Funtabulously Frivolous Friday Five 128

Just when you thought your brain could unwind on a Friday, you realise that it would rather be challenged with some good old fashioned medical trivia…introducing Funtabulously Frivolous Friday Five 128 Question 1 Melena suggests a proximal GI bleeding source in which there is time for enzymatic breakdown to transform blood to melena. How much blood in the stomach does it take to cause melena? + Reveal the Funtabulous Answer expand(document.getElementById('ddet427012215'));expand(document.getElementById('ddetlink427012215')) 50mL In clinical experiments, placing as little as 50 mL of blood in the stomach can cause melena. [Reference] Question 2 What is a Morel-Lavallee lesion? + Reveal the Funtabulous Answer expand(document.getElementById('ddet1549656654'));expand(document.getElementById('ddetlink1549656654')) Closed de-gloving injury in which the skin remains intact but the subcutaneous tissue is sheared away from the underlying fascia. This results in either serous or blood forming a collection in this are of tissue damage. They are associated with considerable morbidity in trauma patients. Strictly speaking a Morel Lavallée lesion only overlies the greater trochanter, but similar biomechanical forces can result in identical lesions occur in other areas of the body.  [Reference] Question 3 What is an Essex–Lopresti injury? + Reveal the Funtabulous Answer expand(document.getElementById('ddet2101851021'));expand(document.getElementById('ddetlink2101851...
Source: Life in the Fast Lane - Category: Emergency Medicine Authors: Tags: Frivolous Friday Five button batteries EMLA Essex-Lopresti injury melena methaemoglobinaemia morel-lavallee lesion Source Type: blogs