<prompt> A 25-year-old female presented to ER unconscious. Her mother tells you about her having recurrent syncopal episodes. Her BP is 8060 mm Hg and you order an ECG. Treatment isAdenosineDC shockCathether AblationRadiofrequency ablation  <response>: HR 3001.5200 B.P.M Narrow QRS 80100 m sec PSVT or AVN ST depression, hidden P waves. Since question says BP decreased so Cardioversion DC shock Given If question stated patient conscious: Adenosine should be given Option C: Used to prevent arrythmia recurrence of tachy arrythmia. Its not an emergency treatment Option D: Used in WPW syndrome Multifocal Atrial Tachycardia: Narrow QRS MAT: RR variable P wave variable, Morphology changes are seen M.A.T: Variable p wave altitude Electrical Alterans: Variable QRS complex T.D.P: variable BROAD QRS complex 