A study is presented of 150 in patients with paroxysmal tachycardias a
nd tachyarrhythmias. Urgent management was carried out using a diagnos
tic algorithm designed by the authors that helped to establish early d
iagnosis using clinical adequate rational methods. Identification of c
linico-pathogenetic form was realized in 95 % of patients. Invasive ex
amination was carried out in dubious cases. Transesophageal examinatio
n of the heart is of high value in emergency cardiology.