Category Archives: Bacteria (GNEG)

Gram negative pathogens

Burkholderia pseudomallei review including laboratory aspects

Posted on August 8, 2018 by mdjkf

Guest posting: Dr Ian Marr, Microbiology Registrar, Pathology North. Melioidosis is a cause of severe pneumonia, bacteraemia, urosepsis, prostatic abscess, CNS infection, pyogenic myositis and liver and spleen abscesses. It is found in PNG especially around the Balimo region – … Continue reading →

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Pertussis – diagnosis, outbreaks and incidence

Posted on April 7, 2017 by mdjkf

Culture appearances – see the Atlas – bisected pearl appearance of the colonies on charcoal agar. Diagnostic pointers – Diagnosis of pertussis Outbreak literature – local studies – Pertussis outbreak PNG 2012, PNG medical journal 1977 report on pertussis outbreak.  Earlier report from Highlands … Continue reading →

Posted in Bacteria (GNEG), Module-Respiratory infections, Nepal, PNG | Tagged | 1 Comment

Laboratory assays for diagnosis of tick-borne infections

Posted on July 13, 2016 by mdjkf

Excellent overview by the Australian expert, Stephen Graves that is highly relevant to all countries, not just Australia. Professor Graves has been responsible for ground-breaking discoveries in this area and has much wisdom to impart. The incidence of rickettsial disease and … Continue reading →

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Fatal case of meningococcal infection – a salutary tale

Posted on May 25, 2016 by mdjkf

Originally posted on AIMED – Let's talk about antibiotics:
This unfortunate 27 year old pregnant woman collapsed at home with a seizure and then died soon after.  She had a disseminated W135 serotype infection – this serotype has been associated…

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Must know Gram negative pathogens for medicine and pathology registrars/residents

Posted on November 18, 2015 by mdjkf

By focusing your study on these organisms first, you will gain knowledge that is generalisable across most less common pathogens and diseases. Be systematic in your study – see proforma. Enterobacteriaceae : E. coli, Klebsiella sp, Proteus sp, Enterobacter sp,  Salmonella … Continue reading →

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Helicobacter pylori antibiotic resistance dilemmas and key questions

Posted on October 6, 2015 by mdjkf

Originally posted on AIMED – Let's talk about antibiotics:
Helicobacter pylori infection is thought to be the most common bacterial infection worldwide. Whilst the prevalence of H. pylori is decreasing rapidly in Europe, Australia and the USA, where on average 10-15% of…

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Case report (from AAC): Community-Acquired Pyelonephritis in Pregnancy Caused by KPC-Producing Klebsiella pneumoniae

Posted on July 27, 2015 by mdjkf

Abstract (full case report with expert commentary is free) Carbapenem-resistant Enterobacteriaceae (CRE) usually infect patients with significant comorbidities and health care exposures. We present a case of a pregnant woman who developed community-acquired pyelonephritis caused by KPC-producing Klebsiella pneumoniae. Despite … Continue reading →

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