Lecture 4 highlights Flashcards
What species is the most virulent form of malaria?
P. falciparum
True or false: Most cases of amebiasis are asymptomatic
True
What infection can result in liver abscess?
Entamoeba Histolytica amebiasis
Blood in the urine is a key Sx of what infection?
Schistosomiasis
The most common helminthic infection in U.S. & Western Europe is what?
Pinworms (enterobiasis)
1) What is autoinfection a method of transmission of?
2) What is the m/c Sx of this condition?
3) What is one way to diagnose it?
1) Pinworms (enterobiasis)
2) Nocturnal perianal pruritis
3) Clear cellophane tape to perianal skin
Cat feces can expose you to what?
Toxoplasmosis (Toxoplasma gondii)
List the different categories of toxoplasmosis S/Sx
Acute infection, congenital, ocular, and CNS
1) What would be seen on a CT/ MRI of toxoplasmosis?
2) What is the Tx for toxoplasmosis?
1) Multiple ring enhancing lesions
2) Pyrimethamine, sulfadiazine, and Leucovorin (need all three) 2-4 weeks
1) What is the most common non-viral STI worldwide?
2) What are some typical Sx it’s associated with?
1) Trichomoniasis
2) Copious, frothy, yellow/green, discharge
-Dyspareunia
-Cervix with punctate hemorrhages
Name a non-reportable STI
Trichomoniasis
The original Gardasil vaccine covers what strains?
6, 11, 16, and 18
Mechanisms of what kind of HPV transmission are not well understood?
Vertical
Downey cells may be seen on the peripheral smears of what condition?
EBV (mono)
What is the EBV/ mono triad?
1) Fever
2) Lymphadenopathy
3) Pharyngitis
Fever is more protracted in what condition, CMV or EBV?
CMV
Which type of herpes is more common?
Type 1 (“oral”)
What is Herpetic whitlow
Herpes on the finger
1) Hutchinson sign is a Sx of what?
2) What can this be a Sx of?
1) Ramsay Hunt Syndrome
2) Varicella-Zoster Virus
Why can our vaccines against the flu become ineffective?
Antigenic drift
Koplik spots are characteristic of what condition?
Measles/Rubeola
What condition is characterized by Forchheimer spots and congenital defects?
Rubella/ German measles
Rabies is very common in what species?
Bats
List 2 hallmark Sx of rabies
1) Tingling/burning at bite site
2) Excessive salivation
Negri bodies on autopsy indicate what?
Rabies
How is rabies treated? (before Sx)
4 doses of vaccine IM on days 0,3,7,14 (and extra dose on day 28 if immunocompromised)
How many days should you wait to test for COVID-19?
Day 5: 63% +
Ground glass opacities on imaging indicate what?
COVID-19
Most common cause of acquired epilepsy is what?
Cysticercosis
Eosinophilia can be a sign of what?
Ascariasis (type of round worm)