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Term 4 (PN) > 185 - Med Surg Exam 1 > Flashcards

185 - Med Surg Exam 1 Flashcards

1
Q

what are 4 types of oxygen devices?

A

Nasal cannula (1-6L)

Non-rebreather (10-15L, 100%O2)

Simple face mask (1-8L)

Venturi mask (1-10L)

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2
Q

AKA “oropharyngeal airway”

Inserted by tilting head back, opening mouth, and inserting airway
* Tip pointed toward the roof of mouth

A

Oral airway

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3
Q

Surgically created opening through the neck into the trachea

Causes:
- Resp. Failure
- Cancer (throat, thyroid, ect)
- Trauma (face, neck)
- Surgery

A

Tracheostomy tube

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4
Q

AKA “nasopharyngeal airway”

Soft rubber tube inserted through the nose and extended to the base of the tounge

A

Nasal Airway

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5
Q

Long tube inserted though the mouth or nose into the trachea
- Requires specialized training

Tubes are cuffed & have inflatable balloons that seal the trach preventing aspiration & facilitate mechanical ventilations

A

Endotracheal tubes

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6
Q

What are the 9 steps for suctioning traches?

A
  1. Sterile tech. & Face shield
  2. Lube on tubing
  3. Oxygenate patient before suction
  4. Open vent during cath. insertion
  5. Suction intermittently while rotating and moving cath back and forth while withdrawling
  6. Suction no longer than 10-15 seconds
  7. Rinse cath suctioning w/ NS
  8. Oxygenate patient after suction
  9. Document status before & after
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7
Q

What are the 10 steps for proper trach care?

A
  1. Standard precaution
  2. suction before removing old dressings
  3. Don sterile gloves
  4. Use sterile solution (NS) to clean the inner cannula
  5. Rinse and dry inner cannula. Reinsert into outer cannula
  6. Cleans stoma and surrounding skin
  7. Dont get solution into stoma
  8. Change tracheostemy ties
  9. Replace trach dressing w/ precut pad/ gauze
  10. Tie the ties at sides
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8
Q

What are 4 nursing responsibilities for a patient who has a trach?

A
  1. Keep airway clean
  2. Keep inner cannula clean
  3. Prevent impairment of surroundings
  4. Provide patient a means for communication
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9
Q

What are nursing interventions for a patient who has a trach?

A

Evaluate - Look for secretions & suction

Provide - Constant airway humidification/ oxygenation

Change/clean - All equipment q8h or PRN

Remove - Water condensed in equipment tubing

Provide - Mouth care (moisturize lips), communication board/ tablet, & safety

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10
Q

Device intended to mechanically control/ assist patients breathing by delivering predetermined % of O2 in breathing gas

Cause:
- Acute resp. failure who are unable to maintain adequate gas exchange in lungs

A

Ventilator

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11
Q

Delivers constant preset amount of oxygenated air into a patient
- Most common/used

Gives breath for certain amount of time

A

Volume cycled

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12
Q

Pushes air into lungs until a preset pressure is reached

Not widely used for continous mechanical vent

Delivers certain amount of pressure then cycles

A

Pressure cycled

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13
Q

Delivers oxygenated air during a preset length of time
- mostly used w/ infants & children

Gives breath for certain amount of time

A

Timed cycled

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14
Q

What are the 10 care essentials for patients on a vent?

A
  1. Review communication board
  2. Check vent settings (resp rate, tidal volume, peak (PIP))
  3. Suction appropriately
  4. Assess pain & sedation needs
  5. Prevent infection
  6. Prevent hemodynamic instability
  7. Manage airway
  8. Meet nutritional needs
  9. Wean off vent
  10. Education
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15
Q

What 6 interventions would you provide for a patient on a vent?

A
  1. Monitor settings to ensure they match
  2. Ensure high & low pressure alarms are set
  3. Have manual resuscitator & O2 avalible
  4. Don’t allow water to accumulate in tubing
  5. Monitor vitals & breath sounds, suction PRN
  6. Establish communication methods
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16
Q

Inserted from pleural space of lungs

Permits re-expansion of a collapsed lung in patients w/ hemo/pneumothorax, or plural effusion

Inserted at bedside or OR
- Places at 8th/9th intercostal space

Equipment:
- Collection chamber
- Water seal chamber
- Suction control chamber

A

Chest tube

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17
Q

Lung infection that occurs when a person is on a vent for a long period
- Bacteria enters through the tube entering the patients lungs
- Major complication

Incidences in US range from 2-16 episodes/1,000 vent days

Tx: IV antibiodics

A

Ventilater-Associated-Pneumonia
(VAP)

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18
Q

What are nursing interventions for a patient Dx with Ventilater-Associated-Pneumonia
(VAP)?

