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First results from The RedHeart Study presented at the Swedish Cardiovascular Spring Meeting

Gothenburg, April 10, 2019 – The first results from The RedHeart Study are presented at the 21st Swedish Cardiovascular Spring Meeting in Gothenburg. The study, which was conducted by researchers at Karolinska Institutet and Karolinska Hospital, investigated whether new digital ECG technology can map and determine the diagnosis of palpitations in women and assess whether it can lead to reduced anxiety and improved quality of life. The study is the world’s largest digital heart study on women’s heart so far, with digital follow-up in a home environment.

In the study, 1,000 women were rapidly recruited through digital channels and techniques. The study participants, who were spread across Sweden, followed their hearts for 2 months by daily ECG measurements using the Coala Heart Monitor in their daily lives. More than 270,000 ECG measurements were recorded and analyzed in the study.

The aim of the study was to investigate to what extent the Coala Heart Monitor can detect rhythm disturbance in occasional heart palpitations in women’s everyday lives, and investigate whether person-centered clarification of underlying cardiac rhythm disorders can lead to a reduced degree of palpitations and mental symptoms and an improved quality of life.

– The RedHeart study has shown that women who experience unclear palpitations and use Coala Heart Monitor for immediate ECG analysis reduce their symptoms of anxiety and depression while reporting an improved quality of life, comments Carina Carnlöf, MedDr, Karolinska University Hospital.

The study has further shown that in most episodes of symptomatic palpitations in women, the underlying arrhythmia is benign. However, in 5% of the ECG measurements, previously undiagnosed atrial fibrillation or supraventricular tachycardia was found (Insulander P et al.).

The study was conducted in partnership with 1.6 miljonerklubben under the supervision of Karin Schenck-Gustafsson, Chief Physician and Professor at Karolinska Institutet, Per Insulander, Chief Physician and With Dr, Carina Carnlöf, MedDr and University Hospital Research Nurse at Karolinska University Hospital, and Professor Mats Jensen-Urstad, Chief Physician, Theme Heart and Vascular, Karolinska University Hospital and Karolinska Institutet.

The following study results are presented at the Cardiovascular Spring Meeting in Gothenburg:

Instant analysis of the ECG with a new digital technique during palpitations reduce symptoms, anxiety, depression, and increase HRQOL in women (Red Heart Study). Carnlöf C. et al.Karolinska Institutet och Karolinska Universitetssjukhuset. Abstract 1888-A-1901

Very rapid inclusion in a clinical study via social media with the help of bank-ID: A study on 918 women with palpitations using new digital techniques. Schenck-Gustafsson K. et al. Karolinska Institutet och Karolinska Universitetssjukhuset. Abstract 1890-A-1901

Symptomatic palpitations causing anxiety in women – what are the underlying arrhythmias?
Insulander P. et al. Karolinska Institutet och Karolinska Universitetssjukhuset. Abstract 1905-A-1901


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About Coala Life:

Coala Life is a Swedish digital health venture focused on cardiac diagnostics and digital health. The company has developed a portfolio of patented medical products and services for user-centered digital remote monitoring and screening of the heart based on advanced and smart algorithms. Coala’s solutions enable analysis, remote monitoring, more effective cardiac assessments and integrated care services, all in real time. Coala was named one of five global Cool Vendors within the Health and Wellness market by Gartner Group in 2018 and recognized as of the 100 Global Leaders in Digital Health by the Journal of mHealth. Follow your Heart®.  For more information see