Answer: Ablation is a procedure that's been available now for 10 or 15 years or more, that is to eliminate heart rhythm disorders mostly now in what we call the upper chamber, or the atrium.nswer: Ablation is a procedure that's been available now for 10 or 15 years or more, that is to eliminate heart rhythm disorders mostly now in what we call the upper chamber, or the atrium.
Cumulus clouds look like fluffy tufts of cotton floating in the sky. Sometimes they might take the shape of a dragon, a turtle or some other creature. Cumulonimbus clouds are large, flat clouds that spread across the sky. One end of the cloud might be shaped like an anvil.
Panorama of a strong shelf cloud, a type of arcus cloud. Underside of a weak shelf cloud. An arcus cloud is a low, horizontal cloud formation, usually appearing as an accessory cloud to a cumulonimbus. Roll clouds and shelf clouds are the two main types of arcus.