Neurological Conditions Flashcards

1
Q

Increased Intracranial Pressure

A

Swelling of the brain, you would see an increased BP, decreased MAP, slow breathing

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2
Q

What are the layers of the meninges?

A

Dura Mater: outer layer, tough, thick, and firbous
arachnoid: thin, intermediate layer
pia matter: delicate, internal, vasculated layer

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3
Q

Cerebral Spinal Fluid

A

Located between the arachnoid and pia matter
Cushions the brain and spinal cord
Constantly absorbed and replenished
Normal amount is 100-150 mL

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4
Q

What is the Monroe-Kellie Hypothesis?

A

Cerebral spinal fluid, intravascular blood, and brain tissue must all exist in equilibrium. If there is a change in any of these, it will result in IIP.

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5
Q

What is normal ICP?

A

5-15 mmHg

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6
Q

At what level will ICP require treatment?

A

> 20 mmHg

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7
Q

What does the MAP tell us?

A

It is the average measurement of the systemic arterial pressure. Reflects the perfusion pressure. It is a better indicator for perfusion than the systolic BP.

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8
Q

What is the normal MAP value?

A

65-105 mmHg`

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9
Q

At what level MAP is perfusion to vital organs severely jeprodized?

A

<50 mmHg

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10
Q

How to calculate MAP?

A

Systolic BP + 2(Diastolic BP)/3

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11
Q

What is cerebral perfusion pressure (CPP)?

A

The pressure required for the heart to supply blood to the brain
Increased ICP leads to decreased CPP and decreased blood flow to the brain

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12
Q

How do you calculate the CPP?

A

MAP-ICP

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13
Q

What is normal CPP?

A

50-100 mmHg

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14
Q

What level CPP will cause irreversible neurologic damage?

A

<50 mmHg

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15
Q

What causes IIP?

A
  • intracranial mass lesions (tumors)
  • cerebral edema
  • increased CSF production
  • decreased CSF absorption
  • obstructive hydrocephalus
  • obstruction of venous outflow
  • idopathic ICH
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16
Q

Cushing’s Triad

A

CNS Ischemic response reflex, initiated by hypothalmus

  • HTN
  • bradycardia because of compression of vegas nerve
  • bradypnea because of compression of brain stem
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17
Q

IIP Clinical Manifestations

A

ALOC - most sensitive indicator
-headache, drowsiness, pupillary changes, widening pulse pressure, purposeless movements, hyperthermia (late stage), posturing

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18
Q

Decorticate Posturing

A

Limbs pulled towards core. Lesions above brainstem

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19
Q

Decerebrate Posturing

A

Lesions of the brain stem

Limbs extended and rigid.

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20
Q

IIP Diagnostic Tests

A

During physical exam check pupils - they will be dilated
Spinal Tap - after spinal tap lay flat on back for 4-6 hours
MRI
CT Scan

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21
Q

Mannitol

A

Osmotic Diuretic, pulls h2O out of brain. It begins to lower ICP in 1-5 minutes. Measure I&O while on it - normal urine 30 mL/hour
Thins blood
Starting dose 1.5-2 g/kg IV infusion

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22
Q

IIP Management

A

Keep O2 sat above 95, continuous pulse ox
Monitor fluid so BP doesnt drop too low
Keep head of bed at atleast 30 degrees to maximize venous outflow
Thermoregulation - no fever because it increases ICP. Shivering also inreases ICP
Stool Softner
Anti-Seizure medication

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23
Q

IIP Surgical Management

A
  • Evacuation of blood clot
  • Resection of a tumor
  • CSF diversion: ventriculostomy drain 1-2 mL
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24
Q

Traumatic Brain Injury

A

Injury resulting from external force
Primary: direct result from mechanical injury at time of accident
Secondary: physiologic response to the initial injury