A

Keep HOB 30-45 degrees

Oral care to decrease bacterial growth

If intubated, provide sedation “vacations” & evaluate extubation readiness
- Reflected by vitals & ABGs

Peptic ulcer disease (PUD) prophylaxis
- Pepcid, protonix

DVT prophylaxis
- Lovenox, heparin

IV antibiodics

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19
Q

Bronchodilator
- Relaxes & dilates bronchial smooth muscles

Use: Asthma, emphasema, chronic bronchitis, ect (think lungs)
- Increases renal blood flow & anti-inflammatory

Side effects:
- Increase HR & BP

Interventions:
- vitals & safety
- Lung assessment

A

Theophylline

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20
Q

Benzodiazepine, anti-anxiety, muslce relaxant, anti-convulsant
- Short acting

Use: Sedative (given in pre-op)
- Amnesia effect, produces sleep

Side effects:
- Drowsiness
- Confusion
- Hypotension
- Hepatotoxicity
- Low HR

Interventions: Vitals

Antidote: Flumazenil (Romazicon)

A

Midazolam

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21
Q

Dissolves chemical bonds w/in mucus making it separate/ liquiefying/ reducing viscosity
- Given as nebulizer

Use: Pneumonia, emphysema, asthma, & bronchitis

Side effects:
- N/V
- Tachycardia
- Hypotension
- Rotten egg oder
- Bronchospams (adverse)

Interventions:
- Vitals
- monitor cough & bronchial secretions
- Record GI symptoms before/after therapy

Antidote for Tylenol OD - Given PO

A

Mucomyst (Acetyl Cysteine)

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22
Q

Inhibits interaction of acetylcholine at recepter site on bronchial smooth muscle, resulting in bronchodilation

Use: Asthma, long term Tx or reversible bronchospasms associated w/ COPD

Adverse:
- Mouth dryness
- Throat irritation
- Dizziness
- Nasal congestion

Serious effects:
- Tachycardia
- Urinary retention
- Exacerbation of symptoms

Interventions:
- Vitals
- monitor cough & bronchial secretions
- Record GI symptoms before/after therapy

A

Ipratropium (Atrovent)

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23
Q

Combination of anticholinergic bronchodilator & selective beta 2-adrenegic bronchodilators

Use: Treat/ prevent symptoms (wheezing/SOB) caused by ongoing lung disease (COPD, bronchitis, emphysema)

Side effect:
- headache
- Shaking, tremors
- Nervousness
- Dry mouth, stuffy nose

Interventions:
- Vitals
- monitor cough & bronchial secretions
- Record GI symptoms before/after therapy

A

Bromide/ Albuterol sulfate
(Duo-Neb)

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24
Q

Corticosteroid - PO
- Decreases inflammation
- Caution w/ Diabetes (increases BS)

Use: severe inflammation, MS, asthma, COPD, pulmonary fibrosis

Side effects:
- Weight gain
- Depression, mood changes
- Poor wound healing
- Decreased immunity

Patient teaching:
- DO NOT STOP ABRUPTLY
- Taper off as Dr. directed

A

Prednisone

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25
Q

Deficiency of Pituitary hormone (TSH - Secondary hypothyroidism)

Deficiency of TSH decreases secretion of thyroid hormones

S/s:
* Decreased metabolic rate
* Lethargy, forgetfullness, irritability
* Headache, constipation
* Decreased HR, dyspnea
* Swelling/edema, dry/thick skin
* Coarse hair

Tx:
* Hormone replacement therapy - most commonly Levothyroxine (Synthroid)

A

Hypothyroid

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26
Q

Abnormal increased synthesis & secretions on the thyroid gland w/ overproduction of the thyroid hormone T3/T4 resulting inexaggeration of the metabolic processes
- Geaves disease & Multinodular goiter most common

S/s:
* Weight loss, hair loss, insomnia
* Intolerance of heat, personality changes
* Tachycardia, increased systolic BP/ HTN
* Afib, increased metabolic rate
* Edema to neck, termors, exophthalamos (eye buldging)

Tx:
* Radiation: destroys thyroid tissue, decreases homrone production
* Surgery: Thyroidectomy
* Drug therapy: Tapazole, PTU, Beta blockers, Iodides, Antithyroids, ect

A

Hyperthyroid

(Graves disease or Thyrotoxicosis)

27
Q

What labs determine the diagnosis of hypothyroid?

