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.
The Tajiks are the second largest ethnic group of the country. They speak Dari which is very similar to Tajik (spoken in Tajikistan) and to Farsi (spoken mainly in Iran). In fact, Dari, Tajik, and Farsi are frequently considered as a single language called Modern Persian.