**Short version**: On Oct 16th I came into hospital (Johns Hopkins) to have my aortic valve replaced with a mechanical On-X valve via open-heart surgery. As a consequence of the trauma my heart took, I went into total heart block (3rd degree AV block) and had a pacemaker fit...

Hi Reddit! I’m Sian Harding, Professor of Cardiac Pharmacology at Imperial College London. My research focuses on what happens to the cardiac muscle during heart failure. **What is heart failure?** Heart failure in humans is a syndrome characterised by fatigue, breathles...

UPDATE: It is 3:06 PM PST. I am beat. Been answering questions since 8AM. It's been a blast and I really enjoyed reading your questions and engaging. I will go over this again tomorrow to try to answer any remaining questions I have missed. Thank you all for your interest an...

Hi Reddit! We're Christopher Kelly, MD, of North Carolina Heart and Vascular and Marc Eisenberg, MD, FACC of Columbia University Medical Center. Recently, we co-authored a book entitled "Am I Dying?!" which is a light-hearted field guide to common symptoms and medical myth...

I am Sam . I'm 37, living in the UK with an incurable rare disease called Charcot-Marie-Tooth disease. As a result I use a powered wheelchair almost full-time. Fire all the questions you always wanted to ask a disabled person but never felt like you could! No question is o...

From what makes us grieve to how it affects us, grief is not a one-size-fits-all experience. Fifty years after psychiatrist Elisabeth Kubler-Ross introduced the now iconic five stages of grief -- denial, anger, bargaining, depression, and acceptance -- scientists in the grow...

A little bit about me - I am the Director of Reproductive Urology as well as an Associate Professor in Department of Urology at the University of Miami in Florida. As a Urologist and Microsurgeon, I specialize in the treatment of disorders of male infertility and sexual dysf...

Did you know that more than 1 in 10 Americans have had migraine headaches, but many were misdiagnosed? June is Migraine and Headache Awareness Month, and our experts are here to answer YOUR questions. We are WebMD's Senior Medical Director Arefa Cassoobhoy, MD, neurologist B...

Edit: title should say “NO” not “NOW” I was diagnosed with pancreatic cancer in July of 2015, and classified Stage IV in October of that year. I underwent a distal pancratectomy and splenectomy followed by chemotherapy and radiation (with more chemo) over the follow...

Hi reddit! I was recently diagnosed with end stage kidney disease and I am currently on hemodialysis while I wait for a kidney transplant, Ask me anything! Proof: https://m.imgur.com/mnlQSvD Edit: wow I didn’t expect my post to get this much attention! I’m trying to ...