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25
What are types of penetrating injuries
open head wound, focal damage around injury site, skull fractures, lacerations
26
What are types of non-penetrating injuries?
closed injuries. Concussion, contusions
27
Types of skull fractures
Open facture: scalp open Closed fracture: scalp closed, could be depressed Basal: most serious, effects base of skull. CSF drainage
28
What is a coup and countre coup injury?
Head hits front of skull and then rebounds and hits the back. Common in car accidents
29
What is a laceration head injury?
Tears in brain tissue or blood vessels of brain. It can cause destruction of brain tissue and increased ICP. Most common result of bullet/stab
30
Diffuse Axonal Injury
most intense traumatic shearing forces lead to tearing of nerve fibers in the white matter. Caused by shaking or strong rotation of the head by physical forces
31
Secondary Traumatic Brain Injury
Ischemia, hypoxia, hypotension/HTN, cerebral edema, IICP, hypercapnia, meningitis, epilepsy, biochemical changes
32
TBI Clinical Manifestations
headache, memory problems, blurred vision, dizziness/fatigue, sleeping difficulties serious: persistent headache, profound confusion, slurred speech, seizure, coma
33
Neurological/Musculoskeletal Assessment
Pupillary, check for consensual and accomodation Check mental status Check or sensory function like stergonosis (tell you what hand an item is in), facial movements, light touch (with cotton ball), graphesthesia (describe what is in hand ROM (active - no help passive - with help) Romberg test (look for sway) Tandem (walk heel to toe)
34
What is a concussion?
Most common and least serious TBI. Low velocity injury resulting in functional deficits without pathological injury.
35
What is the best possible Glasgow Coma Score?
4 points - spontaneously opens eyes 5 points - oriented to time, place, and person 6 points - obeys commands
36
What criteria is considered a mild TBI?
13-15 Glasgow coma score | < 30 minutes loss of conscious or <24 hours amnesia, < or equal to 24 hours AOC
37
What criteria is considered a moderate TBI?
9-12 Glasgow coma score | > 30 minutes loss of consciousness, or > 24 hours amnesia, > 24 hours AOC
38
What criteria is considered a severe TBI?
3-8 Glasgow coma score | > 24 hours loss of conscious, >7 days amnesia, > 24 hours AOC
39
What Glasgow coma score is usually fatal?
3 or less
40
What are some diagnostic tests for TBI?
CT are done first, identify hemorrhage, bleeds in and around brain, blood flow, brain tissue swelling, and skull fractures MRI follows to confirm which part of brain is affected and how severe. Can check microhemorrhage, brusing, gliosis, atrophy
41
What are the pharmacology options for TBI?
Osmotic diuretics, anticonvulsants, electrolytes, N-Methyl-D-Asparate Receptor agonist, stimulants, dopamine agonists, SSRI, Antipsychotic, muscle relaxer, pain relievers
42
What do osmotic diuretics do for TBI? What is an example?
Lower intracranial pressure by withdrawing water. Mannitol is an example. This is the most common drug used for TBI
43
What do anticonvulsants do? What are an example?
Prevent seizures because seizures increase ICP. Gabapentin - brand name neurontin
44
What do NMDA drugs do?
Prevent hyperactivity and secondary injury
45
What do barbiturates do? What is an example?
They are sedatives/anti-seizure. Phenobarbitol is an example.
46
What do calcium channel blockers do for TBI?
decrease blood pressure by preventing blood vessel spasm
47
What do dopamine agonist do for TBI? What are examples?
increase amount of dopamine. Improve alertness. Carbidopa, levidopa
48
What do SSRIs do? What is an example?
help with serotonin levels. Treat emotional distress. Prozac, floxitine, zoloft, celexa
49
What is a craniotomy?
Surgical opening into cranium
50
What is endoscopic ventricuolostomy
Drilling of a hole into fluid filled ventricle to rain it for pt. with hydrocephalus
51
What is Ventriculoperitoneal Shunt Surgery?
Shunt is put in ventricles to drain fluid into circulation - for hydrocephalus
52
What is a decompressive craniectomy?
