Lecture 3 highlights Flashcards
Give 3 examples of spirochetal diseases
Lyme disease, Rocky Mountain spotted fever, Syphilis
A 21 y/o female presents to your ER with the complaint of double vision, trouble swallowing, urinary retention and abdominal pain. Her partner states that normally she is healthy and spends her summer gardening and has canned several of her green beans this season.
What do you suspect?
Botulism
A 6 y/o M is seen in your clinic with a 3 month history of intermittent fevers, fatigue, migratory joint pain and weight loss. 3 months ago mom reports that he had a sore throat that he stayed home from school for a week for. You notice a new systolic murmur with a thrill at the mitral area with radiation to the axilla. Left knee is mildly swollen and warm. Painless nodules are noted over his ankles and elbows.
What is your suspected diagnosis?
Acute rheumatic fever
Mycobacterium Marinum requires how long of a Tx?
2-3 months (of antibiotics)
When does Mycobacterium Avium Complex (MAC) rarely appear?
CD4 count >50
What condition do you (most likely) gain lifelong immunity against after you contract it?
Rocky mountain spotted fever (Rickettsia rickettsia)
A rash on the palms and soles is characteristic of what?
Rocky mountain spotted fever
Lyme Carditis occurs in what phase?
Early disseminated
Most common complication of late lyme disease is what? Where?
Arthritis; knee
(usually, & usually only one knee)
1) How is early localized Lyme disease mostly diagnosed?
2) Are Lyme serologies likely positive or negative?
1) Clinically
2) Lyme serologies are likely to be negative this early
A painless ulcer on the lip or genitals is indicative of what?
Syphilis
Most common bacterial STI in the US is what?
Chlamydia
What is the typical presentation of Chlaymidia?
Usually asymptomatic
Lymphogranuloma venereum (LGV) is a Sx of what?
Chlamydia trachomatis
What two conditions should be cotreated?
Chlamydia and gonorrhea
Give an example of a gram negative diplococci
Gonorrhea
1) What is the Jones criteria used to diagnose?
2) What is it?
1) Acute Rheumatic Fever
2) 2 major Sx OR 1 major Sx+ 2 minor
Are subcutaneous nodules painless or painful?
(bonus: what are they a Sx of?)
Small, firm painless Nodules on extensor surfaces
Rheumatic fever
Home-canned vegetables are often a source of what disease?
Botulism
True or false: botulism is characterized by absence of fever
True
List 3 key steps of botulism management
1) Admit
2) Antitoxin
3) Locate & observe others
Grey-white tenacious excaudate
Diphtheria
Pea-Soup diarrhea is a common Sx of what?
Typhoid Fever
What reptile is the biggest carrier of salmonella?
Turtles
How does salmonella clinically manifest?
Vomiting
Name a cause of Shigellosis
Shigella dysenteriae
Watery diarrhea that becomes progressively bloody is a classic sign of what?
Shigellosis
Most common cause of bacterial enteritis in the US is what?
Campylobacter Enteritis
Name a symptom of Campylobacter Enteritis
Bloody diarrhea
What may appear S or comma shaped in a stool culture?
Campylobacter Enteritis
“Rice water stools” are characteristic of what condition?
Cholera
What may appear as comma shaped rods in a stool culture?
Cholera (Vibrio cholerae)
CKD, IBD, and recent antibiotics use (esp. broad spectrum) are all risk factors for what?
C. Diff
Name an important lab to order for C. Diff
C. Diff PCR
What condition is resistant to Alcohol/ Antiseptics?
C. Diff
