This is a study note on managing needlestick/sharps injury or body-fluid exposure. This is not a clinical guideline and must not be used for clinical use. Please discuss this with your doctor, who will be able to advise you based on the most relevant local/regional or national guidelines. First aid Needlestick or Sharps injury –…
The Fungus: Identification: It initially forms white colonies with a yellow back, which quickly becomes black. Conidia is rough, brownish-black, biseriate, and covers the entire vesicle. A key feature in diagnosing A. niger infection is the presence of calcium oxalate crystals on pathological examination. The presence of crystals can be taken as an indication of A niger…
This is from a presentation. The pictures were my slides. Feel free to download them if you wish. Leptospirosis, a zoonosis, is caused by a pathogenic Spirochaeta of the genus Leptospira.The name is derived from the Greek leptos (thin) and the Latin spira (coiled). Leptospirosis is a multisystem disease first described by Albert Weil in…
Introduction For high-resolution images, scroll to the bottom of the page Human adenovirus has 7 species based on their haemagglutination character.Each species was divided into serotypes based on neutralisation (e.g. A- 12,18, 31). At present, genotyping is being used to classify Adenovirus.Different species of human adenovirus have different tissue tropism. Species Tissue tropism A GI, respiratory,…
I regularly ask MoodleCloud members what provides more value to them. From a recent poll, I found that microbiologists preparing for the FRCPath exam using Microregistrar Moodle find the Quick revision summary helpful. All moodle chapters in the next few months will be updated with a quick revision note (yellow box). With this, it will…
The Bacteria Rothia belongs to the family Micrococcaceae – the same family as Micrococcus spp., Stomatococcus spp. and Kocuria spp. There are 8 species of Rothia – but only Rothia dentocariosa and Rothia mucilaginosa has been associated with human disease. It is a member of the mouth and upper respiratory tract flora. Laboratory Infection Rothia…
What is inflammation? Inflammation is part of the complex biological response of body tissues to harmful stimuli, such as pathogens, damaged cells, or irritants. Inflammation is a process that removes or reduces harmful stimuli to help with the healing process. Cardinal signs of inflammation: There are 5 cardinal signs of inflammation. They are – Loss…
Specimen Advice for the users: Safety Processing Gram stain – usually not done unless deep-seated pus from a normally sterile site Plate selection CONDITION PLATES All clinical conditions Blood agarCLED/MacConkey agar Wound swab Selective anaerobic agar with metronidazole disc Pus Fastidious anaerobic, cooked meat broth;then Subculture to blood agar. Cellulitis in childrenHuman bite Chocolate agar…
Enterobacterales & Aeromonas Enterobacterales and Aeromonas are intrinsically resistant to benzylpenicillin, glycopeptides, lipoglycopeptides, fusidic acid, macrolides (Except Azithromycin, effective for typhoid/paratyphoid fever and erythromycin for travellers’ diarrhoea), lincosamides, streptogramins, rifampicin, and oxazolidinones. Bacteria Beta-lactams Non-beta-lactams Klebsiella pneumonia complex,Klebsiella oxytocaRoultella sp.Citrobacter koseri,Citrobacter amalonaticus Amoxicillin, Ticarcillin Klebsiella aerogenes,Enterobacter cloacae complexCitrobacter freundiiHafnia alvei Amoxicillin, Coamoxiclav,1st generation cephalosporinsCefoxitin Serratia…
