Funtabulously Frivolous Friday Five 159

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 FFFF…introducing Funtabulously Frivolous Friday Five 159 Question 1 What is Metamorphopsia? + Reveal the Funtabulous Answer expand(document.getElementById('ddet468834156'));expand(document.getElementById('ddetlink468834156')) Metamorphopsia is a type of distorted vision in which a grid of straight lines appears wavy and parts of the grid may appear blank. People with this condition often first notice this when looking at mini-blinds in their home. It is associated with macular degeneration [Reference]   Question 2 What is an Ashman Beat? + Reveal the Funtabulous Answer expand(document.getElementById('ddet617201918'));expand(document.getElementById('ddetlink617201918')) Ashman beats are described as wide complex QRS complexes that follow a short R-R interval preceded by a long R-R interval. This wide QRS complex typically has a right bundle branch block morphology and represents an aberrantly conducted complex that originates above the AV node. See example six from Ed Burn’s AF ECG page. Normally diagnosed as a PVC but in fact they should be called Ashman’s beats if you want to be a pedant. 3rd QRS on the ECG below, they are clinically benign. Question 3 Although we still do not know why we cry for emotional reasons (the only species to do so) what is the difference in timing between a female an...
Source: Life in the Fast Lane - Category: Emergency Medicine Authors: Tags: Frivolous Friday Five amyloidosis Ashmans beats Ashmans phenomenon crying Hofstadter's law Metamorphopsia periorbital purpura Source Type: blogs