Infections of the circulatory system

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8 Terms

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Infective Endocarditis

S. Aureus, S. Pyogenes

Vegetation of the endocardium- clusters of bacterial cells, platelets, and fibrin

Flu-like symp, arrhythmias, myalgia, arthralgia, abcesses around valves

OSLERS NODES- painful, erythematous nodules on finger and toes

JANEWAY LESIONS- painless, erthematous patches on palms and soles

Break loose and travel to brain/lungs/kidneys

(human)

cant be trasmitted person to person

Entry of bacteria into bloodstream when burshing teeth, dental procedures or drug use

<p>S. Aureus, S. Pyogenes</p><p>Vegetation of the endocardium- clusters of bacterial cells, platelets, and fibrin</p><p>Flu-like symp, arrhythmias, myalgia, arthralgia, abcesses around valves</p><p>OSLERS NODES- painful, erythematous nodules on finger and toes</p><p>JANEWAY LESIONS- painless, erthematous patches on palms and soles</p><p>Break loose and travel to brain/lungs/kidneys</p><p>(human)</p><p>cant be trasmitted person to person</p><p>Entry of bacteria into bloodstream when burshing teeth, dental procedures or drug use</p><p></p>
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Rocky Mountain Spotted Fever (RMSF)

Rickettsia Rickettsi

Fever, headache, nausea, abdominal pain

Red non itchy rash, starts MACULES progress to PETECHIAE (red spots)or PURPURA(purple blotches) - appearing 3-5 days after fever onset

1st on wrist and ankles then spread centrally to trunk

(Dogs, Deers, Rodents)

bite of infected ROCKY MOUNTAIN WOOD or AMERICAN DOG TICK

bacteria invade and multiply within endothelial cells lining the small blood vessels

<p>Rickettsia Rickettsi</p><p>Fever, headache, nausea, abdominal pain</p><p>Red non itchy rash, starts MACULES progress to PETECHIAE (red spots)or PURPURA(purple blotches) - appearing 3-5 days after fever onset</p><p>1st on wrist and ankles then spread centrally to trunk</p><p>(Dogs, Deers, Rodents)</p><p>bite of infected ROCKY MOUNTAIN WOOD or AMERICAN DOG TICK</p><p>bacteria invade and multiply within endothelial cells lining the small blood vessels</p>
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Ehrlichiosis

Multple ehrlichia species

invades WBC

similar to RMSF s/s

RASH IS LESS COMMON

1st apprears on trunk and rarely involves palms/soles

BITE OF INFECTED LONE STAR TICK

(Dogs, Deers, Rodents)

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Plague

Yersinia Pestis

Fever, headache, weakness, chills,

BUBONIC- lymph nodes, buboes-Cervical, axillary, inguinal

SEPTICEMIC: blood stream, tissue death in extremities, blackening fingers, toes, nose

PNEUMONIC: lung alveoli, dyspnea, hemopytosis

Bubonuc/septicemic: bite of infected flea

pneumonic: inhalation of secretions

(Rodents, rats, mice, squirrels)

<p>Yersinia Pestis</p><p>Fever, headache, weakness, chills, </p><p>BUBONIC- lymph nodes, buboes-Cervical, axillary, inguinal</p><p>SEPTICEMIC: blood stream, tissue death in extremities, blackening fingers, toes, nose</p><p>PNEUMONIC: lung alveoli, dyspnea, hemopytosis</p><p>Bubonuc/septicemic: bite of infected flea</p><p>pneumonic: inhalation of secretions</p><p>(Rodents, rats, mice, squirrels)</p>
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Lyme Disease

Borrelia Burgdorferi

fever, headache, myalgia

BULLS EYE-RASH- erythema migrans, starts as a small red PAPULE and expans outwards with a clear zone forming around papule.

MOST COMMON VECTOR-BORNE DISEASE IN US.

(Deers- Rodents)

Bite of infected DEER or BLACKLEGGED TICK

<p>Borrelia Burgdorferi</p><p>fever, headache, myalgia</p><p>BULLS EYE-RASH- erythema migrans, starts as a small red PAPULE and expans outwards with a clear zone forming around papule.</p><p>MOST COMMON VECTOR-BORNE DISEASE IN US.</p><p>(Deers- Rodents)</p><p>Bite of infected DEER or BLACKLEGGED TICK </p>
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Rickettsia Rickettsii

Gram - bacillus

obligate intracellular pathogen

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Yersinia Pestis

Gram - bacillus

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Borrelia Burgdorferi

Gram - spirochete