Test #2 autoimmune PPt-Josh Flashcards
Autoimmunity:
is a disturbance in the immunologic tolerance of ________
Self antigens
Autoimmunity:
occurs when the immune system reacts against self-antigens to such a degree that a persons own tissues are damaged by _________ or autoreactive ___ cells
autoantibodies
t-cells
Autoimmunity:
what is the most common chronic inflammatory arthritis?
rheumatoid arthritis
Rheumatoid Arthritis:
course is multifactoral and is characterized by periods of _____ and ____
exacerbation and remission
Rheumatoid Arthritis:
etiology
exact cause unk
Rheumatoid Arthritis:
what may precipitate it
- impaired immunity
- stress
- enviromental factors
Rheumatoid Arthritis:
what do they propose could be the etiology
viral or bacterial infection that alters the immune system in genetically suscetible host
Rheumatoid Arthritis:
circulating autoantibodies called _____ ______ are detectable in 70-80% of pts w/ RA
rheumatoid factors
Rheumatoid Arthritis: clinical manifestations
Inflammation and destruction of the ______ joints are responsible for most of the symptoms and chronic disability associated w/ RA
synovial joints
Rheumatoid Arthritis: clinical manifestations
what is teh onset like
- insidiuos onset
- over a period of weeks to months
Rheumatoid Arthritis: clinical manifestations
what are the most common sites
- hands
- wrists
- feet
*
Rheumatoid Arthritis: clinical manifestations
is the joint involvement symmetrical or asymmetrical
symmetrical
Rheumatoid Arthritis: clinical manifestations
what are the s/s associated with the inflammatory process
- warmth
- pain
- swelling
- weight loss
- fatigue
- Morning stiffness
Rheumatoid Arthritis: clinical manifestations
the joint invlvement progresses in 3 main stages what are they
- inflammation of synovial jointmembrane
- rapid division and growth of cells in joint
- Liberation of enzymes, which damages small blood vessels, cartilage, ligaments, tendons, and bones
Rheumatoid Arthritis: clinical manifestations
can it cause permanent damage to ROM
yeppers
Rheumatoid Arthritis: clinical manifestations
s/s of late stages
- severe pain
- joint instability
- crippling deformities
Rheumatoid Arthritis: clinical manifestations
what can nerve entrapment cause
Carpal tunnel syndrome
Rheumatoid Arthritis: clinical manifestations
what synovial joint in the head can be affected
Synovitis in TMJ
Rheumatoid Arthritis: clinical manifestations
what affect on the cervical spine can occur
- Atlantoaxial (C1-2) instability and subluxation
Rheumatoid Arthritis: clinical manifestations
what part of the larynx may be effected
cricoarytenoid joint
Rheumatoid Arthritis: clinical manifestations
s/s of cricoarytenoid joint arthritis
tenderness of larynx
hoarsness
pain w/ swallowing
radiatio to ear
dyspnea
Stridor
Rheumatoid Arthritis: clinical manifestations
w/ cricoarytenoid joint arthritis what may u see on DL
- red swollen arytenoids
Rheumatoid Arthritis: CV
what are S/S
pericardial thickening
myocarditis
coronary arteritis
conduction defects
vasculitis cardiac valve fibrosis
CAD
cardiomyopathy
Rheumatoid Arthritis: Pulmonary
S/S
- pleural effusions
- pulmonary nodules
- pulmonary fibrosis
- Costochondral involvement
- Restrictive lung changes
Rheumatoid Arthritis: Hematology
S/S
- Anemia
- Platelet dysfunction (ASA therapy)
- thrombocytopenia
Rheumatoid Arthritis: Endocrine
s/s
Adrenal insufficiency
impaired immune system
Rheumatoid Arthritis: Dermatological
S/S
- thin atrophic skin
- rheumotoid nodules
Rheumatoid Arthritis: Treatments
what are some treatments?
- NSAIDs
- Corticosteroids
- DMARDs
- Biologic agents
- Antimetabolite
- Surgical intervention
Rheumatoid Arthritis: Anesthesia
best mode of anesthesia
No mode safer than the other
Rheumatoid Arthritis: Anesthesia
airway assessment
- TMJ
- Cervical spine
- Cricoarytenoid joints
Rheumatoid Arthritis: Anesthesia
what to avoid w/the neck
- flexion
- extension
- rotation
What is a chronic d/o characterized by immunologically mediated lacrimal and salvirary gland destruction
Sjogren’s Syndrome
Sjogren’s Syndrome
it presents with sicca symptoms, what the fuck is that?
- Xeropthalmia (dry eyes)
- Xerostomia (dry mouth)
- Parotid gland enlargement
Sjogren’s Syndrome
is often associated w/ what 2 other Autoimmune d/o
SLE
RA
what is a disease associated w/ immune dysregulation and several antibodies, basically sclerosis of the skin!
