Shared Flashcard Set

Details

CLS - Test on 10/12/08
HA, PVD, NS Tumors, CNS Infections
174
Health Care
Graduate
10/11/2008

Additional Health Care Flashcards

 


 

Cards

Term
What are three common types of HAs?
Definition

tension HA

migraine

Chronic Daily HA (rebound)

Term
What are the scary types of HAs?
Definition

Increase ICP - "worst HA of my life" - bleeds

progressive HA - tumors

temporal arteritis - systemic vascular inflammation

Term
Nociception:
Definition
physiologic response
Term
Pain:
Definition
a subjective perception of the quality of nociceptive inputs
Term
What is the prevalence of tension HAs?
Definition

70% for men

90% for women

Term
What is the prevalence for Migraines?
Definition
12% of the population (3/4 of which are women)
Term
What percent of migraine sufferers have a familial component?
Definition
80%
Term
Only ____ of brain tumors will be associated with headaches.
Definition
1/3
Term
Migraines and cluster HAs are usually located...
Definition
unilaterally
Term
Which type of headache is usally bilaterally felt?
Definition
band HAs
Term
What are the different locations of HAs?
Definition

unilateral

bilateral

frontal

occipital

temporal

eyes/sinuses

Term
Migraines and tension HA usally start with what kind of pain?
Definition
throbbing
Term
An intercranial mass with present with what kind of pain?
Definition
dull
Term
What is the cause of the "worst HA of my life"?
Definition
subarachnoid hemorrhage
Term
What kinds of HAs are worse upon waking?
Definition
migraines and IC bleeds
Term
If a cough aggrevates a HA what is normally the cause of the HA?
Definition
structural lesion/abnormality
Term
What is one substance that can precipitate a cluster HA?
Definition
alcohol
Term
What is one substance that can cause migraine HAs?
Definition
nitrites
Term
What are some associates sxs with HAs?
Definition

prodrome/aura

visual/neurological changes

tearing/rhinorrhea

photo/phonophobia

nausea/vomiting

other illnesses

sinusitis

dental disease

Term
What are some red flags what discussing a HA with a patient?
Definition

progressive HA

worst HA of my life

change in intensity, frequency

new, severe HA in adult

meningeal sxs

jaw claudation

AM HAs/HA that disturbs sleep

cough-induced HA

HA w/ focal neurologic sxs

post lumbar puncture HA

Term
What are some signs that someone has a HA caused by a structural brain lesion?
Definition

nuchal rigidity

fever

papilledema

pathologic reflexes or reflex asymmetry

altered state of consciousness

Term
With a brain tumor the pain...
Definition
progressively worsens
Term
In the PE you should search for...
Definition

neurologic signs

neck mm tenderness, spasm,

relief of HA with pericranial mm massage

palpate temporal arteries for tenderness in older patients

TMJ exam

sinuses, tenderness over sinus cavities

Term
What are some examples of vascular HAs?
Definition

migraine

HTN

Cluster

inflammatory

 

all usually unilateral

Term
With vascular HAs the pain is related to...
Definition
vasodilation
Term
Migraine:
Definition

periodic, debilitating HA, associated with nausea/vomiting

 

tend to be localized

 

most will have an aura

Term
Treatment of Migraine HAs:
Definition

NSAIDS, APAP

sleep

vasoconstrictors (ergots, caffeine)

imitrex

antipsychotic-related Rx

triptans (abortive)

antiemetics

Term
When do you use prophylax for a migraine HA?
Definition
if more than 4x/month
Term
Prophylaxis of Migraine HAs:
Definition

beta blockers and Ca channel blockers

tricyclic antidepressants

gabapentin, other anticonvulsants

SSRIs in depressed patients

avoidance of triggers (chocolate, nitrites)

exercise

Term
Tensions HAs:
Definition

occur daily

worsens throughout the day

band-like

 

extra-cranial structures, with vasodilation pain secondary to inflammatory mediators

 

 

