This week Consumer Reports released news that arsenic was found in brown rice, white rice, rice breakfast cereals, organic rice baby cereal, and other rice productsââmany at worrisome levelsââin tests they performed.
First-degree heart block. First-degree AV block is defined as a PR interval longer than 0.2 seconds. Each atrial activation leads to a ventricular activation with a 1:1 correspondence.
Up to 10 per cent of over-70s with a history of heart disease develop complete heart block. Often, first and second-degree heart block patients are not treated and only monitored if they have no symptoms and no cause, such as medications, can be found.