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Reviews
Doug Parkinson
Reviewed on 4th Nov 2026
How your heart works and how to deal with irregularities
Amazon Customer
Reviewed on 4th Nov 2026
A clear and concise explanation that is really helpful to non-medical people, without being condescendingly over-simple
R. C
Reviewed on 4th Nov 2026
What is going on
Marilyn Burgess
Reviewed on 4th Nov 2026
Treatments and physiology important to understand