Infectious Diseases Flashcards
What disease is caused by EBV?
Infectious mononucleosis or glandular fever
What is the classic presentation of infectious mononucleosis?
- Fever
- Pharyngitis with or without exudate
- Petechiae on soft palate
- Lymphadenopathy
- Malaise
- Splenomegaly
What investigations are indicative of infectious mononucleosis?
- WCC = raised
- Lymphocytes = raised
- LFTs = slightly raised
What medication is used in the potentially life-threatening complication of infectious mononucleosis?
Prednisolone to shrink tonsils
What is the most common cause of community-acquired pneumonia?
Streptococcus pneumonia
- Strep pneumoniae
- Haemophilus influenzae
- Moraxella catarrhalis
What disease do these organisms commonly cause?
Community-acquired pneumonia
- Mycoplasma pneumonia
- Staph aureus
- Legionella
- Chlamydia
What disease do these organisms usually cause?
ATYPICAL community-acquired pneumonia
What is the most common cause of hospital-acquired pneumonia?
Gram-negative enterobacteria or staph aureus
- Strep pneumoniae
- Haemophilus influenzae
- Staph aureus
- Moraxella catarrhalis
- Mycoplasma pneumoniae
- Pneumocystis jirovecii
In what patients are these organisms usually found?
Immunocompromised pneumonia patients
What is the classic finding in CSF of a patient with bacterial meningitis?
High pressure, raised protein, excess neutrophils
What is the most common pathogen in leg cellulitis?
Strep