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Study shows why some stroke patients do not have abnormal heart rhythms


Study shows why some stroke patients do not have abnormal heart rhythms
Scientists have shed light on why some people who have a stroke do not also have abnormal heart rhythms, even though their hearts contain similar scar tissue. Their results, published today in
eLife, could help identify the best treatments for people who might be at risk of recurrent stroke, new heart disorders, or both.
Strokes are often caused by abnormal blood flow resulting from rapid, irregular beating in the upper chamber of the heart. This is also called atrial fibrillation (AFib). But some people have strokes that appear to have been caused by the heart, yet there is no evidence of AFib. In fact, around 25% of strokes fall into this group - called embolic strokes of undetermined source (ESUS). ....

Patrick Boyle , Savannah Bifulco , Emily Henderson , Systems Simulation Lab , University Of Washington , Study First Author , Graduate Student , Assistant Professor , Cardiac Systems Simulation Lab , Atrial Fibrillation , பேட்ரிக் பாயில் , எமிலி ஹென்டர்சன் , பல்கலைக்கழகம் ஆஃப் வாஷிங்டன் , படிப்பு முதல் நூலாசிரியர் , பட்டதாரி மாணவர் , உதவியாளர் ப்ரொஃபெஸர் ,

Why does heart scarring cause abnormal rhythms in some people but not others?


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Scientists have shed light on why some people who have a stroke do not also have abnormal heart rhythms, even though their hearts contain similar scar tissue.
Their results, published today in
eLife, could help identify the best treatments for people who might be at risk of recurrent stroke, new heart disorders, or both.
Strokes are often caused by abnormal blood flow resulting from rapid, irregular beating in the upper chamber of the heart. This is also called atrial fibrillation (AFib). But some people have strokes that appear to have been caused by the heart, yet there is no evidence of AFib. In fact, around 25% of strokes fall into this group - called embolic strokes of undetermined source (ESUS). ....

Emily Packer , Nazem Akoum , Brian Donohue , Patrick Boyle , Savannah Bifulco , Atrial Fibrillation Program , Systems Simulation Lab , Alice Wallenberg Foundation , Division Of Cardiology , University Of Washington Cardiac Systems Simulations Lab , University Of Washington , University Of Washington School Medicine , Max Planck Society , Howard Hughes Medical Institute , Assistant Professor , Cardiac Systems Simulation Lab , Washington School , Cardiac Systems Simulations Lab , Media Relations Manager , Public Information Editor , Systems Biology , எமிலி ப்யாகர் , பிரையன் தோனொுே , பேட்ரிக் பாயில் , ஏட்ரியல் குறு நடுக்கம் ப்ரோக்ர்யாம் , ஆலிஸ் வாலன்பெர்க் அடித்தளம் ,

Study yields new clue to strokes of undetermined source


Courtesy of Savannah Bifulco
Bioengineer postdoc Savannah Bifulco discusses computer simulations on models of patients’ atria.
University of Washington scientists have shed light on why some people who have a stroke do not also have abnormal heart rhythms, even though their hearts contain similar scar tissue.
Their results, published today in eLife, could help identify the best treatments for people who might be at risk of recurrent stroke, new heart disorders, or both.
Strokes are often caused by abnormal blood flow resulting from rapid, irregular beating in the upper chamber of the heart. This is also called atrial fibrillation (AFib). But some people have strokes that appear to have been caused by the heart, yet there is no evidence of AFib. In fact, around 25% of strokes fall into this group, called embolic strokes of undetermined source (ESUS). ....

Nazem Akoum , Patrick Boyle , Savannah Bifulco , Systems Simulation Lab , University Of Washington , Uw Medicine Heart Institute , Bioengineer Patrick Boyle , Cardiac Systems Simulation , Heart Institute , பேட்ரிக் பாயில் , பல்கலைக்கழகம் ஆஃப் வாஷிங்டன் , ஊவ் மருந்து இதயம் நிறுவனம் , இதயம் நிறுவனம் ,