A

Determination of free T4 & TSH
* Free T4 is low w/ hypothyroidism

28
Q

Large amounts of thyroid hormone enter the bloodstream during surgery or when patients w/ severe hyperthyroidism develop a severe illness of infection

Approx. 12hrs after surgery is when s/s will occur

S/s:
- Tachycardia, cardiac dysrhythmias
- Vomiting, fever, confusion

A

Thyroid Storm

29
Q

What electrolyte deficiency may occur with a thyroidectomy?

A

Hypocalcemia

Hypomagnesemia

30
Q

low level of calcium in the blood (below 8)
* Results from diarrhea, inadequate dietary intake of vit. D, multiple blood transfusions, ect.

hypoalbuminemia is the most common

S/s:
* Trousseau’s sign
* Chvostek’s sign
* diarrhea
* tingling of fingertips and mouth, severe muscle cramps
* laryngospasms (most severe)
* Cardiac dysrhythmias, seizures

treat with oral or IV supplements

A

hypocalcemia

31
Q

Synthetic hormone - IV,IM, PO

Use: Hypothyroidism, Myxedema coma, Thyroid replacement

Side effects:
* Anxiety, tachycardia
* Angina, HTN,palpitations, tachycardia
* N/V/H, cramps
* Thyroid storm (Adverse)
* Cardiac arrest (Adverse)

Nursing considerations:
* Assess BP & pulses periodically
* Daily weight (same time, clothes, ect)
* Monitor cardiac status
* Monitor vitals & labs T3/T4

BBW: Obesity Tx - Not taken to decrease weight

Education:
* Don’t switch brands unless approved
* Take in AM on empty stomach 30 min before food
* Monitor anticoagulent level & adjust dose PRN

A

Levothyroxine (synthroid, eltroxin, Levo-T)

32
Q

Use: Makes thyroid hormones, bone & brain development in pregnancy

Route: PO, IV

Side effects:
* Burning mouth, throat, and stomach
* N/V/D/fever
* Weak pulse (adverse)
* Coma (adverse)
* Thyroid gland inflammaiton/cancer (adverse)

Nursing considerations:
* Monitor HR
* Monitor for hypersensitivity and GI bleed

BBW: Hepatic disease, No breastfeeding

Education:
* Take prenatals or Iodine supplements if preg
* Report abnormal bleeding

A

Iodine

33
Q

Use: Prep for thyroidectomy, thyrotoxic crisis, hyperthyroidism, & thyroid storm

Route: PO

Side effects:
* N/V/D/H
* Vertigo
* Rash, alopecia
* Jaundice
* Liver failure
* Death

Nursing consideration:
* Assess for weight loss, fever, constipation, & weakness
* Monitor T4 (increases)

BBW: Hepatic disease, No breastfeeding

Education:
* Report redness, swelling, sore throat, mouth lesions, yellow skin/eyes, and dark stool/urine

A

Propylthiouracil (PTU)

34
Q

Inhibits the synthesis of the thyroid hormones

Used after course of PTU

Used w/ a Lugol solution & SSKI (5% iodine & 10% SSKI)

Some relief w/in 24hrs

Can cause discoloration to teeth & gastric upset

A

Iodides

35
Q

Beta-blocker

Affects heart & circulation (blood flow through arteries & veins)

Use:
* Tremors
* Angina, HTN, heart rhythm disorders
* Other heart/circulatory conditions

Side effects:
* Low HR & BP
* Lightheadedness
* Wheezing
* Liver problems

Nursing innterventions:
* Always take BP & HR before giving med

A

Propranolol (Inderal)

36
Q

Excessive cortisol

Hypersecretion of the adrenal cortex resulting in production of excess amounts of corticosteroids

Causes:
* Endogenous - Pituitary tumor/ Adrenal tumor
* Exogenous - Prolonged admin. of high dose corticosteroids

S/s:
* Moon face, Buffalo hump
* Trucal obestiy, purple straie on abd., breast, or butt
* Hypokalemia, hyperglycemia, poor wound healing
* HTN

Tx/ interventions:
* Drug therapy: Mitotane, Metyrapone
* Radiation: Internally/Externally, destroys tissue
* Surgery: Transsphenodial hypophysectomy (pituitary gland), Adrenalectomy (adrenal tumor)
* Vitals & labs
* Skin assessment
* Educate on wearing a medical band
* Monitor for SI
* Caution on long term use of some herbs (celery, juniper, licorice, & parsley - Causes hypokalemia)

A

Cushings syndrome

37
Q

What labs/tests can you use to Dx Cushings syndrome?

A

Labs:
* Plasma cortisol levels (High)
* ACTH (high)

Tests:
* Xray
* CT, MRI
* Angiography

38
Q

What patient education would be provided for a Pt Dx w/ Cushings syndrome?

