Valsartan took about 3 weeks to work for me. Or, something else changed. I too have a resting heart rate in the low 50s, I get tons of pvc when my HR goes above 80. Then I get afib 12 hours later. I got ablated 5 days ago for the afib. Things are changing. I do ear vagal nerve stim which seems to help. It might have cut my afib down by a factor of 3. Anecdotal evidence is weak I know. I’m not sure my pvcs are coming from my ventricles. I suspect weird pacs are getting conducted and blocking my R bundle, ashmans is what that’s called. My EP i’t worried about my annoying PVCs.