For increased ICP. Remove a part of the skull so more area for brain to grow
53
What is a cranioplasty?
Repair of the skull
54
What is the most common complication of TBI?
Irritability
55
What are some nursing priorities for TBI?
Establish a baseline for the patien Airway/breathing (ABG's) vital signs - maintain CPP, Cushing's Triad Early detection of subtle changes, report small changes immediately Positioning Neurological examinatiosn *have suction ready at bedside incase of aspiration
56
What is complete spinal cord injury?
both sensory and motor functions are lost
57
What is an incomplete spinal cord injury?
some function remains
58
What is tetrapalegia/quadriplegia?
paralysis of arms and legs
59
What is paraplegia?
paralysis from waist down
60
what is hemiplegia?
paralysis on one side
61
what is triplegia?
paralysis of 3 limbs, one arm and both legs
62
What will an injury to cervical - neck, result in?
tetraplegia, quadriplegia. Most severe of spinal cord injuries
63
What will thoracic injury result in?
paraplegia
64
What will lumbar injury result in?
some loss of function in hips and legs. Will result in little or no voluntary control in bowel or bladder
65
What will sacral injury result in?
S1 - hips and groin S2 - back of thighs S3 - medial buttock S4-S5 - perineal
66
What are some risk factors for spinal cord injury?
male, age 16-30, alcohol use, risky behavior, some dseases
67
What is emergency care for spinal cord injury?
Cervical collar, back board
68
What are some medications for spinal cord injury?
pain relievers, muscle relaxer, corticosteroids
69
What are some surgical options for spinal cord injury?
craniotomy, decompressive laminectomy
70
What is the pathophysiology of a stroke?
blood flow to an area of the brain is cut off
71
What are some risk factors for a stroke?
> 65, men, HTN, DM, smoking
72
What is an ischemic stroke?
Caused by a clot/blockage to the brain. Can be transient, thrombotic, or embolic
73
What is a hemorraghic stroke?
Bleeding into brain. Artery into brain leaks blood or ruptures. Can be a intracerebral hemorrhage, or subarchnoid hemorrhage
74
What is the etiology of an ischemic stroke?
``` Arrythmia/heart valve disease/infection HBP, DM, HLD intracranial disease (chronic HTN) cancer, blood clotting disorder autoimmune disease sickle cell anemia HIV ```
75
What is a transient Ischemic attack?
a mini stroke. blood flow to the brain is blocked for only a short time. caused by blood clots. if not treated 10-15 % will have a major stroke within 3 months
76
What is a penumbra? How is it treated?
It is the reversibly damaged brain around the ischemic core. Survival depends on timely return of adequate circulation, degree of cerebral edema, alteractions in local blood flow Less than 4 hours after stroke symptoms start TPA.
77
What should TPA be started for a stroke?
Within 4 hours of stroke symptoms
78
What is the nursing goal of hemorrhagic stroke?
Maintain cerebral tissue perfusion
79
What is the etiology of hemorrhagic stroke?
HBP, CAD, brain aneurysm, heart defects/failure, arteriovenous malformation, bleeding disorders
80
What is an intercerebral hemorrhage?
bleeding within the brain, artery in brain bursts, flooding surrounding tissue with blood. most common
81
What is a subarachnoid hemorrhage?
bleeding into the spaces around the brain.
82
What are some risk factors for a stroke?
lack of excercise, sleep apnea, heavy alcohol, smoking/drugs, diabetes, cardiovascular disease, high cholesterol, HBP, obesity
83
What does BEFAST stand for?
balance - loss of balance, headache/dizziness eyes - sudden loss of vision in 1 or both eyes face - uneven arms - weakness speech - slurred time - act quickly, call 911
84
What are the types of aphasia?
Expressive Aphasia: Can't express self via any language (manual, written). Can understand. receptive aphasia: able to speak well, but what they say may not make sense anomic aphasia: can't remember writing/speaking global aphasia: all of the above
85
What care/assessments would you give to a person with a stroke?
``` neurologic assessment, vital signs, blood glucose, actual weight NIHSS, cardiac monitor STAT EKG, CBCD, PT, PTT, BMP, Troponin Brain CT w/o contrast IV access gauge 18 or 20 X 2 IV fluids - isotonic strict NPO ```