A

Do not blow nose (after surgery)

Monitor bleeding

Wound care (packing)

S/s of infection (Smell breath & packing if drainage)

39
Q

What surgical intervention willl occur if their is a pituitary tumor causing Cushings disease?

A

Transsphenoidal microsurgery

40
Q

Removal of adrenal glans

Post-op care:
* Admit to ICU
* Monitor vitals for s/s of shock
* monitor kidneys & strick I/Os
* Give vasopressor to decrease BP & HR

A

Adrenalectomy

41
Q

Destructive disease process affecting adrenal glands that cause deficiencies of cortisol & aldosterone
* Most common cause is auto immune (adrenal tissue destroed by antibodies formed by immune system)

Secondary adrenal insufficiency is the result of the hypothalamus or pituitary which caused decreased androgen & cortisol production
* Include oituitary tumors, radiation therapy, ect

S/s:
* Orthostatic hypotension
* Skin hyperpigmentation
* Hypoglycemia, hyponatermia, hyperkalemia
* Severe headaches, abd. pain, joint pain
* Wight loss, weakness/fatigue
* Salt cravings

Interventions/Tx:
* Restore fluids/ electrolytes
* Low K diet, high Na diet
* Replace adrenal hormone (Hydrocortisol)
* Assess for addisons crisis
* Carry medical kit & 100mg od IM hydrocortisone/dexamethasone
* Take meds as ordered
* Educate on life long therapy & monitoring

A

Addisons Disease (Adrenal Hypofunction of pituitary)

42
Q

Life threatening emergency caused by insuffieicient adrenocortical hormones / sudden sharp drop in hormones

S/s:
* hypotension
* Tachycardia
* Dehydration (N/V)
* High temp
* Cyanosis
* Progresses to vasomotor collapse/ possible death

Interventions/Tx:
* IV fluids (Isotonic/ Hypertonic/ D5LR)
* Hydrocortisone
* Electrolyes
* Dextrose to restore normal BP

A

Addisons crisis

43
Q

What electrolyte imbalances occur w/ Addisons disease?

A

Hypercalemia

Hyperkalemia

Hyponatremia

Hypoglycemia

Tip: Hyper before Hypo

44
Q

What electrolyte imbalances occur w/ Cushings disease?

A

Hypocalemia

Hypokalemia

Hypernatremia

Hyperglycemia

Tip: Hypo before Hyper

45
Q

Steroid - PO/IV/IM

Use:
* Severe inflammation, UC
* Adrenal Insufficiency, COPD

Side effects:
* Depression, mood changes
* Flushing, Increased appetite
* HF, HTN

Interventions:
* Vitals & labs (CBC,BMP)
* Monitor for depression

A

Hydrocortisone

46
Q

Steroid - PO

Use:
* Adrenal insufficiency
* Addisons Disease

Side effects:
* Flushing, sweating
* Seizures, HTN
* Tachycardia, hyperglycemia

Interventions:
* Daily weight
* Vitals & labs (CBC, BMP)

A

Florinef (Flurocortisone)

47
Q

Interferes w/ cortisone production

Cytotoxic substance that is used as a palliative treatment for inoperable

Use: Cushings diease

A

Mitotane (Lysodren)

48
Q

Used in combination w/ mitotane for enchanced effects

Use: Cushings disease

A

Metyrapone (Metopirone)

49
Q

What are the 2 types of hypothyroid?

A

Cretinism:
* Congenital hypothyroidism
* 1/4000 births

Myxedema:
* Denotes severe hypothyroidism in adultes
* Includes: Edema, to hands/face/feet/eye area (periorbital)

50
Q

What are some interventions/ education for a Pt who is post-op from a thyroidectomy?

A

Voice may be hoarse for 48hrs

Turn neck slowly, Semi- fowlers position to enhance RR & decrease edema

Monitor incision site, labs, & vitals

Assess for hypocalcemia:
* Chvostek/trousseau
* Laryngospasm (most critical)
* Tetany, numbness/tingling in fingers/toes

Assess for hemorrhage, resp. distress, & thyroid storm

Lifelong thyroid replacement

Assess resp. status

51
Q

Inhibits synthesis of thyroid storm by decreasing iodine use in manufacture of thyroglobulin & iodothyronine

Use: Hyperthyroidism

Side effects:
* Drowsiness
* N/D/H
* Enlarged thyroid
* Jaundice (adverse)
* Hepatitis, nephritis (adverse)
* Bone marrow supression (adverse)
* Thrombocytopenia (adverse)

