You will be able to get a quick price and instant permission to reuse the content in many different ways. After atrial fibrillation, atrial flutter is the most important and most common atrial ...

4 Newcastle Upon Tyne Hospital NHS Foundation Trust, Freeman Hospital, Newcastle upon Tyne, UK Objective We aimed to compare cryoballoon pulmonary vein isolation (PVI) with standard radiofrequency ...

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An increased burden of premature atrial contractions (PACs) has long been considered a benign phenomenon. However, strong evidence of their involvement in the occurrence of atrial fibrillation (AF), ...

We sell different types of products and services to both investment professionals and individual investors. These products and services are usually sold through license agreements or subscriptions ...

Every image on iStock falls into one of two collections. Our Essentials collection gives you the everyday content you need, while our Signature library features our best quality, premium handpicked ...

The best photo printers enable you to create great color and mono photo prints at home – but which one should you go for? After reviewing them for decades, I've concluded that the best photo printer ...

The best photo printers create great colour and mono photo prints at home, but which one should you go for? I’ve been testing and reviewing desktop printers for decades and have come to the conclusion ...

Here’s how it works. Space can be a wondrous place, and we've got the pictures to prove it! Take a look at our favorite space pictures here, and if you're wondering what happened to today in ...

Learn more› By Erin Roberts and Ben Keough After considering new apps, we still think that Adobe Lightroom and Snapseed are the best choices for editing photos when you’re away from a desktop ...

In humans, SAN is surrounded by the paranodal area (PNA). Although the PNA function remains debated, it is thought to act as a subsidiary atrial pacemaker (SAP) tissue and become the dominant ...

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