Infectious Disease Exam Review Flashcards
Disease that can form a “fungal ball” on x-ray
Aspergillus
Gimesa stain/ peripheral smear to make the Dx of what condition?
Malaria
Covid 19 test sensitivity day above 50%
Day 5
Disease which involves a nontreponemal test and a treponemal test to Dx
Syphilis
Multiple ring enhancing lesions seen on MRI of the brain
Toxoplasmosis gondii
Your 23 y/o male pt is positive for Chlamydia. What is the Tx?
Doxycycline 7 days AND Ceftriaxione IM 1x
Vesicular lesions seen on the finger
Herpetic whitlow
Symptoms of Fitz-Hugh-Curtis Syndrome (involves liver capsule inflammation)
Fever, abdominal pain, vaginal discharge, dyspareunia, dysuria, prolonged menses or post-coital bleeding
(usually caused by chlamydia)
2nd line Tx for PCN allergic pts with Syphylis
There is none
Most common valve affected by acute rheumatic fever
Mitral valve
Most common cause of bacterial enteritis in the US
Campylobacter jejuni
Morphology of gonorrhea
Gram negative diplococci
“Scotch tape test” positive
Pinworms (enterobiasis)
Focal necrotizing retinitis
Toxoplasmosis
Enlarged cells with viral inclusion bodies
CMV (cytomegalovirus)
Name of this secondary condition (image of bald patches on head)
Syphilitic alopecia
Hutchinson Sign; describe what it is
CN V1 distribution of varicella-zoster down to the nose [send to ophthalmology]
Types of HPV the original Gardasil vaccine covered
6, 11, 16, 18
Pea soup diarrhea, rose spots, and peyer’s patches can be seen with what?
Typhoid fever
Description of reactive arthritis
Conjunctivitis, urethritis, arthritis
List of major criteria for acute rheumatic fever
Joints, carditis, nodules, erythema marginatium, and sydenham chorea
Copious frothy yellow/ green discharge
Trichmoniasis
Most likely parasite to cause a liver abscess
Histolytica Entamoeba
Most virulent species of malaria
Plasmodium Falciparum
Possible hobby or job of someone with cryptococcus
Pigeon or chicken owner
Tx for uncomplicated candida
1 time dose of fluconazole or topical clotrimazole
Treatment of choice for invasive aspergillus
Voriconazole +/- surgery
Description of CT scan of cryptococcus
Noncalcified nodules, pleural based, lobar infiltrates, pleural effusions, hilar mediastinal adenopathy.
Specific diagnostic test for histoplasmosis
Urine Histo antigen
The microorganism associated with TB
Mycobacterium tuberculosis
The primary mechanism the immune system has for controlling and walling off TB
Granuloma
CT shows target sign or double halo sign
Toxic megacolon from C. diff
The minimal millimeters needed for a positive TST with no risk factors
15mm
[for healthcare workers it’s 10mm, for HIV 5mm]
The treatment for active TB and the timeframe
1) (RIPE) Rifampin, isoniazid, pyrazinamide, ethambutol for 2 months
2) Then cont. Isonazid and rifampin for 4 months
Tests to make a Dx for active TB
Imaging
Quantiferon assay
AFB stain
Culture for m. TB
3 ways HIV can be transmitted
Unprotected intercourse, blood transfusions, needles, pregnancy
Number 1 killer of ppl with HIV
Tuberculosis (TB)
The triple therapy for HIV that we talked about in class
Bictegravir, Tenofovir, and Emtricitabine
3 stages of HIV
Acute, chronic, AIDS
The most common symptom of HIV is what?
Asymptomatic/ none