86
What is considered a severe stroke on the NIHSS scale?
score 21-42
87
What is considered a moderate/severe stroke on the NIHSS stroke scale?
16-20
88
What is considered a moderate stroke on the NIHSS stroke scale?
5-15
89
What is considered a minor stroke on the NIHSS stroke scale?
1-4
90
Stroke Pharmacology
Thrombolitics (TPA), blood thinners (anti-platelet, anticoagulants) BP lowering meds (ACE, ARB, B Blockers, Ca Channel blockers, diuretics) Cholesterol lowering medications (fibrates, niacin, resins, statins)
91
What is TPA?
"clot buster" AKA alteplase. Gold standard for ISCHEMIC stroke, contraindicated for hemorrhagic. Must lower SBP <185 and DBP <110 No major surgical procedures within 14 days
92
nursing management for stroke
``` maintain cerebral perfusion promote physical mobility promote self care promote verbal communication promote urinary and bowel elimination maintain safety ```
93
What is osteoporosis?
Chronic, progressive, metabolic bone disease resulting in decreased bone density. Bone reabsorption (osteoclast) exceeds bone deposition (osteoblast)
94
What do osteoclast do?
reabsorption
95
What do osteoblasts do?
laying of new bone
96
Does osteoporosis have symptoms?
Yes, but it's usually a silent disease | Symptoms are: height loss, dowager's hump, low back pain, fragility related fractures
97
What vitamin is deficient in osteoporsis?
vitamin D and calcium
98
What are risk factors for osteoprosis?
``` After 35 women disease: DM, HTN, kidney disease Lifestyle Smoking Excessive alcohol: slows osteoblast and liver dysfunction - liver imp. for activating Vit. D Diet low in Ca Excessive caffeine : increased urination of Ca and Vit D ```
99
What medications are a risk factor for osteoporosis
Corticosteroids - affect absorption of Ca and increase osteoclast Antiseizure drugs Aluminum coated antacids Excessive thyroid hormotes
100
What laboratory tests should be done for osteoporosis?
Serology - look for increased calcium and phosphorus
101
What imaging should be done for osteoporosis?
Bone Mineral Density - checks for thickness/solidity Quantitative US: looks for heel, shin, kneecap DEXA: measures hip, spine, forearm - more common
102
What medication would be prescribed for osteoporosis?
Bisphosphanates (fosamax) calcitonin (miacalcin) Calcium and vitamin D
103
What should you tell a patient taking Fosamax?
Take on an empty stomach, must stay standing for 30 min. Can cause esophageal erosion. Take with a full glass of water
104
What dose of calcium should a female/male take?
1000 mg female, after menopause 1200 | 1 g for men
105
What dose of vitamin D should a woman/man take?
600 mg, after menopause for women 800 mg
106
What is a vertebroplasty?
inject cement to relieve compression
107
What is a kyphoplasty?
More invasive. Cement and balloon inserted.
108
What is a good diet for someone with osteoporosis?
dairy, spinach, canned salmon, sardines
109
What are some preventive measures someone with osteoporsis can take?
Exercise - 30 min/day Heat therapy smoking cessation avoid alcohol
110
What are goals of patient care for someone with osteoporosis?
reduce bone loss | prevent fractures
111
what is osteoarthritis?
alteration of bone remodeling process. cartilage that cushions ends of bones wears down. Hands and weight bearing joints are effected. Caused idiopathic or secondary
112
OA clinical manifestations
pain with joint movement, stiffness, crepitus, hypertrophied joints, heberden's node, bouchard's node,
113
What is Herberden's node?
DIP - distal interphalangeal joints. Joints closest to tips of fingers.
114
What is Bouchard's node?
PIP. Proximal interphangeal joints.
115
OA risk factors
``` Over 55 BMP Repetitive stress Women obesity work related - poor posture genetic influences ```
116
OA Diagnostic studies - Labratory
synovial fluid - remains clear/yellow CRP increased ESR increased
117
OA diagnostic studies - imaging
XRAY: shows bone spur, narrowing MRI: involvement of soft tissue CT scan: confirm
118
OA Pharmacology
