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Tick-Borne Illness
Review
58
Medical
Professional
09/13/2011

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Cards

Term
What organism cause Lyme Disease
Definition
Borrelia burgdorferi (spirochete)
Term
What is the vector in Lyme Disease
Definition
Ixodes scapularis
Term
At what location is Lyme disease common in?
Definition
Temperate regions of North America, Europe, and Asia
Term
Describe disease process of Lyme disease
Definition
Incubation (3-32) -- Early infection -- Stage 1/localized infection -- Stage 2/disseminated infection -- Late Infection -- Stage 3/persistent infection
Term
What happens in Stage 1 of Lyme disease
Definition
Erythema migrans
Term
What happens in Stage 2 of Lyme disease
Definition
multiple annular secondary lesions
Malaise, fatigue, fever, chills, headache, lymphadenopathy, hepatitis, neurologic, cardiac, migratory arthritis
Term
What happens in Stage 3 of Lyme disease
Definition
patients develop intermittent joint pain and swelling
Term
What are the neuro problems that are caused in SLE
Definition
Meningitis, Encephalitis, Cranial neuritis Radiculoneuritis
Term
What are the CSF findings when pt has lyme Disease
Definition
100 WBC (lymphocytes), elevated protein, normal glucose
Term
What is the cardiac relation with Lyme
Definition
100 WBC (lymphocytes), elevated protein, normal glucose
Term
Diagnosis of lyme disease
Definition
ELISA -- Western Blot
Term
What is Western Blot result of Lyme Disease
Definition
IgM 2 of 3 bands present is a positive test
IgG 5 of 10 bands present is a positive test
IgG 5 of 10 bands present is a positive test
IgG 5 of 10 bands present is a positive test
IgG 5 of 10 bands present is a positive test


IgG 5 of 10 bands present is a positive test
Term
Persistent of lyme disease obeer when
Definition
My
Term
Reasons of persistent symptoms of Lymes disease
Definition
No disease
Improper or inadequate therapy
Permanent tissue damage
Slow resolution/immune aberrancy
Fibromyalgia/deconditioning
Term
What causes Human monocytic ehrlichiosis
Definition
Ehrlichia chaffeensis
Term
What is the vector of Human monocytic ehrlichiosis
Definition
Lone Star tick, Amblyomma americanum
Term
What causes Human granulocytic ehrlichiosis/ Anaplasmosis
Definition
Anaplasma phagocytophilia
Term
What is the vector for Human granulocytic ehrlichiosis/ Anaplasmosis
Definition
Deer tick, Ixodes scapularis
Term
Clinical presentation of ehrlichiosis
Definition
Fever, Headache, Myalgias, Malaise 84 98
Anorexia 66 37
Rash 36 2-11

chills or rigors, nausea, vomiting, diarrhea, abd pain, cough SOB, lymphadenopathy, confusion
Term
What causes babesiosis
Definition
Babesia microti
Term
Vector in babesiois
Definition
Ixodes scapularis
Term
Symptoms of Babesio
Definition
malaise, fatigue, anorexia, shaking chills, fever, headache, myalgias, arthralgias, nausea, emesis, abdominal pain, depression, emotional lability;

hemolytic anemia, thrombocytopenia
Term
Maltrese Cross
Definition
Used to detect Babesiosis tetrads of merozoites, rare but diagnositic; Cross- tetrads of merozoites, rare but diagnositic