Interventions/education:
* Assess for S/s of hypothyroism
* Monitor vitals & labs (liver function, T3/T4, TSH)
* Daily weight/ monitor weight
* Do not breast feed
* Take as prescribed, DO NOT double dose

A

Methimazole (Tapazole)

52
Q

Done before each radial artery puncture to ensure adequate collateral circulation
* Does not happen if other blood supply is not accurate

How to perform:
* Occlude radial & unlar arteries & have pt make a fist
* Maintain pressure on arteries and have pt open hand
* Release pressure on ulnar side
* Hand is pale is occlusion, color restored if adequate circulation

Blood sample drawn from radial artery after positive test result

A

Allen test

53
Q

Used to liquiefy & metabolize resp. secretions & deliver medications

Suspend liquid particles of bronchodilators or inactive fluids such as water or saline delivered by a nebulizer

A

Areosol therapy

54
Q

Delivers humidifies aersol through large tubing, which may be connected to an O2 mask or hand held device

Have patient sit up right and slowly inhale deeply, hold breath briefly, & exhale slowly

Pt may require deep breathing & coughing tech, postural drainage, suctioning or a combination of these tech to clear the secretions

A

Nebulizer

55
Q

Fits around the face & directly into the nares by 2 prongs

Low flow O2 1-6L/ min

FiO2: 0.24-0.40 (24-40% O2)

A

Nasal Canula

56
Q

FiO2: 0.35-0.55 (35-55% O2)

Flow rate: 6-10L/ min
* Min flow rate of 6L/min is necessary to prevent any chance of CO2 build up from occuring

A

Simple O2 mask

57
Q

FiO2: 0.7 (70%)

Specific flowmeter setting for desired FiO2

A

Ventimask / Venturi mask

58
Q

What are some interventions for airway obstruction?

A

Admin antimicrobuals, decongestant, & expectorants as ordered

Deep breathing, & a good cough to break up secretions
* Antitussive medications can be given if pt become fatigue by coughing
* Pts w/ weak cough may need suctioned

Encourage position change Q2h to help mobilize secretions

Chest physiotherapy, aerosol therapy

Provide tissue & a receptable for disposal of secretions
* Note amount, color, consistancy

Auscultate lung sounds frequently to assess interventions

59
Q

How do you assess gas exchange?

A

Monitor vitals, lung sounds, & skin assessment

Alert for S/s of hypoxemia:
* Restlessness, tachycardia, tachypnea

ABG meaures, report abnormalities to HCP

Monitor hemoglobin (Hgb)
* low levels indicate reduced O2-carrying capacity of RBCs

Elevate HOB, maintain O2 therapy as ordered

Semi-fowlers to decrease pressure of abd. organs on diaphram so pt can breath easier

60
Q

What are some interventions for a pt who is fatigues & dyspnic?

A

Restrict activity for pt w/ pneumonia
* Ranges from complete bed rest to limited activity

Organize care to prevent overtiring & allow period of uninterrupted rests

Provide assistance as needed (ADLs) until pt can do them on own, evaluate tolorance of ADL

Keep converations short & encourage visitor to not tire pt

61
Q

What are some interventions for inadequate nutrition?

A

Assess clients usual dietary habits to provide baseline information
* Individualize diet

Monitor weight same time every day before breakfast using the same scale

Monitor albumin, electrolyes, glucose, & BUN/Cr to detect inadequate nutrition

62
Q

What is the typical diet for a Pt w/ pneumonia & what interventions would you implement?

A

Diet: High protien, soft diet

Interventions:
* Provide diet as ordered
* Document intake
* Assess w/ feeding if needed
* Provide oral care before & after meals
* Elevate HOB
* Arrange tray in attractive & convenient manner
* If O2 required, apply NC
* If fatigued easily, do frequant small meal

63
Q

T/F - Iodized salt is the best way to obtain adequate amounts of Iodine in the diet of someone Dx w/ hyperthyroidim

A

True

64
Q

Characterized by excessive output of dilute urine

Classified as:
* Nephrotoxic - Inherited defect in which renal tubules of kidney do not respond to ADH, resulting inadequate water reabsorption by kidneys

  • Neurologic (central / hypothalamic) - Can result from hypothalamic tumors, head trauma, infection, surgical procedures (hypophysectomy) or metataic tumors originating in lungs. Triggered by CVA, aneurysm, or intracranial hemorrhage
  • Dipsogenic - Disorder of thirst timulation. When pt ingests water, serum osmolality decreases causing reduced vasopressin secretion. Other factors are associated by habitual water intake/ psych. conditions
A

Diabetes Insipidus (DI)

Term 4 (PN) (10 decks)

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