<prompt> Risk of Pneumococcal meningitis is seen in :Post splenectomy PatientPatient undergone neurosurgical interventionPatient following cardiac surgeryPatient with hypoplasia of lung  <response>: Ans. is a i.e. Post Splenectomy Patient In table 138-1 p 884 a list of conditions commonly predisposing to pneumococcal infection is given.The list is very long and its not possible to memorize it so I will pick out some important ones for you.Conditions predisposing to pneumococcal infectionsLymphomaMultiple myelomaCommon variable hypogammaglobulinemiaCLLSickle cell disease, hypersplenia, Asplenia, SplenectomyRenal insufficiencyDiabetes mellitusGlucocorticoids administrationInfection with HIVCirrhosis 