What Is Heart Ablation? Heart ablation, or cardiac ablation, is a surgical procedure that is used to correct abnormal heart rhythms. Catheter tubes are used to correct structural heart problems that prevent normal heart rhythms. Malfunctioning heart tissue is scarred or destroyed.
By Anne Marie Helmenstine, Ph.D. Dilute Definition: a solution containing a relatively small quantity of solute as compared with the amount of solvent. This term is the opposite of 'concentrated'.
What does a dilute result mean? A dilute specimen is a urine specimen that has a greater concentration of water than that of a normal urine specimen. Dilute specimens are generally caused by oral hydration of fluids and are usually more clear in appearance that normal urine.