File:E318.jpg

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Summary

Description

A 45 year old lady with palpitations and history of chronic renal failure Polymorphous ventricular tachycardia (Torsade de pointes). This is a form of VT where there is usually no difficulty in recognising its ventricular origin. wide QRS complexes with multiple morphologies changing R - R intervals the axis seems to twist about the isoelectric line it is important to recognise this pattern as there are a number of reversible causes heart block hypokalaemia or hypomagnesaemia drugs (e.g. tricyclic antidepressant overdose) congenital long QT syndromes other causes of long QT (e.g. IHD) This recording has been kindly donated by Dr G. Butrous of St George's Medical School London who is a cardiologist involved in EUROTOP. with permision from the site of Dr. Dean Jenkins

Category

Case reports by Michael Rosengarten

Source

EKG World Encyclopedia http://cme.med.mcgill.ca/php/index.php , courtesy of Michael Rosengarten BEng, MD.McGill

Date

2012

Author

Michael Rosengarten BEng, MD.McGill

Permission

Creative Commons Attribution Noncommercial Share-Alike License

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