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During residency, I had the opportunity to do a global health elective where I spent a month in Lima, Peru rotating through Cayetano. I spent the majority of the time in the Tropical Medicine ward, where tuberculosis was everywhere. One of the more vivid memories was a patient with AIDS and cryptococcal meningitis. The residents
Trying to figure out if a febrile patient showing up to the ED is having a bacterial infection is a conundrum. The main concern is bacteremia, since it confers higher mortality depending on the type of bacteremia a patient has. Inflammatory markers such as CRP and the neutrophil-to-lymphocyte ratio are relatively useful surrogates that may
I reckon it’s time to write about new antibiotics. I do not like beta-lactamases. Mostly due to their ability to confuse clinicians, however also because it makes it difficult to pick an antibiotic for certain infections. I have written extensively about these, so look at this post. In general, carabepenemases and cephalosporinases within class A
Originally described as a pathogen in 1923, Corynebacterium equi was isolated from the lungs of ten foals (aka a young horse) who had pneumonia (1). Its name was later changed to rhodococcus (aka red coccus), and can be mistaken for mycobacterium spp due to its sometimes acid-fast appearance (2). It is known to infect horses,
“A term that has been used in a number of systems of classification is variola vera. It is this idea of true or typical smallpox so often forming the subject of illustrations in text-books of medicine that has fixed in the minds of practitioners a single picture of what smallpox should look like. The literature
This is quite a corny and overtold joke. I have discussed some new drugs for multidrug resistant tuberculosis (MDR-TB), which is defined as resistance to both rifampin and isoniazid, however I felt like going back to the basics of TB therapy. Indeed, we all learn in STEP 1 and med school about “RIPE-ing it up”
Central lines are cool, for the most part. Except for when they’re infected. The pathophysiology behind these is explained in this diagram (1): Microorganisms gain access to the extraluminal or intraluminal surface of the device. Both skin and hub may be the important entry point of organisms, with the development of biofilm contributing to their
The cephalosporins are a class of beta-lactam antibiotics that is generally classified based on “generations.” These denote the spectrum of bacteria they target, with each successive generation having more gram negative coverage. I am convinced most people only know about ceftriaxone, the prototype third-generation cephalosporin aka an “extended-spectrum beta lactam” along with cefepime, which is
COVID-19 is still among us. I had actually predicted it would be an endemic virus, similar to influenza, where we would have to get annual “flu+covid” shots each year to avoid disaster. I have a lot of issues with the initial response, not to mention the amount of useless COVID-related papers that have been published.
Topics dealing with tropical medicine are difficult to tackle, as I am never quite sure where to begin. Do I talk about their epidemiology or the clinical presentation? I’ll never recognize one and even if I did, I could offer no therapy outside of “supportive management.” Chikungunya is one of these diseases. This is a
Dr. Germophile 