Term
Treatments for tension HAs:
Definition

most will successfully self-medicate with OTCs

NSAIDS

tricyclic antidepressants

lifestyle changes

triptans

prophylaxis

 

you want to relieve the stress

Term
Sinus HA:
Definition

wakes up with but gets better as the day goes on

 

gets better if you treat the sinusitis/chronic allergies

 

chronic use of sinus medications can cause rebound HAs and sinus problems

 

sinus cavities can erode cause serious problems

Term
Cluster HAs:
Definition

men > women

unilateral/transient/very severe, often incapacitating

 

non-throbbing, not worse with activity, patient often resteless, may pound on head

 

ipsilateral nasal congestion, lacrimation, redness, tearing, Horner's syndrome

 

30mins to 1.5 hours

1-8 per day

Term
What is a big risk for people who suffer from cluster HAs?
Definition
suicide, bc the pain is so bad and unrelenting
Term
Cluster HA treatments:
Definition

often ineffective

 

100% O2

triptans/ergotamine

Ca channel blockers

indomethancine - could cause bleed

intranasal 4% lidocaine

prophylaxis w/ beta blockers, CCB, tricyclics, anticonvulsants, Li, steriods

Term
What is a common medication used to abort a Cluster HA?
Definition
ergotamines
Term
Transformed migraine:
Definition

chronic daily HA that usually starts as a migraine but can originate as tension headache

 

REBOUND

 

involves daily dose of a HA med

Term
Trigeminal neuralgia:
Definition

sudden onset, lancinating facial pain

 

follows trigeminal nerve distribution

 

unbearable, even the wind can bring on pain

 

R/O with MS

Term
What gives 80% relief for trigeminal nerve pain?
Definition

gamma radial surgery

Term
What are some other causes of facial pain beside trigeminal neuralgia?
Definition

post herpetic neuralgia

sinusitis

dental pain

TMJ pain

Term
Temporal arteritis:
Definition

a systemic vascular inflammatory condition

unknown cause

 

the inflammation causes tenderness of arteries

 

 

Term
Temporal arteritis can cause...
Definition
retinal artery occlusion and blindness from thrombus/embolism which is irreversible
Term
Temporal arteritis practically nonexistent in anyone...
Definition
under 50
Term
Temporal arteritis management
Definition

oral prednisone, relatively high dose to reduce inflammation and risk of thrombus/embolus

 

urgent opthamology consult

 

temporal artery biopsy before steriods take effect

Term
What are some examples of primary brain tumors?
Definition
meningiomas, gliomas, pituitary tumors
Term
What are the most common types of tumors that metastisize to the brain and spinal cord?
Definition

brain: lung and breast

 

spinal cord: prostate, breast, lung

Term
Th incidence of brain tumors increases with ______.
Definition
age
Term
Spinal tumor presentation
Definition

may lead to "spinal cord dysfunction"

back pain

distal paresthesia

sensory loss/weakness below level of tumor

loss of bladder/bowel control

 

can cause impinging and pain

Term
Brain tumor presentations
Definition

progressive HA/nausea

sometimes vomiting

cranial nerve involvement

new onset seizures/sensorimotor changes

cognitive impairment

visual field changes

Term
How do you diagnose brain and spinal tumors?
Definition

complete neuro exam

CT or MRI, with contrast

EEG

biopsy

arteriography

PET, SPECT, MRS

Term
CNS Neoplasm Differential Diagnoses
Definition

subdural hematoma

hydroencephalus

brain abscess

Progressive multifocal leukoencephalopathy

MS

cerebral infarcts

Alzheimer's disease

Term
Treatment of CNS Neoplasm
Definition

surgerical intervention

radiation/chemotherapy

corticosteroids (start prior to surgery)

anticonvulsants

pallative care

Term
MS is characterized by...
Definition

inflammation associated with multiple foci of demyelination in the CNS white matter

 

probably autoimmune basis

Term
MS Etiology
Definition

most common in young adults

 

f >> m

 

more prevalent in caucasians

more prevalent in northern latitudes

Term
What are the initial sxs of MS?
Definition

fatigue

weakness

tremor

diplopia

Term
How many different progessions of MS are there?
Definition
3, and people can switch between them
Term
An MS diagnosis is based on...
Definition
lesions and clinical picture
Term
MS lab studies
Definition

CSF: inc Protein, inc IgG w/ possible lymphocytosis

and EP

 

