Test 2 Flashcards

(160 cards)

1
Q

Water body uses

A

Transport nutrients
Regulates temperatures
Lubricates membranes
Facilitates digestion

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2
Q

How much water do you need a day

A

1.5-2.5 liters
Makes up 50-60% of our body

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3
Q

Sensible water loss

A

Can measure
Urine, feces, wound drainage

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4
Q

Insensible water loss

A

Hard to measure
Breathing in your lungs, sweating, GI secretions

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5
Q

Extracellular fluid distribution

A

Intravascular fluid - liquid part of blood
Interstitial fluid - btwn cells and blood vessels
Transcellular fluid- cerebrospinal, peritoneal

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6
Q

Most abundant electrolytes in

A

Extra- sodium
Infra- potassium

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7
Q

Active transport

A

How cells maintain high intercellular concentration

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8
Q

Diffusion

A

Passive movement of electrolytes down a concentration gradient: ex: exchange o2 and co2 in lungs

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9
Q

Osmosis

A

Water moves across cell membranes

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10
Q

Osmolality

A

Concentration of particles in a solution

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11
Q

What regulates fluid

A

Kidneys
Heart
Lungs
Brain

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12
Q

Normal excretion of kidneys

A

30 ml an hour

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13
Q

Filtration

A

Moving fluid in and out of capillaries (like in the kidneys)

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14
Q

Hydrostatic pressure

A

Force of fluid pressing outward against a surface. Happening inside cells

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15
Q

Isotonic fluid

A

Same osmolality of blood plasma. Saline, LR.

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16
Q

Hypotonic solution

A

More dilute than blood

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17
Q

Hypertonic solution

A

More concentrated than blood

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18
Q

Disturbances in fluid and electrolytes

A

Fluid imbalances:
Dehydration
Hypovolemia
Hyperbole is

Electrolyte imbalance

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19
Q

Hypovolemia

A

Fluid volume deficit — when loss of extra cellular fluid volume exceeds the intake of fluid

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20
Q

Hypovolemia causes

A

Insensible water loss or perspiration- fever, heatstroke
Diseases that causes increased urinariin
Diuretic therapy, laxative use
Hemorrhage
GI Loss, NG drainage, diarrhea, fistula drainage, vomiting
Third space shifting- burns, intestinal obstruction

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21
Q

Hypovolemia signs and symptoms

A

Deterioration of mental status
Thirst, dry mouth
Tachycardia, absent pulses
Poor skin turger, decreased cap refill
Orthostatuc hypotension - dizzy when standing
Flat jugular veins
Decreased urinary output
Weight loss
Cool, pale skin

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22
Q

Nursing process of hypovolemia

A

Asses vs and loc
Asses skin forgot
Assess moisture of oral cavity
Encourage fluids
Monitor i&o
Daily weights
Treat underlying cause
Isotonic fkuids
Education