Acetominophen: 4g/4000 mg /day NSAID: watch for GI bleed COX-2-Inhibitor: newer NSAID, antirheumatic Corticosteroids: harmful effects on cartilege, only give 3-4 injections/year Topical NSAID: Icy hot Glucosimine, chondrotin: dietary supplement, decrease pain.
119
OA Collaberative interventions
activity/rest: rest joint during exhasberation orthoses assitive device: immobilizer TENS/heat therapy: neuro stimulation device Weight Management : most beneficial mind/body techniques PT Excercise
120
Joint Surgery potential complications
``` DVT Compartment Syndrome - very painful Infection Bleeding - monitor H&H dislocation - position properly, proper transfer ```
121
Post Op Nursing Care for OA - 5 P's
Neurovascular assessment - Monitor 5 P's pain, pressure, pulselessness, pallor, paresthesia, paralysis
122
Goals of PT care for osteoarthritis
manage pain/inflammation maintain/improve joint function prevent disability
123
What is Rheumatoid Arthritis?
Autoimmune disease marked by periods of remission/exaceration Effects small joints, synovial joint lining. Synovial fluid becomes inflammed
124
What is the pathophysiology of RA?
CD4 cells activate macrophages, macrophages activate WBC, pannus foramtion (abnormal accumulation of granular tissue)
125
What are the joint manifestations of RA? Extracellular?
boutonniere, ulnar deviation, swan neck. rehumatoid nodules, sjogren's syndrome, felty syndrome
126
What are the symptoms of sjogren's syndrome?
dry mouth, increased tooth decay, dry eyes
127
RA clinical manifestations
Early stage: paraesthesia, anorexia, night sweats, weakness, warm/swollen/painful joints, mild/moderate pain Late stage: joint stiffness, atrophy, chronic pain, multiple organ involvement
128
RA Labratory Test
``` Rheumatoid Factor - increased CBC- WBC increased ANA: positive Anti-CCP antibodies - positive Synovial Fluid: cloudy ```
129
What is a good diet for someone with RA?
cardiac diet, low cholesterol, low sodium
130
RA pharmacology
NSAID, corticosteroids for acute exacerbation, DMARDS
131
What are some examples of disease modifying anti-rheumatic drugs (DMARDS)
methotrexate etanercept - embril hydroxychlorquine - planquile
132
RA surgical management
arthodesis: fusion of 2 or more bones in a joint synovectomy: removal of synovial lining in a joint *treat with rest, compression, elevation
133
What is Gout?
inflammatory joint disorder resulting from deposition of uric acid crystals in joints caused by increase of uric acid production & under excretion of uric acid by the kidneys. Predispose patient to kidney disease
134
Stage 1 Gout
Hyperuricemia Asymptomatic Uric Acid present/elevated
135
Stage 2 gout
acute gouty arthritis sudden: pain/swelling can heal on own uric acid high
136
Stage 3 gout
intercritical Gout accumulation of uric acid continues. inbetween attacks, no attacks occur
137
Stage 4 Gout
Chronic Tophaceous Gout | Large deposits of uric acid with crystals into joints
138
What is the pathyphysiology of gout?
elevated uric acid levels - hyperuricemia (>7 mg/dL) | urate crystal formation - urate crystals will settle in joints, can lead to kidney stones
139
Gout risk factors
Family hx kidney disease Diet - foods high in uric acid, organ meats, red meats, wine, seafood Alcohol/Tabacco Medicines - aspirins, diuretics, some chemo DM, HTN, Artherosclerosis
140
Gout lab tests
Serum uric acid 24 hour urine - always remind pt to collect urine synovial fluid - look for uric crystals
141
Gout imaging
Xray, Ultrasound - looks for what stage
142
Gout Pharmacotherapy
Colchicine: reduce swelling/inflammation NSAID Corticosteroids: reduce inflammation/stiffness Allopurinol: brand name zyloprim. Inhibits uric acid production Probenecid: promotes renal excretion
143
What does Colchicine do?
Reduces swelling, inflammation
144
What does allopurinol do?
inhibits uric acid production. brand name zyloprim
145
What does probenecid do?
promotes renal excretion
146
Gout Intervention
``` activity/rest - rest effected limb dietary restrictions: avoid purine foods wild game, seafood, organ meat increase fluid intake head/cold therapy joint protection weight loss ```
147
What diet should someone with gout have?