resemble ring forms of P. falciparum
Term
Cause of Rocky Mountain Spotted Fever
Definition
Rickettsia rickettsii
Term
Vector of Rocky Mountain Spotted Fever
Definition
Dermacentor variabilis, American dog tick, in the eastern 2/3 of the US
Term
Disease process of Rocky Mountain Spotted Fever
Definition
Feeding (1-2 wks) -- fever, myalgias, and headache -- rash 3-5 days after fever (begins on wrists and ankles, then palms and soles)
Term
What are the serology finding of Rocky Mountain Fever
Definition
normal WBC, Anemia, thrombocytopenia, Hyponatremia (50%), Increased LFTs
Term
Cause of Tick Borne Relapsing Fever
Definition
Borrelia spp
Term
Vector of Tick Borne Relapsing Fever
Definition
soft ticks of genus Ornithodoros
Term
Reservoirs of Tick Borne Relapsing Fever
Definition
Rodents and small animals (chipmunks, squirrels, rabbits ...)
Term
How is Tick Borne Relapsing Fever transmitted
Definition
at night, painless bite, feeding in 5-20 minutes
Term
Symptoms of TBRF
Definition
high fevers with rigors, severe headache, myalgias, arthralgias, lethargy, photophobia, and cough
Term
Signs of TBRF
Definition
conjunctival suffusion, petechiae, and diffuse abdominal tenderness
Term
Disease Process of TBRF
Definition
Bite -- Primary febrile episode (3-6 days) -- fever and symptoms recur after 7-10 days (relapse)
Term
How are relapse of TBRF caused
Definition
spontaneous appearance of antigenic variants under pressure from the host immune system

duration and intensity of symptoms decrease with each relapse
Term
Diagnosis of TBRF
Definition
Spirochetes seen on peripheral smear, but can have antigenic variation and relapse
Term
Clinical presentation of tularemia
Definition
from ulceroglandular and typhoidal (tick-borne) to oculoglandular, primary pneumonic and oropharyngeal (not tick-borne)
Term
Cause of tularemia
Definition
gram negative rod Francisella tularensis
Term
Reservoir of tularemia
Definition
rabbits, hares and ticks
Term
Common location of tularemia
Definition
Southwest and Western US
Term
Mode of transmission of tularemia
Definition
tick bite, direct contact with infected tissues, ingestion of contaminated meat, inhalation of aerosolized organisms, infected animal or insect bites
Term
Result of Ulceroglandular tularemia
Definition
Enlarged and tender lymphadenopathy, then necrosis
Term
Result of Tyhoidal tularemia
Definition
Fever, chills, headache, myalgias, sore throat, anorexia, nausea, vomiting, diarrhea, abdominal pain, and cough
(not assoc with lymphadenopathy)
Term
How are tularemia diagnosed
Definition
agglutinating antibodies
Term
Reservoirs of Colorado Tick Fever
Definition
ground squirrels, rabbits and deer
Term
Clinical presentation of Colorado Tick Fever
Definition
fever, chills, photophobia, headache, myalgias. Recurrences in 2-3 days in 50% of cases
Term
Describe Colorado Tick Fever
Definition
acute self-limited febrile illness
Term
Diagnosis of Colorado Tick Fever
Definition
isolation of coltivirus from blood or CSF
Term
Serology findings of Colorado Tick Fever
Definition
CF, neutralizing antibody, IFA
Term
Location of Colorado Tick Fever
Definition
11 Western states
Term
Location of Tick Paralysis
Definition
Pacific Northwest and Rocky Mountain states
Term
Cause of Tick Paralysis
Definition
salivary gland neurotoxin due to tick feeding
Term
Clinical presentation of Tick paralysis
Definition
Symmetric weakness of the lower extremities progresses to an ascending; flaccid paralysis over several hours or days; Sensory function usually spared; acute ataxia without muscle weakness
Term
Diagnosis of tick paralysis
Definition
Nerve conduction velocity and muscle action potentials are decreased; discovery of tick
Term
Cause of Southern Tick-associated Rash Illness (STARI)
Definition
Amblyomma americanum, Borrelia lonestari
Term
Vector of Southern Tick-associated Rash Illness (STARI)
Definition
Lone Star Tick
Term
Location of STARI
Definition
mid-Atlantic states
Term
Clinical presentation of STARI
Definition
headache, aching, fatigue, nausea
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