Common initial labs

TSH, Vit B12, ESR, ANA,

RPR, Serum ACE level, lyme titre

 dsDNA, anti-SSA, anti-SSB (for Sjogrens syndrome)

Term
MS Treatment Goals
Definition

initial neurology referral with PCP FUs

 

treat sxs, individualize to minimize impairment

 

EXERCISE AND PERSERVATION OF FUNCTION BETWEEN EXACERBATIONS

 

use diease modifying drugs early

Term
MS disease modifying drugs used early...
Definition

high dose steroids for acute exacerbations 

 

interferon beta

peptide immunomodulator

monoclonal AB

 

very expensive

roughly 30% reduction in plaques/sxs

Term
What are some non-drug treatments for MS?
Definition

cooling vests

PT

OT

aquatic therapy

Term
Myasthenia Gravis
Definition

autoimmune disease involving autoantibodies that block ACh receptors at the neuromuscular junction.

 

serious mm weakness

Term
MG presentation
Definition

usually insidious onset

ptosis

diplopia

chewing and swallowing difficulty

respiratory difficulty

limb weakness

Term
Hallmark of MG
Definition

increased complaints of weakness at the end of the day

 

mm weakness and fatigability improving with rest

Term
Does mm weakness improve with rest in MS or MG?
Definition
MG
Term
Is MS or MG more common in the US?
Definition
MS
Term
What is the main way to diagnose MG?
Definition

Anticholinergic challenge

Edrophonium test

Term
What is the main treatment for MG?
Definition

Anticholineresterases

 

pyridostigmine (mestinon)

neostigmine (prostigmin)

Term
PAOD
Definition

Peripheral Arterial Occlusive Disease

 

very common

related to atherosclerosis of arteries

reduced perfusion of peripheral tissues

especially important to lower extremity LEAD

Term
What increases your risk for PAOD/PAD?
Definition

smoking

obesity

sedentary lifestyle

 

diabetes

HTN

hyperlipidemia

FHx

Term
Which PVD is probably the most clinically important?
Definition
PAOD/PAD
Term
PAOD/PAD PE
Definition

inspection: atrophy of calf mm, loss of extremity hair, thickened toenails

 

palpation of pulses from aorta to feet

 

ABI measurements with palpation or Doppler

Term
How do you diagnosis PAOD?
Definition

ankle-brachial index of 0.8 or less

 

diminished or absent peripherial pulses, combined with suggestive sxs

 

**convincing history of intermittent claudication

 

possible arteriography (only if surgery is planned)

Term
PAOD treatment
Definition

STOP SMOKING

 

antiplatelet drug

exercise promotes collateralization

reduce cardiovascular risk

surgical (vascular bypass, balloon angioplasty)

Term
Patients who present with claudication due to PAOD can be expected to have _______________ elsewhere.
Definition
atherosclerosis
Term
What are some causes of exercise-induced leg pain?
Definition

spinal cord compression

osteoarthritis

venous disease

peripheral neuropathy

buerger's disease

Term
What is buerger's disease?
Definition

thromboangiitis obliterans

 

unique to smokers, generally middle aged

inflammatory reaction of small arteries leading to claudications sxs

sequential amputation common

affects upper extremities as well

Term
5 Ps of arterial thrombosis/embolization
Definition

Pain

Pallor

Paresthesia

Paralysis

Pulselessness

Term
Arterial thrombosis/embolization...
Definition
sudden onset of loss of distal circulation due to thrombosis or embolism
Term
Arterial thrombosis/embolization pain is...
Definition
ischemic, and therefore unrelenting and severe, unaffected by rest
Term
Large vessel occlusion is a ___________.
Definition
surgical emergency
Term
With arterial thrombosis/embolization emboli are generally from...
Definition
the heart or a proximal vessel
Term
What are some predisposing factors for arterial thrombosis/embolization?
Definition

atherosclerotic vascular disease

hypercoagulable states

Term
Reynauds Phenomenon
Definition

episodic, vasospastic ischemic attacks of the digits

 

digital vessels are overly reactive to cold temps, involves sympathetic activation

Term
Raynaud's treatment
Definition

for primary: avoiding cold temps,

CCBs, possible digit sympathectomy

 

secondary: treat underlying disease

Term
livedo reticularis
Definition

reticular, or fishnet pattern of blanching and bluish skin as a result of vasospasm

