Is junctional tachycardia a heart attack?

Junctional tachycardia is not necessarily a heart disease.

Junctional tachycardia belongs to a kind of arrhythmia, usually the pacemaker is located in the atrioventricular junction arrhythmia, and the cause of this phenomenon may be related to electrolyte disorder, such as electrolyte such as potassium, sodium, calcium concentration exceeds the normal range, causing hypokalemia or hyperkalemia, may cause junctional tachycardia. In addition, some drugs may also cause junctional tachycardia, such as digitalis drugs, beta blockers, antidepressants, etc. However, if heart valve disease, myocarditis and other heart diseases occur, junctional tachycardia may also occur.