'in people with known heart conditions ' - NHS -
Is venlafaxine bad for your heart?
The pattern of cardiovascular side effects reported with venlafaxine use includes vascular headache, angina pectoris, hypotension, dose-dependent blood pressure elevation, syncope, sinus bradycardia, first-degree arterioventricular block, bundle branch block, and acute heart failure. 11 Aug 2022
All new to me