The presence of multiple P wave morphologies indicates multiple ectopic pacemakers within the atria and/or AV junction. If ≥ 3 different P wave morphologies are seen, then multifocal atrial rhythm is diagnosed:
Japanese design studio A.Works playfully mimics the imagery of Albert Einstein's space-time fabric theory with this mind-bending placemat. By warping the grid pattern, the trick mat creates the illusion that the plate and silverware are weighing down th
This video by Howcast presents an effective approach for teaching a dog to wave goodbye. The process may look simple in the video but keep in mind that some dogs may need more time to learn each of the steps.