The American Heart Association explains an electrocardiogram (EKG or ECG) is a test that measures the electrical activity of the heartbeat.
Language policy [edit]. Pashto and Dari are the official languages of Afghanistan. In 1980, other regional languages were granted official status in the regions where they are the language of the majority.
Today, Islam is the official state religion of Afghanistan, with approximately 99.8% of the Afghan population being Muslim. About 80% practice Sunni Islam, belonging to the Hanafi Islamic law school, while 20-22% are believed to be Shias.