USMLE Forum Archives - USMLE Step 2 CK - Infection Disease
Infection Disease
Brainlab - 12-01-06 17:55
A 4-year-old boy presents to the emergency department with fever headache for the past one day. His vaccination up-to-date. His temperature is 38.7C, pulse 98/min, blood pressure 110/60 mmHg, respirations are 16/min. He is conscious and alert. The neurological examination is non-focal, but shows neck stiffness and positive Kernig and Brudzinski signs. There is no papilledema. The rest of fysical examination is normal. Blood is drawn for CBC and culture. A lumbar puncture is performed. What is the most likely cause of this patient's symptoms?
A. Hemophilus influenzae
B. S.pneumoniae
C. N.meningitidis
D. Listeria monocytogenes
E. Group B streptococcus
Brainlab - 12-01-06 17:55
A 4-year-old boy presents to the emergency department with fever headache for the past one day. His vaccination up-to-date. His temperature is 38.7C, pulse 98/min, blood pressure 110/60 mmHg, respirations are 16/min. He is conscious and alert. The neurological examination is non-focal, but shows neck stiffness and positive Kernig and Brudzinski signs. There is no papilledema. The rest of fysical examination is normal. Blood is drawn for CBC and culture. A lumbar puncture is performed. What is the most likely cause of this patient's symptoms?
A. Hemophilus influenzae
B. S.pneumoniae
C. N.meningitidis
D. Listeria monocytogenes
E. Group B streptococcus
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#1
Re: Infection Disease TheOne - 12-01-06 19:51 As we discussed this issue before, the correct answer is B.
#2
Re: Infection Disease
Brainlab - 12-01-06 21:47 I'd like to be sure one more time that UW not always perfect.
The answer C is correct according to UW.
#3
Re: Infection Disease TheOne - 12-01-06 22:23 For the USMLE step 2 CK purposes, always answer Strep. pneumoniae, to be on the safe side.
Clinically, meningitis in this age always ends with Strep. pneumoniae (1st), N.meningitidis(2nd) & H. influenzae (3rd or in non-vaccinated children).
#7
Re: Infection Disease babbu5508 - 01-15-11 11:04 The neurological examination is non-focal, but shows neck stiffness and positive Kernig and Brudzinski signs...the likely organism is strep. pneumoniae
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