### Patient: Doctor, I have been feeling weak lately, my chest feels tight and I have been experiencing sharp pains in my chest. Additionally, my heart rate has been faster than usual.
### Doctor: Based on your symptoms, it is possible that you are experiencing arrhythmia which is an abnormal heart rhythm that can cause weakness, chest tightness, sharp chest pain, and an increased heart rate. We will need to do some tests to confirm the diagnosis.