fruits, vegetables, whole grains, low-fat dairy, legumes, nuts AVOID shellfish, organ meats, alcohol, soft drinks
148
Gout surgical intervention
extracororeal shock wave lithotripsy: shock waves break up stone in ureter
149
Goals of pt care with gout
treatment of acute attacks: rest/meds prevent future attacks: diet, weight loss, fluid prevent complications: renal calculi, kidney disease
150
What is acute/chronic back pain?
acute is less than 4 weeks | chronic is greater than 3 months
151
What regions carries most of body weight?
lumbar
152
Back Problems Risk Factors
``` Lumbar strain/sprain Degenerative changes Disc Herniation Fractures Congenital conditions (spinal stenosis) occupational factors (healthcare, construction, factory ```
153
What is spinal stenosis?
narrowing of spinal canal
154
What is spondylolysis and spondylolisthesis?
spondylolysis: pars inticularis has a crack sponylolisthesis: pars inticularis breaks off
155
Back Pain Pharmacotherapy
NSAID: inflammation/pain. Risk for GI bleed, if hx of ulcer do not give opioid analgesics: norco, percocet, dilaudid, risk of constipation muscle relaxants: tizanadine, flexaril, baclofen steroids: last resort.
156
Back Pain Interventions
Activity/Rest: avoid prolonged Heat/Cold PT: start ASAP pt. teaching: body mechanics, pre medicate, back brace
157
Laminectomy Post Op Care
``` Bleeding: check H&H infection: check temp Blood clots: ted hose, anticoagulation therapy nerve injury risk risk for spinal fluid leak ``` *log roll to maintain alignment*
158
Back pain goals of pt. Care
pain relief # 1 goal back sparing practices return to previous level of activity avoid constipation
159
What is a fracture?
Disruption or break in the continuity of the structure of a bone
160
Simple/Closed fracture
Bone separated, not broken skin
161
Compound/Open Fracture
Break in skin, risk for osteomylitis
162
Transverse Fracture
Runs across bone at right angle
163
Spiral Fracture
oblique/circle
164
Comminuted Fracture
shattered into pieces
165
Impacted
buckle/compress fracture
166
Greenstick Fracture
incomplete/missing a bone
167
Oblique fracture
slant in bone
168
Clinical Manifestations of a fracture
pain, edema (Swelling), deformity (compare limbs), muscle spasm, contusion, decreased ROM, crepitation
169
Bone Union Types: Direct fx complication
Delayed Union: lengthy healing time Non-Union: didn't heal, may need more surgery Mal-Union: not properly aligned
170
Avascular Necrosis: direct fx complication
death of tissue due to lack of blood supply
171
Venous Thrombosis: indirect fx complication
blood clot in the vein with fracture due to bedrest
172
Fat Embolism- indirect fx complication
disruption of blood supply caused by fat globules in the blood vessel
173
Acute Respiratory Distress Syndrome
Watch for SOB, altered LOC, chest pain, tachycardia Petechaie: pinpoint rash on chest due to inadequte oxygen Monitor pt for 24-48 hours especially with femur
174
Care of pt with a fracture
careful immobiliztion encourage breathing excercises O2 therapy
175
Lab tests for fractures
CBC check H&H | Coagulation studies
176
FX Pharmacology
NSAID, opioid analgesics, muscle relaxer, steroids
177
Fracture Management
reduction - immobiliztion - rehabilitation
178
What is an open reduction?
Surgical O - open R - reduction I- internal F- fixation
179
What is a closed reduction?
Non-surgical manual realignment of a bone. Traction and counter traction - sling/splint
180
What are the types of traction? What are some care guides?
Skin - applies pull indirectly to the bone Skeletal: applies directly by way of pins/wire ``` Remember TRACTION T: temperature R: ropes hang free A: alignment - pt. on center of bed C: circulation - check cap refill, 5 p's T: type and location of fracture I: increase fluid intake O: overhead trapeze - helps strengthen upper body N: no weights on bed/floor ```
181
What are indications for internal fixation? External Fixation?
Internal: surgical application of implants for purpose of repairing bone - wires, pins, plates, nails, bone screws External Fixation: Used to set bone in which a cast would not allow proper alignment. Pins, screws, rods, frames, rings **Clean pins 2 x in 12 hour shift**