 

idiopathic, not dangerous

 

secondary can be related to vascular or autoimmune diseases

Term
CNS Aneurysms can lead to...
Definition
hemorrhagic stroke/subarachnoid hemorrhage
Term
AAA
Definition

abdominal aortic aneurysm

 

a rupture or leak is a surgical emergency

Term
An aortic dissection feels like...
Definition
tearing back pain
Term
Arteritis
Definition

temporal or takayasu's are forms of giant cell arteritis

 

a systemic vascular inflammatory condition, unknown cause

 

causes tenderness of arteries, especially temporal

 

can cause blindness

Term
varicose veins
Definition

venous insufficiency, a loss of competance of venous valves as a result of pressure over a long time

 

possibly related to trauma, FHx

not equivalent to DVT

 

superficial veins become engorged and allow backflow of blood distally

Term
Tortuous veins are...
Definition

painful, generally not a dangerous condition

associated with varicose veins

Term
Symptoms of varicose veins
Definition

leg heaviness

exercise intolerance

pain or tenderness along the course of a vein

pruritis

burning sensations

restless legs

night cramps

edema

skin changes

paresthesias

 

improved by walking or by elevating legs

Term
Varicose veins PE
Definition

presence of varicosities on pathway of greater saphenous vein

 

darkened pigmentation, ulcers, esp above medial malleolus (venous stasis)

 

thrombosed veins (risk for DVT)

 

percussion pulse wave for mapping

Term
Varicose vein treatment
Definition

a variety of stripping/sclerosing techniques often used

 

support stockings, avoidance of panty hose with higher up restriction

Term
Statsis dermatitis/postphlebitic syndrome
Definition

chronic condition due to imcompetent veins and leakage of blood into tissues

 

inflammatory reaction, swelling, pigmentation, ulcer

 

edema initially pitting, but may become woody

 

support stockings

Term
Virchow's triad
Definition

stasis (flow)

vessel wall injury

hypercoagulation

Term
DVT/PE tests
Definition

angiography

V-Q scan ***

CT

D-dimer

peripheral ultrasonography for clots

Term
lymphedema
Definition

limb enlargment due to decreased lymphatic drainage of an extremity

 

 

Term
primary lymphedema
Definition
developmental abnormality of lymphatic system
Term
secondary lymphedema
Definition

breast cancer treatment in US, filariasis worldwide most common causes

 

also vein stripping, surgery and insect bites

Term
What is the incidence of lymphedema after lymphatic dissection and radiation therapy for breast cancer surgeries?
Definition
10-40%
Term
Does secondary lymphedema happen right away?
Definition

no, it can happen years later

 

often inresponse to mild trauma, overuse of limb, infection, etc.

Term
Lymphangitis
Definition

bacterial or fungal infection of lymphatics, with cellulitis

 

red streaking, usually of extremity, enlarged proximal lymph nodes

 

patient is ill, with leukocytosis

Term
What do you do for someone with lymphangitis?
Definition

give IV antibiotics empirically while awaiting blood cultures

 

elevate limb

Term
prevention of lymphedema
Definition

encourage meticulous hygiene

treat all skin injuries promptly

aggressively treat any cellulitis that develops

avoid weight gain/lose weight

Term
management of lymphedema
Definition

compression garments

pneumatic compression

PT

surgery of equivocable value

Term
complications of lymphedema
Definition

lymphangitis

lymphangiosarcoma

infection

amputation

Term
Is lymphedema usually reversible or irreversible?
Definition
irreversible
Term
What are the different kinds of meningitis?
Definition

bacterial

fungal or mycobacterium tuberculosis

viral

Term
Types of CNS infections
Definition

meningitis

encephalitis

space occupying infectious lesions of the CNS

prion diseases

Term
Causative organisms of CNS infections
Definition

bacteria

spirochetes

viruses

fungi

protozoa

prions

Term
What is the worst kind of meningitis?
Definition
bacterial
Term
What are risk factors for CNS infections?
Definition

immunosuppression

cranial trauma

peds

Term
Bacterial meningitis epidemiology for neonates
Definition

streptococcus Group B

E. Coli

listeria monocytogenes

Term
Bacterial meningitis epidemiology for ages 1-4
Definition

hemophilus influenza

(H. Flu)

