Rapid Review: Infectious Disease Flashcards

(48 cards)

1
Q

The 3 most common causes of fever of unknown origin

A

Infection, cancer, and autoimmune disease

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2
Q

Four signs and symptoms of streptococcal pharyngitis

A

Fever, pharyngeal erythema, tonsillar exudate, lack of cough

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3
Q

A nonsuppurative complication of streptococcal infection that is not altered by treatment of primary infection

A

Postinfectious glomerulonephritis

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4
Q

The most common predisposing factor for acute sinusitis

A

Viral URI

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5
Q

Asplenic patients are particularly susceptible to these organisms

A

Encapsulated organisms: pneumococcus, meningococcus, haemophilus influenzae, klebsiella

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6
Q

The number of bacteria needed on a clean-catch specimen to diagnose a UTI

A

10^5 bacteria/mL

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7
Q

Which healthy population is susceptible to UTIs

A

Pregnant women. Treat aggressively

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8
Q

A patient from Ca or Az presents with fever, malaise, cough, and night sweats. Diagnosis? Treatment?

A

Coccidioidomycosis; amphotericin B

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9
Q

Nonpainful chancre

A

Primary syphilis

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10
Q

A blueberry muffin rash is characteristic of what congenital infection?

A

Rubella

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11
Q

Meningitis in neonates. Causes? Treatment?

A

GBS, E coli, Listeria. Treat with gentamicin and ampicillin

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12
Q

Meningitis in infants. Causes? Treatment?

A

Pneumococcus, meingococcus, H influenze. Treat with cefotaxime and vancomycin

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13
Q

What should always be done prior to LP?

A

Check for increased ICP; look for papilledema

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14
Q

CSF findings:

  • Low glucose, PMN predominance
  • Normal glucose, lymphocytic predominance
  • Numerous RBCs in serial CSF samples
  • Increased gamma globulins
A
  • Bacterial meningitis
  • Aseptic (viral meningitis
  • Subarachnoid hemorrhage
  • MS
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15
Q

Initially presents with a pruritic papule with regional lymphadenopathy; evolves into a black eschar after 7-10 days. Treatment?

A

Cutaneous anthrax. Treat with penicillin G or ciprofloxacin

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16
Q

Findings in tertiary syphilis

A

Tabes dorsalis, general paresis, gummas, Argyll Robertson pupil, aortitis, aortic root aneurysms

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17
Q

Characteristics of secondary Lyme disease

A

Arthralgias, mirgratory polyarthropathies, Bell’s palsy, myocarditis

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18
Q

Cold agglutinins

A

Mycoplasma

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19
Q

A 24 year old man presents with soft white plaques on his tongue and the back of his throat. Diagnosis? Workup? Treatment?

A

Candidal thrush. Workup should include an HIV test. Treat with nystatin oral suspension

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20
Q

At what CD4 count should Pneumocystitis jiroveci penumonia prophylaxis be initated in an HIV+ patient?

21
Q

Risk factors for pyelonephritis

A

Pregnancy, vesicouretral reflux, anatomic anomalies, indwelling catheters, kidney stones

22
Q

Neutropenic nadir postchemotherapy

23
Q

Erythema migrans

A

Lesion of primary lyme disease

24
Q

Classic physical findings for endocarditis

A

Fever, heart murmur, Osler’s nodes, splinter hemorrages, Janeway lesions, Roth’s spots

25
Aplastic crisis in sickle cell disease
Parvovirus B19
26
Ring-enhancing brain lesion on CT with seizures
Taenia solium (cysticercosis)
27
NTO: Branching rods in oral infection
Actinomyces israelii
28
NTO: Weakly gram +, partially acid fast in lung infection
Nocardia asteroides
29
NTO: Painful chancroid
Haemophilus ducreyi
30
NTO: Dog or cat bite
Pasteurella multocida
31
NTO: Gardener
Sprorthrix schenckii
32
NTO: Raw pork and skeletal muscle cysts
Trichinella spiralis
33
NTO: Sheepherders with liver cysts
Echinococcus granulosus
34
NTO: Perianal itching
Enterobius vermicularis
35
NTO: Pregnant women with pets
Toxoplasma gondii
36
NTO: Meningitis in adults
Neisseria meningitidis
37
NTO: Meningitis in elderly
Streptococcus pneumoniae
38
NTO: Meningoencephalitis in AIDS patients
Cryptococcus neoformans
39
NTO: Alcoholic with pneumonia
Klebsiella
40
NTO: Currant jelly sputum
Klebsiella
41
NTO: Malignant external otitis
Pseudomonas
42
NTO: Infection in burn victims
Pseudomonas
43
NTO: Osteomyelitis from a foot wound puncture
Pseudomonas
44
NTO: Osteomyelitis in a sickle cell patient
Salmonella
45
A 55 year old man who is a smoker and a heavy drinker presents with a new cough and flulike symptoms. Gram stain shows no organisms; silver stain of sputum shows gram negative rods. What is the diagnosis?
Legionella pneumonia
46
A middle aged man presents with acute onset monoarticular joint pain and bilateral Bell's palsy. What is the likely diagnosis, and how did he get it? Treatment?
Lyme disease, Ixodes tick, doxycycline
47
A patient develops endocarditis 3 weeks after receiving a prosthetic heart valve. What organism is suspected?
S aureus or Staphylococcus epidermidids
48
A patient develops endocarditis in a native valve after having a dental cleaning
Streptococcus viridans