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23
Q

Hypervolemia

A

Excessive retention of water and sodium in ECF in near equal proportions

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24
Q

Causes of hypervolemia

A

Congestive heart failure and renal failure

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25
Hypervolemia signs and symptoms
Rapid weight gain Rapid bounding pulse Distended hand and neck veins (JVD) Increased BP Edema Pulmonary edema (crackles) Dyspnea (shortness of breath)
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Nursing process of hypervolemia
Asses VS and loc Asses breath and respiratory sounds Assess for edema Strict i&o daily weights
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Treatment of hypovolemia
Expand intravasculer volume .9% normal saline
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Treatment of hypervolemia
Water restriction Treat medical condition Hemodialysis
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Isotonic fluid
A solution with the same similarity as blood plasma Expands extracellular only - fluid replacement No fluid shifting .9% NaCl (saline) (too much can elevate Na and Cl levels) LR
30
Hypotonic fluid replacement
Has less of a allure concentration than other fluid (lower osmotic pressure) Provides more water than electrolytes (good for dehydration) Dilutes ECF - fluid moves from ECF to ICF .45 and .33% NaCl
31
Hypertonic fluid replacements
Fluid that has more of a solute concentration than another fluid - higher osmotic pressure Expands ECF and draws fluid from ICf (causes cells to shrink) Dextrose 5% in LR Dextrose 5% in .9% saline
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Sodium normal value
135-145 mEq/l
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How is sodium regulated
By GI system and skin
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What does sodium do
Maintains fluid balance and transmits impulses in nerve and muscle
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Symptoms of hyponatremia
Decreased loc Twitching, tremors, weakness Cool pale skin Tachycardia Abdominal cramping
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Cause of hyponatremia
Loss of sodium or gain of too much water from vomiting, diarrhea, fistulas, swearing or a result of the use of diuretics
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Nursing interventions if hyponatremia
Safety precautions, i&o, daily weights, assess skin turgor
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Hypernatremia and symptoms
Too much sodium Twitching, tremors Restlessness, irritability Intense thirst Pulmonary and peripheral edema
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Causes of hypernatremia
Decreased fluid intake (elderly, ill) Water loss: diuretic excess, fever, heat stroke, diarrhea, burn patients
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Nursing intervention for hypernatremia
Decrease sodium intake, monitor output, i&o, daily weights
41
Potassium normal level
3.5-5.0 mEq/L
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What does potassium do
Regulates cells electrical neutrality, aided neuromuscular transmission of nerve impulses, assists with skeletal and cardiac muscle contraction
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Hypokalemia symptoms
Skeletal muscle weakness, diminished deep tendon reflexes Uwave, EKG changes Constipation, Ileus Toxic effects of digoxin (heart med) Irregular pulse Numbness
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Causes for hypokalemia
GI losses- vomiting, diarrhea, gastric suction Renal lossses - diuretics
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Nursing intervention for hypokalemia
Administer k+ supplements: oral or IV, educator about high k+ foods, dried fruit, bananas, orange juice and apricots
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Hyperkalemia
Tall peaked twave Weak lower extremities Anxiety and irritability V fib and dysrhythmias EKG changes
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Causes of hyperkalemia
Renal failure Excess k+ intake Taking excess k+ and receiving k+ sparing diuretics
48
Nursing intervention for hyperkalemia
Limit oral k+ intake, administer kayexalate
49
Calcium normal levels
8.9-10.5
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Use of calcium
Inverse relationship with phosphorus Provides rigidity and strength to bones and teeth Necessary for neuromuscular activity
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Hypocalcemis a symptoms
Twitching to face (chvosteks sign) EKG changes (v-tach) Trousseau’s sign Anxiety an confusion Numbness to extremities and mouth Laryngeal spasms
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Caused of hypocalcemia
Inadequate calcium intake, excessive calcium loss, impaired absorption
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Nursing intervention for hypocalcemia
Encourage diet high in calcium and vitamin d, admin phosphate binding antacids, administer calcium gluconate
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Hypercalcemia symptoms
“Moans, groans, stone, and bones”
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Causes of hypercalcemia
Metastatic disease of bone Jyperpsrsthyroidisn
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Nursing interventions for hypercslcemia
Administer fluids to decrease risk of renal stones and cinstipation Limit intake of calcium Encourage hydration Life threatening levels desire dialysis
