cautions
KNOW THIS (Per Hayley)!!!
1.) Cell Fluid REPLACEMENT / Cell SWELLS (fluid goes INTO the cells)
Examples: 0.45% NS
CAUTIONS
* Cellular swelling
* Brain Injury
* ↓ BP
HYPERTONIC SOLUTION
1.) Indications / Use
- Examples
- Cautions
KNOW THIS (Per Hayley)!!!
1.) fluid moves OUT of the cell / cell SHRINKS (↓ size of cell)
Examples: 3% NS, anything with D5
CAUTIONS:
* may cause dehydration
* may cause circulatory overload
* may cause ECF volume overload
When should D5W be avoided?
KNOW THIS (Per Hayley)!!!
- In patients with brain injuries
- Avoid during fluid resuscitation
Normal range of blood sugar
KNOW THIS (Per Hayley)!!!
70 - 100 mg/dL
Normal INR range for patients on warfarin (Coumadin)
KNOW THIS (Per Hayley)!!!
2.0 - 3.0
Normal aPTT for patients on Heparin
KNOW THIS (Per Hayley)!!!
1.5 - 2.5 times the normal range
What is the goal Hemoglobin A1C for patients with diabetes?
KNOW THIS (Per Hayley)!!!
< 7%
What is the blood sugar range in patients with Diabetic Ketoacidosis (DKA)?
KNOW THIS (Per Hayley)!!!
300 - 800 mg/dL
What is blood sugar in patients with Hyperglycemic Hyperosmolar Syndrome (HHS)?
KNOW THIS (Per Hayley)!!!
> 600 mg/dL
blood sugar is 600 or higher
What is infiltration What are the signs & symptoms?
What is the treatment?
Non-vessicant leaks into tissue
S/S: edema, cool, leakage out of the tissue, discomfort
Tx:
* stop the IV and start a new line
* warm compresses
What is extravasation?
What are the signs & symptoms?
**What is the treatment?
Vessicant leaks into surrounding tissues
S/S: blistering, inflammation, necrosis, pain, burning, erythema
Tx:
* leave the IV in and ask Dr. if there is an antedote
* Start a new IV in a different extremity
What is phlebitis?
What are the signs & symptoms?
What is the treatment?
Inflammation of the vein
S/S: red streak / snake or spider vein, erythema, edema, tenderness, painful
Tx:
* Discontinue the IV
* Start a new IV
What is thrombophlebitis?
What are the signs & symptoms?
What is the treatment?
Clot + Inflammation
S/S: edema, erythema, pain, malaise, leukocytosis, fever
Tx:
* Cool compress
* Elevation
* Discontinue the IV & start a new one
What is a hematoma?
What are the signs & symptoms?
What is the treatment?
Blood leakage into the tissue (vein wall perforated)
S/S: Swelling, leakage of blood, ecchymosis, red/purple bloody area / bruise
Tx:
* Discontinue IV
* Apply pressure
* Ice for 24 hours
Normal range of Sodium (Na+)
KNOW THIS (Per Hayley)!!!
135 - 145
Normal range of Potassium (K+)
KNOW THIS (Per Hayley)!!!
3.5 - 5.0
Normal rang eof Calcium (Ca+)
KNOW THIS (Per Hayley)!!!
8.8 - 10.4
Normal range of Magnesium
KNOW THIS (Per Hayley)!!!
1.3 - 2.3
Normal range of White Blood Cells (WBCs)
KNOW THIS (Per Hayley)!!!
5,000 - 10,000 mm^3
Normal range of Red Blood Cells (RBCs)
KNOW THIS (Per Hayley)!!!
4.5 - 5.5
“4.5 - 5.5, the tissues are alive”
Which metabolic disturbances do the following issues causes?
- Hyperventilation
- Hypoventilation
KNOW THIS (Per Hayley)!!!
Hyperventilation = respiratory alkalosis
Hypoventilation = respiratory acidosis
Describe metabolic acidosis and metabolic alkalosis in terms of gaining or loosing bases and acids.
KNOW THIS (Per Hayley)!!!
Metabolic Acidosis = gain base or lose acid
Metabolic Alkalosis = gain acid or lose base
How can you tell if an ABG is compensated?
KNOW THIS (Per Hayley)!!!
pCO2 & HCO3 are both moving the same direction
- both up
- both down
How can you tell if an ABG is mixed?
KNOW THIS (Per Hayley)!!!
CO2 & HCO3 are both out of range
* move in opposite directions (one goes ↑ & the other goes ↓)
What are the 5 most common complications of diabetes?
KNOW THIS (Per Hayley)!!!
- Stroke
- Blindness
- Heart disease
- Kidney failure
- Loss of limbs
What is atelectasis?
KNOW THIS (Per Hayley)!!!
Partial or full collapse of alveoli
What is wasting syndrome?
KNOW THIS (Per Hayley)!!!
lose 10% of their body weight
* Chronic diarrhea, weakness, & fever without cause
What is pneumonia?
- What should the nurse check for?
- Who is most at risk?
- What is the treatment?
KNOW THIS (Per Hayley)!!!
Pneumonia = inflammation of the lungs (usually due to fluid in the lungs)
- Check for SOB, crackles, rhonchi, & secretions
- Common in long-term care facilities & long-term smokers
- Tx: fluids, antipyretics, decongestants, anti-convulsants
Most Notable Sign / Symptom of Tuberculosis (TB)
KNOW THIS (Per Hayley)!!!
Red-tinged sputum
What is Virchow’s Triad?
- What does Virchow’s Triad indicate / mean?
KNOW THIS (Per Hayley)!!!
1.) Venous Stasis
2.) Vessel Trauma
3.) Hypercoaguablity
- Virchow’s Triad = individual is at increased risk of clot formation (pulmonary embolism)
What are the 3 characteristics / signs that make up Virchow’s Triad?
KNOW THIS (Per Hayley)!!!
1.) Venous Stasis
2.) Vessel Trauma
3.) Hypercoaguability
What does it mean when someone has Virchow’s Triad?
KNOW THIS (Per Hayley)!!!
The individual has an increased risk of clot formation (Pulmonary embolism)
What are the two classifications of COPD?
KNOW THIS (Per Hayley)!!!
- Chronic Bronchitis (Blue Bloaters)
- Emphysema (Pink Puffers)
What are the signs & symptoms of chronic bronchitis?
KNOW THIS (Per Hayley)!!!
- Cyanosis
- Bloated
- Mucous
- Coughing up sputum
- Edema
- Respiratory acidosis
- Hypercapnia
- ↑ RR
- ↑ SOB
What are the signs & symptoms of emphysema?
KNOW THIS (Per Hayley)!!!
- Pursed lip breathing
- Barrel chest
- Wheezing
- Thin appearance
- Increased mucous
- Talking in short sentences (due to SOB)