Editing Tachycardia (section)

=====Inappropriate sinus tachycardia=====
{{Main|Inappropriate sinus tachycardia}}

[[Inappropriate sinus tachycardia]] (IST) is a [[diagnosis of exclusion]],<ref>{{Cite journal |last1=Ahmed |first1=Adnan |last2=Pothineni |first2=Naga Venkata K. |last3=Charate |first3=Rishi |last4=Garg |first4=Jalaj |last5=Elbey |first5=Mehmet |last6=de Asmundis |first6=Carlo |last7=LaMeir |first7=Mark |last8=Romeya |first8=Ahmed |last9=Shivamurthy |first9=Poojita |last10=Olshansky |first10=Brian |last11=Russo |first11=Andrea |last12=Gopinathannair |first12=Rakesh |last13=Lakkireddy |first13=Dhanunjaya |date=21 June 2022 |title=Inappropriate Sinus Tachycardia: Etiology, Pathophysiology, and Management: JACC Review Topic of the Week |url=https://www.sciencedirect.com/science/article/pii/S0735109722048252 |journal=Journal of the American College of Cardiology |volume=79 |issue=24 |pages=2450–2462 |doi=10.1016/j.jacc.2022.04.019 |pmid=35710196 |issn=0735-1097}}</ref> a rare but benign type of cardiac arrhythmia that may be caused by a structural abnormality in the [[Sinoatrial node|sinus node]]. It can occur in seemingly healthy individuals with no history of cardiovascular disease.  Other causes may include [[Dysautonomia|autonomic nervous system deficits]], autoimmune response, or drug interactions. Although symptoms might be distressing, treatment is not generally needed.<ref>{{cite journal | vauthors = Peyrol M, Lévy S | title = Clinical presentation of inappropriate sinus tachycardia and differential diagnosis | journal = Journal of Interventional Cardiac Electrophysiology | volume = 46 | issue = 1 | pages = 33–41 | date = June 2016 | pmid = 26329720 | doi = 10.1007/s10840-015-0051-z | s2cid = 23249973 }}</ref>