HI,I went back to my cardologist today because of my shortness of breath and chest pain and dizziness,,,he showed me the pictures of my stress test and he explained that the small portion that does not get adequate blood when stressed is not a serious thing,,,,but my heart rate problem,he gave me Verapamil sr to try this time 120 mg i have tried Bystolic and Atenol they made me feel very strange im so afraid this new med will drop my heart rate to much,,,,sometimes at night my heart rate is 86 will this med dropp it way down and my blood pressure is usually good.Please if anyone has good experience with this med let me know,,I read ths side effects and they sound scary