WorksheetsLab investigation in infection and immunological disorder in CVS
Total questions: 6
Worksheet time: 3mins
Patient with fever, TTE abnormal. Gram stain from Hemoculture as shown here. Which answer is NOT matching?
MRSA
IVDU
RHD
Acute IE
MSSA
A 27-year-old man presents with a 2-week history of fever, fatigue, and weight loss. On physical examination, he has a new systolic murmur, splinter hemorrhages, and painless erythematous macules on the palms and soles. He also has tender nodules on his fingers. He reports a recent dental procedure performed without antibiotic prophylaxis.
Which of the following is the most likely causative organism?
Staphylococcus aureus
Streptococcus pyogenes
Streptococcus pneumoniae
Streptococcus mitis
How long is the incubation period for hemoculture?
24 hrs.
2 days
3 days
5 days
7 days
How to handle and transport hemoculture sample before sending to the lab?
keep and transport in the cool box
keep in the freezer until clerk available
keep and transport in room temperature
keep in the 37oC incubator until specimen delivery
Which test can be used as a biomarker for diagnosis of septic shock?
Erythrocyte sediment rate
C-reactive protein
CBC
Procalcitonin
Calcitonin
Which tests are positive in Libman–Sacks endocarditis?
ASO
Anti-dsDNA
Hemoculture
Anti-DNase B
Anticardiolipin Ab
