Infectious Flashcards

1
Q

Ehrlichosis

A

Midwest and Delaware
Lone Star tick
Nonspecific febrile illness, skin rash, GI
Doxycycline treatment

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2
Q

Rocky Mountain Spotted Fever

A

Southeast/Midcentral states

Non-specific febrile illness, muscle pain, rash that starts small and is very red with spread over a few days into macropapular rash

IgG antibodies may take a week to show up, serial testing needed

Treat with doxycycline even if pediatric or pregnant

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3
Q

Lyme Disease

A

Northeast, mid-atlantic, upper mid-west
3 stages
-early localized (bulls eye rash), flu like symptoms
-early disseminated (neuro and cardiac, menningitis)
-Late persistant (arthirits, polyneuropathy, months later)

Treat with Doxycycline (IgM test may take weeks and ELISA can be positive for years)
If pediatric or pregnant - treat with amoxicillin

Severe symptoms, use ceftriaxone

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4
Q

Babesiosis

A

rare and life-threatening infection of the red blood cells that’s usually spread by ticks

flu-like symptoms, such as fever, chills, sweats, headache, body aches, loss of appetite, nausea, or fatigue, can cause hemolytic anemia

quinine and clindamycin or a combination of atovaquone and azithromycin

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5
Q

Zika Virus

A

20% develop symptoms
-fever, diffuse pruritic rash, neurologic symptoms
PCR test available
Biggest risk is travel to endemic area (mosquito transmitted)

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6
Q

Yellow Fever

A

Results in hepatitis
mosquito transmitted
non-specifc febrile illness, conjunctiva, gignivitis, liver pain, elevated liver panels
AST more than twice ALT is red flag

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7
Q

Infectious Mono

A

Sore throat, fever, cervical lymphadenopathy, fatigue
Test again in 7-10 days (early negative is common)
Always strep screen
Supportive care, no contact sports for at least 3-4 weeks
Abx if severe rash develops

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8
Q

Reportable STIs

A

Chlamydia
Syphillis
Gonorrhea

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9
Q

Gonorrhea

A

Ceftriaxone 250mg IM once

Plus Azithromycin 1g PO or Doxycycline for 7 days

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10
Q

Gonorrhea Symptoms

A

Purulent urethral discharge in men

Often asymptomatic in women

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11
Q

Chlamydial Presentation

A

Usually asymptomatic
Vaginal discharge, burning with urination
Testicle edema
Rectal discharge

May lead to PID

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12
Q

Syphilis Presentation

A
Infectious lesions (chancres) usually painless
Secondary syphilis = macules and papules on trunk, etc
Condylomata lata - raised flat gray papular lesions

Treated with Penicillin G

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13
Q

Chancroid

A

Painful genital ulceration and inflammatory adenopathy

Treat with single dose azithromycin 1gm oral OR ceftriaxone 250mg IM or 3 day Cipro

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