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.
Ethnic groups in Afghanistan - National identity. 1  The term Afghan is synonymous with the ethnonym Pashtun and has been mentioned as early as the 3rd century, referring to the tribes inhabiting the lands south of the Hindu Kush around the Sulaiman Mountains.