Nicolina - Derm infections

Question 1

child
 Fine confluent macules which start on face/head and move down to trunk and extremities.
 Fine desquamating truncal rash.
 Postauricular lymphadenopathy, mild fever, arthralgia, and rash.
 INFANTS: blueberry muffin rash (extramedullary hematopoiesis), Patent ductus arteriosis, cataracts,
deafness. “

Answer 1

RubELLA, togavirus, (+)ssRNA

Question 2

child
 3c’s: Cough, Coryza (aka runny nose), and Conjunctivitis
 Fever and (not?) feeling ill
 Koplik spots: Red with blue‐white centers on the buccal mucosa. They show up 1‐2 days before the
measles rash.
 Rash: confluent erythematous macules and papules. Forehead to face, neck and torso. Hits feet by 3rd
day.
 Subacute sclerosing panencephalitis (SSPE): Many years after measles infection the child may have
slowly progressing central nervous system disease. This leads to slow mental deterioration

Answer 2

Measles (RubeOLA)

Question 3

microbe that causes measles (rubeOLA)

Answer 3

paramyxovirdae

(-)ssRNA

Question 4

child
 High fever for 3‐5 days which can lead to seizures.
 Fevers stop then you get rash.
 Rash: Diffuse macular rose colored on trunk and can spread to limbs. Lasts a day or two.

Answer 4

Roseola

Question 5

microbe that causes roseola

Answer 5

HHV7/HHV6 - ds lienar DNA

Question 6

child
 Oval shaped vesicles on palms and soles.
 Vesicles and ulcers on oral mucosa.

Answer 6

hand-foot-mouth

Question 7

microbe that causes hand-foot-mouth

Answer 7

coxsackie virus type A - picornavirus (+)ssRNA

Question 8

child
 aka erythema infectiosum aka 5ths disease
 Lacy Rash and Fever
 “Slapped Cheek

Answer 8

Parvovirus B19 (ssDNA)

Question 9

child
 Erythematous, sandpaper like rash.
 Rash begins on trunk and neck then spreads to extremities.
 Palms and soles spared.
 Desquamation.
 Fever and sore throat.
 Strawberry tongue.
 Pastia’s lines: linear petechial rash in axillary fold and antecubital fossa

Answer 9

scarlet fever

Question 10

microbe that causes scarlet fever

Answer 10

strep pyogenes

Question 11

child
 Fever, malaise, headache
 Starts on face and trunk and spreads
 Vesicular rash “dew on rose petal”
 Vesicles will erupt then scar over
 Vesicles at different ages

Answer 11

Chicken pox

Question 12

virus that causes chicken pox

Answer 12

(VZV) Varicella‐Zoster Virus

Question 13

what family
 Small gram negative, non‐motile, rod to coccoid shape bacterium.
 Obligate intracellular bacterium.
 Most present as high fevers, rashes, and bad headaches.

Answer 13

rickettsia family

Question 14

Rash: starts on wrists, ankles, SOLES, PALMS, then will spread to trunk.
 Rash can become hemorrhagic if not treated and progress to death.

Answer 14

rickettsia rickettsii (rocky mountain spotted fever)

Question 15

 Transmitted via mites (mouse mites)
 Starts with initial red papule at site of bite then papule turns into vesicle.
 Days later headache and fever start
 Vesicles then will appear all over the body

Answer 15

Rickettsia akari (Rickettsial pox)

Question 16

 Stem: war, over‐crowded conditions, poverty, unsanitary conditions.
 Transmitted by Lice, humans and flying squirrels are vectors.
 Fever and headache
 On 5th day Fever
 Fever: small pink macules on upper trunk then spreads to entire body.
 Spares the palms, soles, and face.
 Gangrene of feet or hands can occur

Answer 16

rickettsia prowazekii (epidemic typhus)

Question 17

 Very similar to epidemic typhus
 Spread by rat fleas
 Fever, headache
 Rash: maculopapular (very similar looking to epidemic typhus.

Answer 17

Rickettsia typhi (endemic typhus)

Question 18

 From Lice
 Was spread in the trenches by the body louse. Soldiers got it.
 High fevers, headache, leg and back pain, and Rash
 5 day interval cycles of fever

Answer 18

Bartonella Quintana (Trench Fever)

Question 19

 From a cat bite or scratch
 Lymphadenopathy, low grade fever, malaise
 Rash: cutaneous lesion at site of inoculation which shows up 3‐10 days later.
 It goes through phases of a vesicular, erythematous, and papular phase.

Answer 19

Bartonella henselae (Cat‐Scratch Disease)