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CAM I - infectious Disease Exam 2024/2025
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CAM I - infectious Disease Exam 2024/2025 CAM I - infectious Disease Exam 2024/2025 CAM I - infectious Disease Exam 2024/2025
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CAM I - infectious DiseaseThicker Peptidoglycan Layer - ANS What causes Gram positive to retain dye?
Group A Beta-hemolytic Strep pyogenes (GABHS) - ANS Pathogen that can lead to rheumatic fever or
glomerulonephritis from pharyngitis infection
Fever >100.4
Anterior cervical adenopathy tenderness
Cough absence
Exudate in pharynx/tonsils - ANS What is the Centor Criteria for strep pharyngitis/tonsillitis? FACE
Lab testing before treatment - ANS What should you do if Pt has 2-3 Centor criteria?
Empiric treatment - ANS What should you do if Pt has all 4 Centor criteria?
PO penicillin V 500mg TID
PO amoxicillin 875mg BID - ANS Top 2 treatments for strep pharyngitis
Carditis, polyarticular arthritis, mitral valve stenosis - ANS What can develop from acute rheumatic
fever?
ABX given within 7 days of infection onset - ANS Prevention for acute rheumatic fever
Encapsulated aerobic Gram + diplococci - ANS Morphology of Strep pneumo
,Pneumoccocal Pneumonia - ANS Pt presents with chills, fever, rust-colored sputum, pleuritic chest pain.
Physical exam observes crackles on auscultation on affected side, dullness to percussion, and bronchial
breath sounds. Likely Dx?
CBC and CXR - ANS What tests would you order for pneumococcal pneumonia?
Sputum culture - ANS What additional test would you order if admitting Pt for pneumococcal
pneumonia?
Amoxicillin 1000mg TID - ANS Pneumococcal pneumonia treatment for low-risk adult
Doxycycline 100mg BID - ANS Pt has PCN allergy. What do you give them for pneumococcal pneumonia?
Augmentin 875mg BID + doxycycline - ANS Pt is 65 and diabetic. What treatment should they get for
pneumococcal pneumonia?
Ceftriaxone 1000mg IV QID
Levofloxacin 750mg IV QID - ANS You admit a Pt for pneumococcal pneumonia. What do you treat them
with? (2 options)
Procalcitonin - ANS What lab test is used to monitor immune response to pneumococcal pneumonia
infection? More specific than CRP/ESR
Pleural/pericardial effusion, endocarditis - ANS Possible complications of pneumococcal pneumonia
Admit - ANS Pt has multilobar pneumococcal pneumonia and initial treatment has failed. Do you refer to
ID or admit?
, Refer to ID - ANS Pt has developed endocarditis or meningitis from pneumococcal pneumonia and initial
treatment has failed. Do you refer to ID or admit?
Strep pneumo - ANS Most common pathogen of bacterial meningitis
lacks a rash - ANS What differentiates Pneumococcal meningitis from other types of meningitis?
LP, CSF gram stain, blood culture, CXR - ANS What tests do you order for Pneumococcal meningitis?
IV ceftriaxone 2g + vancomycin 15 mg/kg + dexamethasone 0.15 mg/kg - ANS Treatment for presumed
meningitis after blood cultures have been obtained
Osteomyelitis - ANS Staph aureus settles in the highly vascular metaphyses of several bones - most often
the femur, tibia, ankle or wrist
2-6 hours - ANS Onset of Staph food poisoning
Staph Scalded Skin Syndrome - ANS Seen mostly in kids. Caused by an exfoliative toxin. Large blisters,
positive Nikolsy sign, fever, generalized rash
Nafcillin
Oxacillin
Admit - ANS Treatment for Staph Scalded Skin Syndrome
Staph aureus - ANS Common pathogen of TSS
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