Term
Bacterial meningitis epidemiology for ages 4-30
Definition
neisseria meningitis
Term
Bacterial meningitis epidemiology for ages 30-65
Definition
streptococcus pneumoniae
Term
Bacterial meningitis epidemiology for ages 65+
Definition

streptococcus pneumoniae

GNR

listeria monocytogenes

Term
Clinical signs and sxs of bacterial meningitis
Definition

fever

HA

malaise

nausea, vomiting, anorexia

rash

Term
Bacterial Meningitis trasmission
Definition

invasion

exposure

colonization

Term
Clinical diagnosis for bacterial meningitis
Definition

meningeal signs: nuchal rigidity, brudzinski sign, kernig sign, straight leg raise

 

progressively worsens, quickly

 

changes in mental status

 

LP

Term
When should you not do a LP?
Definition
if ICP is elevated
Term
Signs of elevated ICP
Definition

papilledema

progressive decline in level of consciousness

focal neurologic deficit

Term
If exam reveals some uncertainty about the presence of elevated ICP, proceed in this order:
Definition

draw blood first for C&S

Start IV steroid and antibiotic therapy

get a CT scan

if CT scan shows no elevated ICP, then do a LP

obtain cell count, gram stain and C&S of CSF

Term
Normal CSF analysis
Definition

cell count: 0-5 lymphocytes

protein: 15-45 mg/dL

glucose: 50-70% of blood glucose level

opening pressure: 70-180 mmHg H2O

Term
Bacterial CSF
Definition

cloudy or grossly purulent

organisms are seen on direct exam 75% of the time

CSF Protein is >45

Glucose is <40

opening pressure is markedly elevated

Term
bacterial meningitis mortality
Definition

<5: 3%

>60: 30%

 

25% overall 

Term
bacterial meningitis prevention
Definition

Hemophilus influenza, type B vaccine

(begin at 2 months old)

 

meningococcal vaccine 

Term
viral meningitis
Definition

more benign, serious but rarely fatal

 

self limiting -- about 2 weeks

 

relatively common

 

can takes several days to weeks for sxs to appear 

Term
How does viral meningitis spread?
Definition

person to person

 

direct contact, skin to skin 

Term
What is another name for viral meningitis?
Definition
aseptic
Term
What are the sxs of viral meningitis?
Definition

HA

fever

stiff neck

may have viral prodrome

 

changes in consciousness and localizing neurologic signs are rare 

Term
viral CSF findings
Definition

inc. WBCs (mostly leukocytes)

 

increased protein

 

normal to slightly elevated glucose

 

normal to slightly elevated opening pressure 

Term
How do you work up viral meningitis?
Definition

CSF

CXR

TB skin test

syphilis/HIV serology

blood bacterial and viral cultures

PCR of virus from the CSF  

Term
Which test is the test of choice for viral meningitis due to its sensitivity?
Definition
PCR of virus from CSF
Term
How long does meningitis have to last in order for it to be considered chronic?
Definition
> 2 weeks
Term
What are the most common organisms that cause chronic meningitis?
Definition

mycobacterium tuberculosis

lymes disease

syphilis 

fungal 

Term
What are the CSF findings for chronic meningitis?
Definition

increased WBCs

increased protein

decreased glucose

moderately elevated opening pressure 

Term
Tests for chronic meningitis
Definition

culture (diagnostic)

 

multiple drug therapies for meningial TB

antifungal therapy for cryptococcal 

Term
With a cryptococcus infection the brain looks like _____________________.
Definition
swiss cheese
Term
Rabies is a type of what?
Definition
viral meningitis
Term
What are some different ways rabies can be transferred?
Definition

mainly salivary, from bites

 

scratches

 

inhalation

 

infected organ transplants 

Term
What is the incubation period for rabies?
Definition

10 days to 1 year

 

usually 1-2 months 

Term
What are some manifestations of rabies?
Definition

tingling feeling at the site of innoculation

 

progresses to anxiety, agitation, delirium

spasms of the throat and frothing at the mouth at the sight of water (hydrophobia), coma and death 

