SARS-CoV-2 disease, AKA COVID-19

Every since the first appearance of the 2019 Novel Coronavirus, now known as the SARs-CoV-2, back in Wuhan on late December 2019, many descriptive studies have been published by different scientific magazines and websites. The following illustration is a super summary of most data that has been reported regarding the SARS-CoV-2 disease: from its mild…

Novel coronavirus 2019-nCoV associated pneumonia

A new strain of Betacoronavirus, similar to the one from bats causing an ourbreak of SARS in 2003, has been identified in Wuhan, Hubei – China. The following illustration is a summary of data from a very small study made of 41 patients only, initially infected with the new Coronavirus in Wuhan. This data was…

Myelitis vs. Guillain Barré vs. MS

Let’s take a very quick review of these demyelinating diseases. Patient comes to the ED because of limb weakness and sensory alterations. If there’s a clearly defined level with no cranial nerve and no brainstem symptoms, we may be in front of transverse myelitis. If there is in fact oculomotor weakness with dyplopia or weakness…

Causes of upper gastrointestinal bleeding, part II: vascular abnormalities.

Upper GI also happens due to vascular abnormalities in the gastric and duodenal mucosa. Let’s review three: 1. Angiodysplasia (most common), 2. Dieulafoy’s lesion (associated with cardiovascular disease and NSAID use) and 3. GAVE -gastric antral vascular ectasia, associated with congestive gastropathy (due to portal hypertension, for example). Hope you enjoy learning and reviewing from…

Causes of upper gastrointestinal bleeding, part I

The following illustrations are a summary of some of the causes of upper GI in adults. Ulcer related, erosive and variceal (portal hypertensive related and non portal HT related) are included: The second part will include vascular causes, such as Deulafoy lesion and GAVE (gastric antral vascular ectasia). See ya next time! Augusto Saldaña M.D.