<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hello Doc s...I have normal blood pressure here at home, 12590 i guess but my pulse is 138. I feel like my heart is going to jump out of my chest. I took one of my Tamazapam for sleep because I thought that would relax me. Should I be concerned? Lisa  <response>: Hello, I understand your concern and would explain that your heart rate is really high. This heart rate could be related to anxiety or possible cardiac arrhythmia. I recommend closing your eyes and take some deep breaths. If this heart rate persists, and especially if you are feeling other symptoms like shortness of breath, lightheadedness, etc. I recommend going to the ER for a physical exam, a resting ECG and some blood lab tests complete blood count, blood electrolytes. Hope I have answered your query. Let me know if I can assist you further. 