Cardiac dysrhythmia

Posted by e-Medical PPT Monday, September 20, 2010
Cardiac dysrhythmia is a term for any of a large and heterogeneous group of conditions in which there is abnormal electrical activity in the heart. Arrhythmias can be life-threatening medical emergencies that can result in cardiac arrest and sudden death.

Atrial Arrhythmia - Premature Atrial Contractions (PACs),Multifocal atrial tachycardia,Atrial flutter,Atrial fibrillation.
Junctional arrhythmias -Supraventricular tachycardia (SVT),AV nodal reentrant tachycardia is the most common cause of Paroxysmal Supra-ventricular Tachycardia (PSVT),Junctional rhythm,Junctional tachycardia.
Ventricular arrhythmias - Premature Ventricular Contractions (PVC),Ventricular fibrillation,Polymorphic ventricular tachycardia etc.
Heart blocks
  • First degree heart block, which manifests as PR prolongation
  • Second degree heart block
  • Type 1 Second degree heart block, also known as Mobitz I or Wenckebach
  • Type 2 Second degree heart block, also known as Mobitz II
  • Third degree heart block, also known as complete heart block
The method of cardiac rhythm management depends firstly on whether or not the affected person is stable or unstable. Treatments may include physical maneuvers, Antiarrhythmic drugs, electricity conversion, or electro or cryo cautery.Defibrillation or cardioversion may be accomplished by an implantable cardioverter-defibrillator (ICD).Electrical treatment of dysrhythmia also includes cardiac pacing. Temporary pacing may be necessary for reversible causes of very slow heartbeats, or bradycardia.A permanent pacemaker may be placed in situations where the bradycardia is not expected to recover.
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