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Surgery Spleen 4bdb43a6

Most common organism to cause OPSI

A
Streptococcal pneumonia
B
H. influenza
C
Mycobacterium TB
D
Babesia
High-Yield Explanation
Ans (a) Streptococcal pneumoniaRef Sabiston page 1568/20th edition* 50-90% cases of OPSI is due to streptococcal pneumonia.* PPV23 vaccine is given nowadays 2 weeks prior to elective surgery

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