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Magnesium normal skiing
1.3-2.1 meq/l
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Use of magnesium
AIDS in neuromuscular activity
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Symptoms of hypomagnesemia
Irritates CNs- confusion Respiratory muscle labored Rapid heart rate Irritates myocardium Three T’s (twitching tremors and tetany) Anorexua Trousseaus and chcosteks sign EKG changes
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Causes for hypomagnesemia
Ng suction Diarrhea Burn patients Alcoholism Sepsis
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Nursing interventions for hypomagnesemia
Administer supplements Diet Iv mag Monitor for hypotension, cardiac or respiratory arrrst
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Symptoms of hypermagnesemia
Slow shallow respirations Lethargy to coma Out of steam Weak pulse and decreased cardiac function
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Causes of hypermagnesemia
Renal failure
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Nursing interventions of hypermagnesemia
Iv fluids Restrict mag foods and drugs Administer calcium gluconate
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Phosphorous normal range
2.5-4.5 mg/dl
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Phosphorous uses
I’m verse relationship with calcium Neuromuscular activity (contraction of muscles, maintaining the regularity of the heartbeat, and nerve conduction)
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Symptoms of hypophosphatemia
Lethargy and confusion Osteomalacia and rhabdomyolysis Weak muscles (resp heart and body)
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Causes of hypophosphatemia
Absorption issues alcoholism Malnutrition Diuretic stage
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Nursing interventions for hypophosphatemia
Iv Or oral supplements Diet
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Symptoms of hyperphosphatemia
Decreased mental status Anorexus Neuromuscular irritability Chvosteks and trousseaus sign Extremity tingling
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Causes of hyperphosphatemia
Chronic renal failure Hypoparathyroidism
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Nursing interventions for hyperphosphatemia
Restrict phos containing foods (meat and milk) Admin phosphate binding antacids metal tails Diuretics to promote excretion.
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Chloride range
98-108 meq/l
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Symptoms of hypochloremia
Seizures, coma Muscle cramps Arrhythmias Respiratory arrest Twitching, tetany
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Causes of hypochloremia
Gi losses Ng suction and draining Burns Diuretic therapy
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Nursing interventions for hypochloremia
Monitor loc and vitals Admin chloride replacement via oral or iv
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Symptoms of hyperchloremia
Weakness Active heart Lethargy Coma
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Causes of hyperchloremia
Hypernatremia Increased retention by the kidneys
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Nursing interventions for hyperchloremia
Monitor I&O Monitor vitals
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Relevant labs for fluid loss and retention
CBC BMP Bun and creatine
81
Critical thinking
A systematic and logical thought process Using reflection inquiry and exploration to make informed decisions Used both outside and inside of the clinical setting Not accepting information at face value
82
Clinical reasoning
Ways of thinking about patient care issues Determining, preventing and managing patient problems
83
Clinical judgement
The result of critical thinking it clinical reasoning Observe and assess presenting situations, identify and priorities client concerns, generate best possible evidence based solutions in order to deliver safe client care
84
Basic level of critical thinking
A nurse trusts that expects have the right answer; concrete thinking based on rules
85
Complex level of critical thinking
The nurse begins to express autonomy by analyzing and examining data to determine the best alternative
86
Commitment level of critical thinking
The nurse expects to make choices without help from others and fully assume the responsibility for those choices
87
Tanners clinical judgment model
Impact of nurses knowledge experience and values in assessment and action Importance of knowing patients and their perspectives Influence of context and culture in situations Recognition of use of various reasoning patterns Importance of reflection
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Steps of tanners cjm core elements
Noticing Interpreting Responding Reflecting
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90
Noticing step of cjm
Initially grasp and perceptions of the situation that are impacted by conext, the nurses practical experience, knowledge of expected versus unexpected data, ethical perspectives and the nurse patient relationship
91
Examples of noticing
Focused observation Recognizing deviations from expected patterns Information seeking
92
Interpreting step of cjm
Attributing meaning to the data thoroughly multiple reasoning patterns
93