182
What is the nursing management of casts? What are the goals of patient care for cast?
1. perform neurovascular assessment 2. expose a newly applied cast to air circulation 3. Never permit wet cast to rest directly on flat or firm surface 4. Apply ice for first 24-36 hours 1. Manage Pain 2. healing occurs, proper alignment 3. prevent secondary complications 4. neurovascular status remains intact 5. restore function
183
What are risk factors for amputation?
DM *most common*, arthrosclerosis, traumatic event, violent incident, GSW, tissue/bone severed
184
What are the types of amputation?
Open (Guillotine): cut off whole and wrap | Closed (flap): used skin to create a flap over. Heals faster
185
What are some complications of amputations?
Pain falls infection contracturs - do not elevate leg for first 24 hours!
186
Benefits of Immediate Post Op Prosthesis
``` *temporary* assist wound healing minimize edema and pain reduce phantom pain physcological benefits prevent knee flexion contracture protect risdual limb ```
187
Amputation Teachings
ROM ASAP Avoid sitting in chair for more than 1 hr with hips flexed (prevents DVT, contractures) Avoid elevating extremity for long periods Avoid dangling residual limb Compression reapplied several times daily Shrinker bandage should be washed and changed daily
188
What is included in EBP?
1. Best evidence from the most current research available 2. nurse clinical expertise 3. patient preferences and values
189
What is quantitative research?
use of precise measurement to collect data, analyze it statistically
190
What is qualitative research?
Investigate a question through narrative data exploring subjective experiences
191
What are background questions?
- generalized questions that seek more information about a topic - fills in gaps of knowledge - answered found in textbooks, medical dictionaries, drug handbooks
192
What are foreground questions?
narrower in focus, about a specific clinical issue | answers can be found in studies conducted to elicit evidence
193
What is PICOT
- used to define and formulate a clinical question for EBP - develops foreground questions ``` P: patient, population, or problem I: intervention C: comparison (don't always need) O: desired Outcome T: time (not always needed) ```
194
What are the steps of developing a PICOT statement?
step 1: develop/ask a clinical question step 2: retrieve the evidence step 3: evaluate the evidence step 4: apply the evidence
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What is reliability vs. validity?
Reliability is the extent to which an experiment, test, or measuring procedure yields the same result on repeated trials under identical conditions validity is does it measure what it's supposed to measure?
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What does the NPA do?
defines scope of practice, standards for education programs, liscensure requirements, grounds for disciplinary action. regulates nursing practice
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What does OBN do?
designated to apply laws to individuals | oversee licensure
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What are hypotonic, isotonic, hypertonic solutions?
- hypotonic: more particles inside to pull particules/fluid into cell. 0.45% NaCl. Used in DKA - hypertonic: causes fluid to leave cell. D5 0.45% NaCl D5 0.9% NaCl - isotonic: fluid stays within the intravascular space. 0.9% NaCl, D5W (isotonic in bag, hypo. in body), lactated ringers
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How should you look for an IV insertion site?
start distally and work proximally
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Common gauges used for IV fluid use
18: blood, resuscitation fluids 24: less traumitizing, shorter term use 20-22: most common
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How to insert an IV
bevel UP, 15-30 degree angle
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What should you do if you suspect fluid overload?
- slow IV rate - raise head of bed - may need O2 - call physician