It has been really useful over the past few weeks and months to visualize the inner workings of my heart. The sinus node being attacked by AFib and SVT. Like an invading army trying to overpower one small but extremely vital pace setter for my entire body. We tried some meds. Then a minimally invasive procedure (still heart surgery). Six months later we had go in on all sides and give it everything we have. Photo credit Valerie Gebert. Allusion to current events intended.