Components of interpreting
Prioritizing data Making ends of data Develop plan for intervention
94
Responding step of cjm
Deciding on an sanction or inaction and monitoring patterns
95
Components of responding
Use of calm confident demeanor Clear communication Well planned interventions Showing mastery of skills
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Reflecting step of cjm
In action and on action
97
Components of reflecting
In action: occurs while actively engaged in a situation On action: occurs in debriefing after the situation
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Maslows hierarchy of need
Physiological Safety Love Esteem Self actualization
99
Abcde approach
Airway Breathing Circulation Disability Exposure
100
Safety and risk reduction
Priority on the situation or factor that places the client at the highest safety risk Consider which problem poses the greatest risk to the pt
101
Least restrictive/least invasive
Interventions are selected that maintain client safety while producing the least amount of restriction to the client
102
Acute cs chronic
Acute - manifestations are severe, appear suddenly and can worsen rapidly Chronic- last a year or more and require ongoing medical attention and or impact ADL
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Unstable vs stable
Unstable client has experienced an axute change in condition vs a stable client has a condition that changes little over time
104
Urgent vs non urgent
Interventions need to be made quickly vs low risk needs that do not require immediate attention
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Time management for nurses
Plan Lists Prioritize Factor in for interruptions Organize your workspace Delegate safely Say no Take care of self
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What cannot be delegated
Clinical reasonin/judgement
107
Gibbs model of reflection
Description Feeelings Evaluation Analysis Conclusions (general then specific) Personal action plan
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Critical reflection through critical incident analysis
Self awareness and reflection
109
What allergies must be assessed before inserting a catheter?
Latex Iodine Shellfish
110
Goals of client education
Promoting health Preventing illness Restoring health Facilitating coping
111
Knowledge domain
Leaning and comprehending new knowledge Using new info and applying Browning down and organizing info Using knowledge for new outcome Determining effectiveness
112
Strategies for cognitive domain
Lecture discussion Question and answers Audiovisual materials
113
Affective domain
Involves feeling beliefs and values Valuing the content and believing its worth learning
114
Teaching strategies of affective domain
Role play and role modeling Discussion
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Psychomotor domain
Physical and mental activities required to learn skills Observing, doing with help, doing independently, doing independently without error, incorporation into daily routine
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Teaching strategies of psychomotor domain
Demonstration Return demonstration Games
117
Knowles fundamental principles of learning
Relevance Self directed Life experience Readiness Task centered Motivation
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When is teach back particularly important
Persons with difficulty reading and comprehending written material or esl
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Strategies of teach back method
Determine reading level prior to any written handouts Let patient know in advance you will be asking to evaluate how your taught Ask how they best learn Review materials to reinforce If patients cannot remember: 1) clarify 2) allow them to teach back again Reinforce teach back method until they can describe in their own words
120
Factors that impact patients learning
Age and development Family support network and financial resources Culture influences and language deficits Health literacy (ask me 3)
121
Ask me three
What’s my main problem What do I need to do Why is it important for me to do this
122
What to asses before teaching
Knowledge skills and attitude Readiness to learn Ability to learn Learning strengths
123
Rest
Condition in which the body is in a decreased state of activity with the consequent feeling of being refreshed
124
Sleep
A state of rest accompanied. Y altered consciousness and relative inactivity
125
RAS
Reticular activating system is in the brain stream and is responsible for maintaining alertness and sensoristasus
126
Diancephalon and sleep
Thalamus Hypothalamus Pineal gland
127
Thalamus and sleep
Process sensory info and regulate sleep
128
Hypothalamus and sleep
Autonomic nervous system, releases hormones, regulates body temp, circadian rhythm
129
Pineal gland and sleep
Melatonin (sleep hormone)
130
Stages of sleep
NREM 1, 2, 3, and REM
131
How many time a night will someone go through the sleep cycle
4-5, each cycle lasting 90-100 minutes Stage 1, stage 2, stage 3 (deep sleep), stage 2, rem…
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NREM sleep stage 1
Transition stage between wakefulness and sleep, decreased awareness of surrounding Normally lasts only minutes Relaxed state but still somewhat aware of surroundings Involuntary muscle jerking may occur Person easily sroused
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NREM sleep stage 2