Scleroderma
Scleroderma:
is characterized by inflammation, vascular sclerosis, and fibrosis of the skin and _____
Viscera
Scleroderma:
patho
- injury to vascular endothelial cells
- leakage of serum proteins
- tissue edema
- lymphatic obstruction
- fibrosis
Scleroderma:
is associated w/ what syndrome
CREST syndrome
Calcinosis Raynaud's syndrome Esophageal dysmotility Sclerodactyly Telangiectasia
Scleroderma:
what is the prognosis?
Poor
Scleroderma:
what drugs or treatments are effective in treatment
No (you gonna die)
Scleroderma:
what can accelerate the progression in 50% of pt’s
Pregnancy
Scleroderma: S/S
skin/musculoskeletal
- Thick skin
- myopathy
- weakness of muscles
- increased plasma CK
Scleroderma: S/S
Nervous system
- peripheral or cranial neuopathy
- trigeminal neuralgia
- Keratoconjunctivitis sicca
Scleroderma: S/S
cardiac/vascular
- Dysrhythmias
- Conduction
- CHF
- Pulm HTN
- Cor pulmonale
- Pericarditis
- Pericardial effusion
- Raynauds
- oral/nasal telangiectasias
Scleroderma: S/S
pulmonary
- Pulmonary fibrosis
- Arterial hypoxemia
Scleroderma: S/S
renal
- Renal artery Stenosis/ HTN
- renal failure
Scleroderma: S/S
GI
- Xerostomia
- hypomotility of Lower esophagus & SI
- dysphagia
- reflux
- malabsorption syndrome
Scleroderma: Anesthesia implications
how to intubate
prepare for difficult airway
possible FOI
Scleroderma: Anesthesia implications
what about nasal intubation/trumpets??
hmm be careful telangiectasias may bleed profusely
Scleroderma: Anesthesia implications
why may IV/ a-line be difficult?
Thick skin
Scleroderma: Anesthesia implications
whu may these individuals get hypotensive
Contracted Intravascular volumes
Scleroderma: Anesthesia implications
why may the need higher pressures to ventilate?
Decreased pulm compliance
Myasthenia Gravis:
receptor binding antibodies are present in more than 80% of Pts w. MG, the origin of the antibodies are unk, but there is a relationship with the _____ gland
Thymus
Myasthenia Gravis:
how many classes are there?
4 (but 2 II’s) so really 5
Myasthenia Gravis: S/S
muscle strength may be _____ with well-rested pts, but ______ occurs promptly w/ exercise
Normal
weakness
Myasthenia Gravis: S/S
what is the most common initial complaint?
- ptosis
- diplopia
Myasthenia Gravis: S/S
weakness of the pharyngeal and laryngeal muscles cause what complications?
- dysphagia
- dysarthria
- difficulty w/ saliva
- high risk of aspiration
Myasthenia Gravis: S/S
arm, leg, or trunck weakness is usually symetrical or asymmetrical?
Asymmetrical
Myasthenia Gravis: S/S
does muscle atrophy occur?
Nope
Myasthenia Gravis: S/S
myocarditis can result in ____, ____. or ____
- a-fib
- heart block
- cardiomyopathy
Myasthenia Gravis: S/S
what can exacerbate it
- infection
- electrolyte abnormalities
- pregnancy
- emotional stress
- surgery
Myasthenia Gravis: S/S
antibiotics especially _______ can aggravate muscle weakness
aminoglycosides
Myasthenia Gravis: Treatments
what are 5 main treatments
- Anticholinesterase drugs
- Immunosupressive therapy
- Plasmapheresis
- thymectomy
- IV immunoglobulin
Myasthenia Gravis: Treatments
what is teh 1st line of treatment?
Anticholinesterase drugs
Myasthenia Gravis: Treatments
what is the main anticholinesterase drug used
pyridostigmine
Myasthenia Gravis: Treatments
what is used for immunosuppresive theapy
- corticosteroids
- azathioprine
- cyclosporine
- mycophenolate
Myasthenia Gravis: Treatments
when is plasmapheresis used
myastenic crisis
prep for thymectomy
Myasthenia Gravis: Treatments
what is teh point of plasmapheresis
Removes antibodies from circulation
Myasthenia Gravis: Treatments
thymectomy- what is the incision sites
median sternotomy
Medianstinoscopy
Myasthenia Gravis: Treatments
what levels are often decreased following thymectomy
ACh
Myasthenia Gravis: Treatments
prior to thymectomy plasmapheresis is indcated if VC is < what?
