Shih will be a speaker at the AF conference in San Francisco later this month.

FORBES: More on Social Media from Clara Shih, Founder of Hearsay Social

Ignacio Amat-Santos and colleagues followed 138 patients with no history of AF who underwent TAVI. 31.9% (44 patients) developed new-onset AF while in the hospital at a median time of 48 hours after the procedure.

FORBES: Study Examines New-Onset Atrial Fibrillation After TAVI

Solicitor Carl Richmond told BBC Radio 4's World at One programme that AF, who had been confined to his home for up to 16 hours a day as a result of the order, felt numb.

BBC: Minister frees control order man

The camera is also capable of bursts of images at 5.5 frames per second (fps) at full resolution with full AF, to capture decisive moments.

ENGADGET: Nikon unveils lightweight, full-frame D600 DSLR -- hands-on and low-light samples (video)

When the camera is pointed at a desired shot, the Intelligent AF function automatically detects the photo subject even if it is not a human face and determines the focus and exposure area accordingly.

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True, the AF isn't always DSLR-quick, but it is at least fairly predictable.

ENGADGET: IRL: Mailbox, Behringer iNuke Boom Junior and the Fujifilm X-E1

The F900EXR uses its EXR-CMOS II sensor to shoot video full HD at a smooth 60 frames per second with improved Phase Detection AF with superior color reproduction.

ENGADGET: Fujifilm launches alphabet soup of point-and-shoot, compact and bridge cameras

The GF6 records 1920 x 1080 at 60i (60 Hz) full HD video with full-time AF and high quality stereo sound in the AVCHD format which excels in both compression efficiency and compatibility with AV equipment for playback.

ENGADGET: Panasonic Lumix GF6 announced for the US, shipping in June for $600

The Nikon 1 J2 retains user-friendly features such as Full HD video recording, and a reputation for blazing fast speed with the ability to capture rapidly moving subjects at an astounding 10 frames-per- second (fps) with AF, or up to 60 fps with AF locked on the first frame.

ENGADGET: Nikon 1 J2 mirrorless camera: minor control tweaks, $549, ships in September