Deeper stage 25 min long Increased relaxation More challenging to wake Decreased heart rate
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NREM sleep stage 3
Depth of sleep increased and aeousal becomes increasingly difficult Slow delta wave sleep Pulse and respirations at lowest rate, Bp decreases, muscles relax, metabolism slows, low body temp Immune system, muscles, bones, tissue repair and strengthen
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REM sleep
Eyes dart back and forth Vivid dreams Most difficult to arouse Large muscle immobility, resembling paralysis Varying vital signs Cognitive restoration (short to long term memory) Fewer REM as people age
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Impact of insufficient sleep
Impaired judgment, decreased response time, trigger seizure disorders, migraine and tension headaches In children: growth and development, performance deficits and behavioral problems
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Why is there an increased risk for obesity with insufficient sleep
Increase in ghrelin and decrease in leptin
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What can working night shift do
Anxiety, personal conflict, loneliness, depression, ginsymptoms Increased risk for diabetes, hypertension, heart disease, and substance abuse, Decreased reaction time
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Insomnia
Difficulty falling Wessex intermittent sleep, or difficulty maintaining sleep despite adequate opportunity and circumstances to sleep May be axute or chronic
141
How many adults in the us complain of insomnia
30-35%
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Increased prevalence of insomnia in…
Women and older adults
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Symptoms of insomnia
Tired, lethargic, and irritable during the day difficulty concentrating Older adults experiencing insomnia in acute care setting have an increased risk for delirium
144
Obstructive sleep apnea
Muscles at back of throat relax during sleep; those muscles that support the soft palate, uvula, tonsils, other structures at back of throat Airway narrows or closes and breath stops for 10 seconds or more. O2 drops
145
Risk factors for obstructive sleep apnea
Age Excess weight Large neck size Make Family history sedative use Smoking
146
Complications of obstructive sleep apnea
Daytime fatigue, high Bp, heart disease, type 2 diabetes, metabolic syndrome, complications with anesthesia, increased risk of sudden cardiac death and stroke
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Diagnoses and treatment for OSA
Polysomnography Cpap or bipap (continuous or bilevel positive airway pressure) Oral applications Side lying sleep position or elevation Wright loss Limit ETOH consumption Surgery
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Idiopathic hypersomnolence disorder
Excessive daytime sleepiness lasting ad least three months and impairs social and vocational activities
149
Narcolepsy
Sudden attacks of sleep that are often uncontrollable Up to 70% also experience cataplexy (sudden involuntary loss of skeletal muscle tone for seconds to minutes)
150
Circadian rhythm sleep wake disorders
Chronic or recurrent pattern of sleep wake rhythm disruption
151
Primary causes of circadian rhythm sleep wake disorders
Alteration in the circadian rhythm or misalighnment between the internal circadian rhythm and the sleep wake schedule desired or required Sleep wake disturbance (insomnia or excessive sleepiness) Associated distress or impairment lasting for a period of at least 3 months Most common in shift work disorder and jet lag
152
Parasomnias
Somnambulism REM sleep behavior disorder Night terrors Nightmare disorder Sleep ensures us Sleep related eating disorder
153
Restless leg syndrome
Aka Willis ekbom disease Affects up to 15% of pop, mostly middle aged and older Cannot lie stile and reports unpleasant creeping or tingling in legs
154
Treatments to RLS
Nonpharmacologix treatments Avoid caffeine, etoh, and nicotine
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Sleep assessment
Usual sleep wake patter and recent changes Sleep study/ EEG Use of sleep aids Sleep disturbances and contributing factors Observations (energy’, facial characteristics, behavior, obesity)
156
Nursing diagnoses for sleep
Sleep pattern disturbance Fatigue Risk for injury Ineffective coping Disturbed sensory perception Anxiety Acute confusion
157
Nonpharmacologix interventions for sleep issues
Eliminate caffeine, nicotine, alcohol and heavy meals before bedtime (at least four hours) Exercise but also at least 2. Hours before bedtime Remove unnecessary light or noise Cool room Avoid stimulation before bedtime Regular bedtime and routine No screens in bedroom Complementary therapies
158
Nonpharm sleep interventions in hospital
Bedtime snacks Darken room White noise Close door Regulate hallway noise Offering of self Hand masssage Schedule nursing care to avoid disturbances
159
Pharm sleep interventions
Benzo such as lorazepam (Ativan) -cause drowsiness, relax muscles, lessen anxiety -cause retrograde amnesia -not recommended for long term use Non benzos -zoloidem(ambien), eszipiclone, zaleplon May cause gi discomfort, memory loss hallucinations
160
OTC pharm interventions for sleep disorders
Melatonin (made by pineal gland naturally, cost effective, comes in ER, few known side effects) Herbal therapies (chamomile, valerian, passionflower, skull cap)