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infectious disease > Viral Hemorrhagic Fevers Quickie > Flashcards

Viral Hemorrhagic Fevers Quickie Flashcards

1
Q

What causes lassa?

A

Rodent to human (multi a.m. mate rat

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3
Q

What are the phases of hantavirus?

A

Febrile, hypotensive, oliguric, diuretic, convalescent

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4
Q

What phase of hantavirus has, bleeding tendency caused by uremia w/ thrombocytopenia? Palatal petechiae?

A

Oliguric

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5
Q

Very high fever (105.8), HA, retro-orbital pain, N/V, truncal scarlatina rash, myalgia, arthralgias, bleeding nose and gums, and abdominal pain?

A

Dengue fever

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8
Q

Phases of yellow fever and their characteristics?

A

Acute: fever, HA/bilious vomiting, conjuntival injection for 3 days

24 hr remission, saddle back

Toxic phase: tons of shit, Brady Cardin, arrhythmia, swelling, petechiae, hematemeiss, epistaxis, jaundice, dark urine, stool changes

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10
Q

Black water vomit?

A

Yellow fever

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11
Q

What phase of hanta virus has absolute bradycardia?

A

Febrile phase

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12
Q

What is the treatment for Lassa?

A

Ribavirin

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13
Q

Ghost like facies late in disease, bleeding fro puncture site, bleeding from GI tract, tachypnea

A

Ebola

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15
Q

AST levels are much higher than ALT levels

A

Lassa

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17
Q

Where is dengue?

A

Tropics

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20
Q

What is the treatment for Crimean Congo?

A

Ribavirin, supportive care

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21
Q

Where is lassa?

A

West Africa Nigeria, Sierra Leone, Guinea, and Liberia

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22
Q

Where is Ebola and marburg?

A

Uganda

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23
Q

Insidious onset 1-3 weeks, fever, joint/lumbar pain, prostration, deafness?

A

Lassa

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25
Q

Hemorrhagic fever w/ renal failure syndrome?

A

Hantavirus

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26
Q

Virus replicates in the reticuloendothelial system. Viremia occurs and the immune system is over whelmed leading to jaundice?

A

Yellow fever

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28
Q

Where is crimea-Congo hemorrhagic fever?

A

Africa, Asia, Middle East, Eastern Europe

29
Q

Fever, hemorrhage, renal insufficency in child under 15

A

Hanta virus

32
Q

Wha phase of hantavirus has tachcardia signaling impending shock, paralytic ileus, and purposeless mvmts?

A

Hypotensive

33
Q

What is the treatment for Hantavirus?

A

Maintain fluid and electrolyte, ribavirin

35
Q

What are the two types of mosquitoes that cause yellow fever?

A

Epidemic/urban (aedes aegypti), sylvatic/jungle (various mosquitoes)

36
Q

What is the mosquito for dengue fever?

A

Aedes aegypti (or albopictus), domestic, day biter

37
Q

Hiccups and tachypnea are noted in these terminally ill patients?

A

Ebola and marburg

38
Q

Where is Ebola?

A

Uganda, and DRC

40
Q

What causes Crimean Congo?

A

Ticks, viremic livestock, infected patients body fluids

41
Q

Flu like symptoms, 3-5 days hemorrhage, MASSIVE ECCHYMOSIS, hepatomegaly, ERYTHEMA (pharynx, face, conjunctiva, neck)

A

Crimean Congo

42
Q

Where does hantavirus virus occur?

A

Far East

43
Q

Dengue fever MC metabolic change?

A

Hyponatremia

45
Q

Severe HA, pharyngitis, arthralgias and myalgia, fever, Asthenia, maculopapular rash, followed by GI symptoms

A

Ebola

46
Q

Rash, petechiae/ purpura, conjunctival injection, pharyngeal injection, generalized lymphadenopathy, hepatomegaly?

A

Dengue fever

47
Q

Virus usually spread in health care/ lab setting, and human to human in acute stage only?

A

Ebola and Marburg

50
Q

What is the treatment for Ebola and marburg?

A

Isolation, fluids, human convalescent plasma, ZMAPP

51
Q

When is lassa very bad?

A

Third trimester

55
Q

Causes swollen baby syndrome

A

Lassa

56
Q

What is the treatment for yellow fever?

A

Supportive, immunization, isolation of patients, FFP FOR BLEEDING

61
Q

Fillvirus is what?

A

Ebola

63
Q

What is the treatment for dengue?

A

DF: self limited (acetaminophen)

DHF/ DSS: (admission for IV fluid administration, WHOLE BLOOD TRANSFUSION, drop in HCT of 10%=significant hemorrhage)

65
Q

Hemorrhagic rash appears over entire body?

A

Ebola

66
Q

What is the natural reservoir of Ebola and marburg?

A

Bats

71
Q

Fever abates for a day then returns, “saddle back fever”

A

Dengue

73
Q

What effects humans and non human primates?

A

Ebola and Marburg

74
Q

Petechiae and bleeding at venipuncture?

A

Dengue fever

80
Q

Tourniquet test/ what virus?

A

Dengue/ 20 per sq. Inch

infectious disease (18 decks)

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