< 2 L
Myasthenia Gravis: Treatments
IV immunoglobulin therapy is reserved for when
acute exacerbations and myasthenic crisis
Myasthenia Gravis: Myasthenic crisis VS Cholinergic Crisis
which one is from underdosing of anticholinesterase
MC
Myasthenia Gravis: Myasthenic crisis VS Cholinergic Crisis
whch one os from overdosing
CC
Myasthenia Gravis: Myasthenic crisis VS Cholinergic Crisis
which one has S/S of extreme weakness plus muscarinic SE of abd cramping, diarrhea, salivation, bradycardia, miosis?
CC
Myasthenia Gravis: Myasthenic crisis VS Cholinergic Crisis
which one has S/S of sever exacerbation of MG symptoms
MC
Myasthenia Gravis: Myasthenic crisis VS Cholinergic Crisis
which one has S/S of extreme quadriparesis or quadraplegia, resp insuficiency, extremly difficul swallowing, danger of resp arrest
MC
Myasthenia Gravis: Myasthenic crisis VS Cholinergic Crisis
which one occurs 3-4 hours after taking medication
MC
Myasthenia Gravis: Myasthenic crisis VS Cholinergic Crisis
CC occurs how long after giving meds
30-60 min
Myasthenia Gravis: Myasthenic crisis VS Cholinergic Crisis
what is the test for CC? and what will you see?
tensilon test
- accenuated muscle weakness after administration of edrophonium
Myasthenia Gravis: Anesthesia implications
what does teh data suggest about cont’s periop use of pyridostigmine
unclear
Myasthenia Gravis: Anesthesia implications
what type of anesthesia is reccomended if poss
regional
Myasthenia Gravis: Anesthesia implications
what about depolarizing MR (SCh)
- response unpredictable
- Untreated pt’s 2-3x’s more resistant to SCh
- Treated pt’s- normal or prolonged response to SCh
Myasthenia Gravis: Anesthesia implications
Non-Depolarizing MR
- typically all pt’s have increased sensitivity
- require decreased doses
- wil have prolonged recovery
- TOF essential
Myasthenia Gravis: Anesthesia implications
reversal should be performes cautiously why?
- can precipitate cholnergic crisis
Myasthenia Gravis: Anesthesia implications
what is the best way to intubate these pt’s
VAAs
– b/c of intrinsic muscle weakness, intubation can be accomplished w/ VAA alone
what d/o resembles MG and is sometimes called Myasthenic syndrome
Eaton-Lambert syndrome
Eaton-Lambert Syndrome:
is associated w/ SCC of what organ
lung
Eaton-Lambert Syndrome:
S/S is proximal limb weakness,muscle pain, decreased or absent reflexes. But what is teh main difference from MG
EXERCISE IMPROVES STRENGTH
Eaton-Lambert Syndrome:
what is teh response to anticholinesterases
Poor
Eaton-Lambert Syndrome:
is it sensitive to NDMR DMR or both?
Both
what d/o is from thyrotoxicosis (a state of thyroid hormone excess)?
Graves’ Disease
Graves’ Disease
is caused by thyroid-stimulating antibodies that bind to TSH receptors in the thyroid and you get an increased level of circulating what?
T4 and T3
Graves’ Disease
is the thyroid usually enlarged?
yes 2-3xs
Graves’ Disease
s/s?
- Increased BP
- Increased CO
- Increased HR
- MVP
- A-fib
Graves’ Disease
diagnosis is based off what lab interpertations w/ TSH, T3, T4
TSH low
T4 high
T3 high
Graves’ Disease
is a disease of thyroid hormone excess or deficit?
excess
Graves’ Disease
what is a funny s/s of it
Big ass bug eyes
OPTHALMOPATHY
Graves’ Disease
what is a d/o that can arise form this d/o
thyroid storm
Graves’ Disease
what is Thyroid storms s/s
- Tachycardia
- Hyperthermia
- hTN
- A-fib
- sweating
- Tremor
- Vomiting
- weakness
- agitation
- shock
- CHF
- Met acidosis
Graves’ Disease
thyroid storm in an emergency!!!! what is its treatment
- Antithyroid meds
- Beta blockers
- Potassium iodide
- Hydrate w/ glucose containing solutions
- Tylenol
- O2
what d/o is the most common form of HYPOTHYROIDISM
Hasimoto’s thyroiditis
Hasimoto’s thyroiditis
is characterized by autoimmune mediated destruction of the ____ gland
Thyroid
(that was a gimme)
Hasimoto’s thyroiditis
w/ this the formation of what is common?
Goiter
Hasimoto’s thyroiditis
what happens to metabolim
sloooooooooowwwwsss
Hasimoto’s thyroiditis
s/s
- Dry skin
- cold intolerance
- paresthesias
- slowedmental fxn
- ataxia
- puffy face (myxedema) aka fat mexican
- constipation
thats all folks
sweet