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FIRST AID CHAPTERS > Parasitology > Flashcards

Parasitology Flashcards

1
Q

CYSTS in water>
FATTY, FOUL SMELLING DIARRHEA>
TROPHOZITES/ cysts in STOoL>
Metronidazole

A

Giardia

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2
Q

Cysts in waTER>
BLOODY DIARRHEA, LIVER abscess>
TROPHOZITE (RBC in the cytoplasm) or cysts (up to 4 nuclei) in STOOL>

Metronidazole

A

Entamoeba histolytica

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3
Q

Tx for asymptomatic cyst passers w/ entamoeba histolytica

A

Iodoquinol

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4
Q

OOcysts in water>
SEVERE DIARRHEA IN AIDS pt or watery diarrhea in immcomp>
OOCYSTS on AF stain

A

Cryptosporidiumm

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5
Q

can be prevented by filtering city water suplies

Tx w/ NITZOXANIDE in IMmunocompetent hosts

A

Cryptosporidium

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6
Q

Chorioretinitis
hydrocephalus
intracranial calcifications

dx TACHYZOITE on biopsy

A

Toxoplasmosa gondi

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7
Q

reactivation of TP. gondi in AIDS pt

A

RING ENHANCING LESIONS SEEN ON MRI

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8
Q

Why should pregnant women avoid cats?

A

oocysts of tox gondi is found in CAT FECES

also in meat…MC

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9
Q

Tx TPG

A

Sulfadiazine

Pyrimethamine

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10
Q

swim in freshwater lakes>
little dude enters through cribiform plate>
FATAL MENIGOENCEPHALITIS

dx by AMOEBAS in spinal fluid

A

Naegleria foweleria

ampho B may help

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11
Q

Tstese fly bite>

enlarged LN, recurring fever, somnolence, coma

A

African sleeping sickness (trypanosoma brucei)

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12
Q

tx for trypanosoma brucei

A

blood borne: SURanmi

CNS penetration: MELrsoprol

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13
Q

Bite from ANOPHELES>

Fever
HA
Anemia
Splenomegaly

A

Malaria

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14
Q

trophozoite ring in RBC

shizont w/ merozoites

A

Malaria

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15
Q

48 hrs cycle

dormant form HYPNOZOITE in liver

Schuffner stipppling (red granules thorughout RBC cytoplasm)

A

P. Vivax/ovale

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16
Q

severe, irregular fever patterns

parasitized RBC occlude capillaries in brain, kidneys, lungs

A

P. falciparum

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17
Q

72 hrs cycle

A

p. malariae

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18
Q

blocks plasmodium heme polymerase

A

Chloroquine (FIRST LINE for malaria)

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19
Q

if resistant to chloroquine….

A

mefloquine

atovaquone/proguanil

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20
Q

if life threatening malaria….

A

IV quinidine or artesunate

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21
Q

sued for p. vivax/ovale for HYPONOZITE dormant in liver

A

primaquine

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22
Q

IODES TICK>
fever and hemolytic anemia in NE US>
MALTESE CROSS or RING on a blood smear

A

Babesia

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23
Q

tx for babesia

A

atovaquone (used for resis malaria) and azithromycin

24
Q

SOUTH AMERICA…..

REDUVID BUG POOP is deposited in a PAINLESS bite>
dilated CARDIOMYOPATHY, MEGA-colon/esophagus + achalasia

UNILATERAL PERIORIBITAL SWELLING

A

CHagas DISease from trypanosoma Cruzi

CHAGAS in Santa CRUZi

25
Q

tx Chagas

A

benznidazole

nifurtimox

26
Q

Sandfly>
SPIKING fevers, hepatosplenomegaly and pancytopenia

dx: Mphages w/ AMASTIGOTES

A

Leishmania donovani

27
Q

tx leishmania

A

ampho B

sodium stibogluconate

28
Q

Sexual contact>
VAGINITIS (foul-smelling and GREEN)

dx: trophozoites are seen on WET MOUNT and the pt has STRAWBERRY CERVIX

A

TRICHOMONAS

29
Q

tx for trichomonas?

