Infectious Disease Flashcards
White curd like vaginal discharge should make you think of what diagnosis
Vaginal candida infection
Owl Eye inclusion bodies should make you think of what diagnosis
Cytomegalovirus (CMV)
If you have a patient with positive blood cultures for candida what is the first line drug
Amphotericin B
What is the treatment for pertussis
Erythromycin for seven days
A leukemia patient has a CT of the liver which shows punched out lesions. What diagnosis should you be thinking of
Hepatosplenic candida
What disease does rickettsia rickettsii cause
Rocky Mountain spotted fever
An India ink stain showing cyst should make you think of what diagnosis
Cryptoccosis
A COPD patient has apical cavities in calcified nodes on his CXR. You also discovered he has a pet bat and a few birds. What is the most likely diagnosis
Histoplasmosis
An HIV patient presents with a nonproductive cough and a chest x-ray showing diffuse interstitial infiltrates. What is the most likely diagnosis
Pneumocystis jiroveci pneumonia (PCJ) formerly known as pneumocystis pneumonia (PCP)
Honey and babies should make you think of what diagnosis
Botulism
What type of organism causes botulism
A gram-positive rod
Clostridium botulinum
What is the treatment for botulism
Antitoxin
A patient presents to the ER with acute progressive weakness, diplopia and a very dry mouth. What organism may be causing this
Cholera
Is diphtheria gram-positive or gram-negative organisms
Gram-positive
A stuck on gray membrane in the pharynx should make you think of what diagnosis
Diphtheria
What are four steps in treating diphtheria
Antitoxin, penicillin, remove membrane, report the case to the CDC
What is the clinical name for whooping cough
Pertussis
What type of organism causes tetanus
A gram-positive rod, clostridium tetani
A patient ate out last night and today has cramping and bloody diarrhea. What is the most likely organism
Salmonella
Diarrhea with blood and mucus should make you think of
Shigella
What is the best test to diagnose malaria
Peripheral blood smear
What organism has been linked to reactive arthritis
Shigella, also remember that reactive arthritis has a positive HLA – B27
What is the treatment for shigella
Bactrim or fluorquinolones and hydration
What organism causes Lyme disease
Borrelia burgdorferi
What is the minimum amount of time needed for a tick to transfer Lyme disease to a human
24 hours
What is the drug of choice to treat Lyme disease in a kids or pregnant woman
Amoxicillin
What is the drug of choice to treat C. Difficile
Metronidazole
A patient was in the woods yesterday and today presents with erythema migrans. What is the most likely diagnosis
Lyme disease
What drug is used for the treatment or prophylaxis of malaria
Cloroquine
A patient was camping a few days ago and now has a rash that began on his wrist and ankles. What is the most likely diagnosis
Rocky Mountain spotted fever
What is the drug of choice for treating Rocky Mountain spotted fever
Doxycycline
What is the drug of choice for the treatment of syphilis
Penicillin
Any reference to dark field microscopy should make you think of what organism
Treponema pallidum
Is Staph gram-positive or gram-negative
Gram-positive
A patient being treated with penicillin for a syphilis infection develops fever, chills, muscle pain and headaches. Do you stop the treatment
No this is Jarisch-Herxheimer reaction. The patient must be closely monitored, but it is a response to released endotoxin from the death of the spirochetes and not an allergic reaction
What organism is believed to be the main culprit in creating peptic ulcers
Helicobactor Pylori
A painless, clean base chancre should make you think of what diagnosis
Primary syphilis
Is pseudomonas gram-positive or gram-negative
Gram-negative
A patient complains of a rash on his palms and soles. He has a fever and chills. In conversation he mentioned a strange painless chancre he had a few weeks ago. What is the most likely diagnosis
Secondary syphilis. This is the most contagious stage
What is the treatment for cholera
Fluids