Guinea Worms Filarial Roundworms

Question 1

Dracunculus Medinensis

Answer 1

Guniea Worm
Dranculiasis
LARGE NEMATODE
Larvae ovoviviparous
Larvae in bath water, expelled by female worms

Question 2

Life Cycle Dracunculus

Answer 2

female emerges
1st stage larvae eaten by copepod
Definitive host: inadvertently consumes copepod
Infective: 3rd stage larva

Question 3

Pathophysiology Dracunculus Medinensis

Answer 3

1 yr after, worm emerges

Sub q and skin of lower extermities

Question 4

Epidemiology Dracunculus Medinensis

Answer 4

Endemic to areas of Africa

Ponds in desert environment

Question 5

Diagnosis Dracunculus Medinensis

Answer 5

No relieable method
Metronidazole
Surgical removal
winding around a stick

Question 6

Wuchereria Bancrofti

Answer 6

Bancroft Filarial Worm
Wuchereriasis
Bancroft Filariasis
ELEPHANTITIS
MICROSCOPIC

Question 7

Wuchereria Bancrofti Life Cycle

Answer 7

Fliariform Larva, infective stage,Mosquito feeds on the person, enters the woung via mosquito wound site, Migrates to lymphatics

Question 8

Wuchereria Bancrofti Pathophysiology

Answer 8

Inflammatory response
fever-> lymphagenitis-> Lymph Stagnation -> Elephantoid
Enlargement when channels occluded

Question 9

Wuchereria Bancrofti Epidemiology

Answer 9

Africa, Asia Haiti Brazil
Vectors- Night Feeding Mosquitos
P blood max 10PM -2AM

Question 10

Wuchereria Bancrofti Diagnostic

Answer 10

Microfilairia in blood
Serological card tests
PCR fairly reliable

Question 11

Wuchereria Bancrofti Treatment

Answer 11

DOC
Diethylcarbamazine
Ivermectin

Question 12

Brugia Malayi

Answer 12

Malayan Worm

Malayan Filiariasis

Question 13

Brugia Malayi Epidemiology

Answer 13

Asia South pacific islands

Mosquitos are vectors

Question 14

Onchocerca Volvulus

Answer 14

Onchocerciasis or RIVER blindness
Life Cycle: Infective Stage: Filiariform
Reside in SUBQ for 15 yrs
Microfilaria ingest by black fly in blood meal

Question 15

Onchocerca Volvulus Pathophysiology

Answer 15

No pain in nodule
Elephantiasis normal skin architecture diminishes
Eye Involvement
-Visual
-Microfiliariae
-Sclerosing Keratitis

Question 16

Onchocerca VolvulusEpidemiology

Answer 16

Africa and Ecuador Africa, Yemen, Latin Amer Endemic

Black flies vector: come from river

Question 17

Onchocerca Volvulus Diagnosis

Answer 17

Surgical removal of node

Question 18

Onchocerca Volvulus Treatment

Answer 18

Ivermectin

Question 19

Loa Loa

Answer 19

Eye Worm

Question 20

Loa LoaLife Cycle

Answer 20

Filariform Larve

Subq tissue and eye

Question 21

Loa Loa Pathogenicity

Answer 21

Sub q of chest penis groin scalp

provoke inflammatory

Question 22

Loa Loa Epidemiology

Answer 22

Endemic Africa
Intermediate Host are Deer Flies
Definitive Host is Human
No Animal Reservoirs

Question 23

Loa Loa Therapy

Answer 23

DiethylCarbamezapine

Deer fly removal

Question 24

Dirofilaria Immitis

Answer 24

Dog heartworm
Infective:Filariform
right heart and pulm artery location

Question 25

Dirofilaria Immitis Pathophysiology

Answer 25

Sub q lungs heart

Coin LESION

Question 26

Dirofilaria Immitis Epidemiology

Answer 26

Most prevalent eastern and southern USA
Dog and coyote
Mosquito intermediate
Human is unnatural

Question 27

Dirofilaria Immitis Dx and Tx

Answer 27

Coin lesion tumor in lung

Surgical removal