A

metronidaozle

30
Q

Fecal oral nematodes

A

Enterobius
Ascaris
Trichinella
Toxocaracanis (Tissue)–

31
Q

Anal pruritis dx by tape test

A

Enterobius

BENDazoles for the bendy pinworm

32
Q

intestinal infection w/ possible OBSTRUCTION of the ileocecal valve
…GIANT

A

Ascaris

Bendazole

33
Q

why you’re scared to eat pigs….

undercoorked meat (pork)
lavare enter bloodstream> encyst in STRIATED muscle cells> INFLLAMATION of the muscle

fever, N/V, periorbital edema, MYALGIA

A

trichinella spiralis

Bendazole

34
Q

transmitted by SANd….aka you stand on it and it goes thorugh your skin

A

Stronglytoides
Ancylostoma
Necator

35
Q

roundworm infection that can feel like a peptic ulcer

A

Stronglyoides

IVERMECTIN or Bendazole

36
Q

can cause ANEMIA by sucking BLOOD from intestinal wals

A

suck the sweet NECTAR, Acylostoma

pyrantel pamoate or Bendazole

37
Q

tissue infection transmitted by BITE–>OW

A

Onchocera voluvulus= female black fly
Wuchereria bancrofti= female mosquito
Loa Loa= deer/horse/mango fly

38
Q

BLACK flies
BLACK skin nodules
BLACK SITE

…and maybe an allergic rxn to microfilaria

A

Onchocerca volvulus= rIVER blindnies

IVERmectin

39
Q

worm blocks lymphatic vessels after 9 mos to a year!–> Elephantitis

A

Diethylcarbamazine

40
Q

skin swelling + worm in conjunctiva

A

Loa LOa

diethylcarbamazine

41
Q

lavare in undercooked PORK>
intestinal infection

ingestion of eggs>
cysticercosis, neurocysticercosis (albendazole)

A

Taenia solium (tapeworm)

Praziquantel

42
Q

larvae from freshwater fish>
B12 def>
MEGALOBLASTIC ANEMIA

A

diphylloborthrium latum (tapeworm)

Praziquantel

43
Q

ingest eggs from dog FECES/Sheep herder….>
hyatid CYSTS in the LIVER that can cause anaphylaxis if released….so tehy’re injected w/ ethanol or hypertonic saline to kill daughter cysts before removal

A

Echionoccus granulosus (sheep herders/dogs!!) (tapeworm)

albendazole

44
Q

host SNAIL>
cercariae penetrate host SKIN>
liver and spleen enlargement, fibrosis and inflammation

A

Schistosoma

Praziquantel

45
Q

chronic infection s. schistomsoma haematobium

A

(egg w/ TERMINAL spine)

SCC of bladder and pulmonary HTN

46
Q

undercooked fish>

biliary tract inflammation and PIGMENTED GALLSTONES…..and maybe even cholangiocarcinoma

A

clonorchis sinensis

Praziquantel

47
Q

biliary tract disease

Cholangiocarcinoma

A

Clonorchis sinensis

48
Q

Brain cysts
seizures

…PORK tapeworm

A

Taenia solium

49
Q

Hematuria
Sq cell bladder canacer

..SNAILS

A

Schistosoma

50
Q

Liver hyatid cysts …think sheep herder

A

Echincococcus granulosus

51
Q

Microcytic anemia

suck the sweet nectar….

A

nectar

ancylostoma

52
Q

myalgias
periorbital edema

…undercooked pork roundworm

A

trichinella will fuck up your muscle cella

53
Q

perianal pruritis

A

enterobius (little kids itching their asses ride the BUS)

54
Q

portal HTN

snail that can cause fibrosis and inflammation of liver and spleen

A

Schistosoma mansoni, schistosoma japonicum

55
Q

B12 def

FISH competes for B12 in the intestine!!

A

Diphyloobothrium latum

FIRST AID CHAPTERS (17 decks)

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