Differential Diagnosis of Wide Complex Tachycardias

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Presentation transcript:

Differential Diagnosis of Wide Complex Tachycardias Necessary for appropriate treatment CCBs can be very bad in WPW Based on correlation studies Identify factors that favor one rhythm Possibilities: VT, SVT with aberrant conduction, Afib/Aflutter with aberrant conduction

Top 10 reasons for WCT* 1. Ventricular Tachycardia 2. Ventricular Tach 3. VT 4. VT 5. VT 6. VT 7. VT 8. VT 9. SVT with preexisting BBB 10. SVT with aberrant conduction * Ken Grauer. A Practical Guide to ECG Interpretation. 2nd

Factors Favoring VT Concordance across all V leads (+/-) ERAD axis deviation QRS > .14 sec AV dissociation Suggestive QRS morphology