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Flashcards in ID 15 Deck (50):
1

Most common infections causing brain abscesses

Viridian's streptococci + staph aureus

2

What are multiple brain abscesses indicative of?

Bacteremia

3

Single brain abscess accompanied by otitis media and mastoiditis?

contiguous spread of infection from temporal lobe and cerebellum.

4

Single brain abscess accompanied by sinusitis or dental infection?

Contiguous spread from frontal lobe.

5

osteomyelitis + SCD?

salmonella and *S aureus

6

osteomyelitis with vertebral involvement?

S aureus + TB (port's disease)

7

most common causes of osteomyelitis with IVDU?

Pseudomonas
Candida
S aureus

8

Approach to osteomyelitis

Remember to consider whether patient is sexually active.

9

best imaging for osteomyelitis?

MRI

10

labs with osteomyelitis?

Elevated CRP + ESR common but nonspecific.

11

UTI in a male think...

Congenital defect or vesioureteral reflex

12

UTI in elderly male think...

BPH

13

RF's for UTI's in women

Obstruction
Kidney surgery
Catheterization
GU malformation
Diabetes
Pregnancy

14

3rd leading cause of UTI?

klebsiella

15

Klebsiella description

1) large mucoid capsule
2) *viscous colonies

16

serrate characteristics

1) nosocomial
2) *often drug resistant

17

What does positive leukocyte esterase indicate?

Evidence of WBC activity.

18

positive nitrites think...

e coli

19

vaginosis signs/symptoms

1) no inflammation
2) thin, white discharge with fishy odor

20

pH in vaginosis

greater than 4.5

21

pH in vaginitis

greater than 4.5

22

candida vulvovaginitis signs/symptoms

1) inflammation
2) thick, white cottage cheese discharge)

23

candida pH

normal (4-4.5)

24

approach to common vaginal infections

consider inflammation + pH

25

maternal manifestation of toxoplasma

usually asymptomatic; lymphadenopathy (rarely)

26

other finding in congenital toxo

blueberry muffin rash

27

congenital rubella presentation

cataracts
deafness
PDAs
blueberry muffin rash

28

calcifications in CMV vs. toxo

*intracranial in toxo; periventricular in CMV

29

CMV presentation in mom

usually asymptomatic; mono-like illness

30

CMV presentation in newborn

Hearing loss
Seizures
Petechial rash
"blueberry muffin" rash
periventricular calcifications

31

congenital HIV presentation

1) recurrent infections
2) chronic diarrhea

32

HSV-2 presentation in newborn

1) encephalitis
2) herpetic (vesicular) lesions

33

What stages of syphilis are likely to result in fetal transmission?

chancre (primary)
disseminated (secondary)

34

congenital syphilis presentation

Often results in stillbirth; hydrous fetalis.
survives --> notched teeth, saddle nose, short maxilla, saber shins, deafness

35

Coxsackie type A presentation

Oval-shaped vesicles on palms and soles; vesicles and ulcers in oral mucosa

36

roseola presentation

Asymptomatic *rose-colored macules on body after several days of high fever; can present with febrile seizures; usually affects infants.

37

Disease caused by parvovirus B19

Erythema infectiosum

38

other name for erythema infectiosum

Fifth disease.

39

Rubella rash

Pink coalescing macules begin at head and move down --> fine desquamating truncal rash; post auricular lymphadenopathy.

40

VZV rash pattern

Vesicular rash that begins on trunk; spreads to face and extremities with lesions of different stages.

41

chancroid associated with...

haemophilus ducreyi

42

chancroid presentation

painful genital ulcer with exudate, inguinal adenopathy

43

chlamydia features

urethritis
cervicitis
epididymitis
conjunctivitis
reactive arthritis
PID

44

herpes usually caused by

HSV-2

45

burning on urination...

urethritis (gonorrhea or chlamydia)

46

gonorrhea presentation

*creamy purulent discharge
urethritis
cervicitis
PID
prostatitis
epididymitis
arthritis

47

painful lymphadenopathy think...

lymphogranuloma venereum

48

condylomata lata is...

secondary syphilis

49

other features of secondary syphilis

fever
lymphadenopathy

50

staph aureus capsule?

Large polysaccharide capsule