Term
Once a person with rabies becomes symptomatic what usually happens?
Definition

they usually die, even if treated

its too late 

Term
How do you diagnose rabies?
Definition

test the vector (if you can find him he has to be quarantined)

 

visualize cytoplasmic inclusions in neurons in hair-bearing regions of the skin

 

serology - only if patient hasn't been vaccinated 

Term
Txt of Rabies
Definition

start txt even before you have the test results back

 

you get very painful and expensive shots on day 0, 3, 7, 14 and 28 

Term
What are some infected space occupying lesions?
Definition

cysticercosis

toxoplasmosis

abscesses 

Term
What can west nile virus cause?
Definition

flu like syptoms or an acute encephalitis

 

only 1 in 150 have a serious disease from this 

Term
What kind of treatment is available for west nile virus?
Definition
just supportive
Term
What is cysticercosis caused by and how is it transmitted?
Definition

caused by the larval form of Taenia solium (which is a pork tapeworm)

 

its caused by eating their eggs, usually from undercooked pork

 

associated with pica and poor handwashing 

Term
Cysticercosis is a common cause of what in children?
Definition
seizures
Term
What are some symptoms of cysticercosis?
Definition

seizures

large infections

extensive brain swelling leads to herniation

and death 

Term
How do you treat cysticercosis?
Definition

antihelminthic drugs with steroids

 

albendazole or praziquantel are drugs of choice

 

Term
How is toxoplasmosis transmitted?
Definition

eating raw beef

oral fecal contamination

(handling litter from a cat box)

transmitted in utero in the third trimester 

Term
What causes toxoplasmosis?
Definition
a parasite, Toxoplasma gondii
Term
What are some toxoplasmosis manifestations?
Definition

asymptomatic infection

respiratory disease

CNS infection

(ring enhancing lesions)

 

seizures, mental status changes, fever, focal neurologic defects

 

ocular infections

 

Term
What are the neonate toxoplasmosis manifestations?
Definition

mental retardation

learning disabilities

growth retardation

eye infections and blindness

fetal death in utero 

Term
Diagnosis of toxoplasmosis
Definition

Serology IgM and IgG may be detected in the CSF and serum

 

tissue biopsy

 

MRI demonstrates ring enhancing lesions 

Term
Treatment of toxoplasmosis
Definition

trimethoprim sulfamethoxazole with pyrimethamine

 

long term prophylaxis may be needed for immunosuppressed patients 

Term
brain abscesses
Definition

caused by any number of bacteria

 

infection starts at a non-CNS site and spreads to the CNS

 

or it may occur from direct innoculation 

Term
What are the clinical manifestations of a brain abscess?
Definition

fever

drowsiness

HA

focal neurological defects (<50%)

seizures 

Term
Should you do an LP with a space occupying lesion?
Definition
never ever ever
Term
What is the course of a brain abscess?
Definition

indolent to fulminant

 

75% have sxs for 2 weeks or less

 

you have to look for the source

(lung, ear or sinus disease) 

Term
How do you work up a brain abscess?
Definition

CBC (WBC only elevated 10% of the time)

 

CT or MRI

Aspiriation biopsy of abscess - draining 

Term
Brain Abscess - cerebritis development
Definition

early 1-3 days

late 4-9 days

early capsule formation 10-13 days

late capsule formation >14 days 

Term
Treatment for CNS Abscesses
Definition

surgical drainage

 

antibiotic therapy

 

intrathecal administration of drugs may be required for adequate penetration into tissues

 

treat underlying cause of infection 

Term
What is the mortality rate for CNS Abscesses?
Definition

40-60%

 

factors:

delayed diagnosis

ventricular rupture

fungal infection

coma

multiple and deep inoperable abscesses

inappropriate antibiotics 

Term
How is mad cow disease transmitted?
Definition
via eating infected nervous tissue
Term
What is the mortality rate for prion/mad cow disease?
Definition
90% will die within one year
Term
What is mad cow disease?
Definition

a prion

 protein infectious cause (protein mutates)

 

a progressive encepalitis 

Term
What is the treatment for mad cow disease?
Definition

there isn't one

not good 

Term
What do they think preceded mad cow disease?
Definition

Cruetzfeldt-Jakob disease

bc the Kuru tribe was into eating eachother's brains 

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