PPT-AVRT Atrial ventricular Reentrant tachycardia

Jazmine Boloor PATIENT IN AVRT EKG DELTA WAVE SA node triggers sends signal to AV node and accessory pathway AV node has a safeguard to slow the signal down so the ventricles can fill Accessory pathway doesnt have safeguard meaning the signal can very quickly travel from the atria down depolarizing the ventricles This creates a slurred upstroke as the P wave is closely coupled with the QRS Once the signal gets through the AV node it travels very quickly through the circuit of the heart and up the accessory pathway creating a sharp downwards wave as the ventricles depolarize . Arrhythmias. Objectives. Describe the normal conduction in the heart. Describe pathophysiology of . bradycardias. Describe pathophysiology of . tachycardias. Describe treatment of the above. Case. A 55 year old male calls 911 because his “heart is racing.” He initially is alert, oriented, and has mild shortness of breath. On physical exam, he has a regular tachycardia at 180, and monitor shows a regular, narrow-complex tachycardia. He denies chest pain. Midway through transport, he becomes less responsive, and his blood pressure drops as he starts sweating profusely.. or…. “. slow down, you move too fast. ”. Susan P. Torrey, M.D., FACEP, FAAEM. Associate Professor of Emergency Medicine. Tufts University School of Medicine. Baystate. Medical Center, Springfield, Mass. . M.V.Jorat. MD. 1389. Definition. Narrow QRS complex supraventricular tachycardia (SVT) is a tachyarrhythmia with a rate more than 100 beats/min and a QRS duration of less than 120 milliseconds.. A narrow QRS complex (<120 msec) reflects rapid activation of the ventricles via the normal His-Purkinje system, which in turn suggests that the arrhythmia originates above or within the atrioventricular (AV) node (ie, a supraventricular tachycardia). . tachyarrhythmias. د. حسين محمد جمعة . اختصاصي الامراض الباطنة . البورد العربي . كلية طب الموصل . 2010. Key points: diagnosis. Dr. Jehad Rababah. Cardiac Conduction System. Automaticity. Excitability. Conductivity. Contractility . Properties of Cardiac Cells. 3. ECG Strip. Reflects the electrical activity in the heart. Small (0.05sec) & large (0.2sec) boxes . Department of Anesthesiology . Imam Reza Hospita. l. Rhythms for unstable tachycardia. Sinus tachycardia. Atrial. fibrillation. Atrial. flutter. Reentry . supraventricular. tachycardia (SVT). Monomorphic. Definitions. Wide . QRS complex tachycardia is a rhythm with a rate of . ≥100 . b/m and QRS duration . of ≥ . 120 ms. VT – 80% of Wide QRS Complex Tachycardia. SVT with . abberancy. 15 to 20%. arrhythmia. ventricles Arrhythmia. ทัศนี. ยา ไกรสรสวัสดิ์. RN CCUI . Sunpasithiprasong. . hospital. Tassaniya. CCU 1. Atrium Arrhythmias. Premature Atrium Contraction (PAC). VENTRICULAR . TACHYCARDIA. Ventricular tachycardia can be caused by disorders of . impulse formation . (enhanced automaticity or triggered activity) and . conduction. (reentry. ). . In . general, the specific type, prognosis, and management of VT depend on the presence of . AVN. Impulse conduction. Impulses originate regularly at a frequency of . 60-100 beat/ min. -100. -80. -60. -40. -20. 0. 20. Phase 0. Phase 1. Phase 2. Phase 3 . Phase 4. Na. +. ca. ++. ATPase. . mv. ACCS Regional Training Day. What are palpitations?. Heart . palpitations. are the feelings of the heart beating rapidly, forcefully, irregularly, skipping beats or fluttering. Has different meanings for different patients.. Odesa National Medical University. Department of internal medicine 1. with course of cardio-vascular pathology. ARRHYTHMIA. Definition of Arrhythmia:. The . Origin, Rate, Rhythm, Conduct velocity and sequence. Mild LV dysfunction. Comments from . Deep . Chandh. Raja . and . Chandrashekhar. D/D? Long RP tachycardia, P inverted in I/II/. aVL. /V6, +. ve. in . aVR. , terminally +. ve. in V1- the activation starts low left . Cardiac arrhythmias are the most common cause of death in patients with a myocardial infarction or terminal heart failure. . Normal sinus rhythm is dependent on generation of an impulse in the normal sinoatrial (SA) node pacemaker and its conduction through the atrial muscle, through the atrioventricular (AV) node, through the Purkinje conduction system, to the ventricular muscle.