Hi I Am 23 Years Old, I Was Rushed To

Hi I am 23 years old, I was rushed to the emergency room Saturday, heart rate was 160 and then shot up to 189 as doctors were hooking me up to ekgs, they believe it was because of anxiety. My heart was doing 200 beats per min, and my blood pressure was in the 170s. All my test came back normal I wore a holter monitor for 24hrs and everything seems fine. My GP put me on metoprolol 25mg once daily, potassium 20mg twice daily, and buspirone 7.5mg 3 times daily for anxiety. I’m also 9 years on depovera, will be getting off of it in 2 weeks. Is it safe for me to smoke cigarettes?