Conversation: The conversation between human and AI assistant.
[|Human|] Hi all My name is Tamer and I am 21 years old and my heart beats 90 beats per minute and longitudinal 189 cm and I am tired great when I m standing with the knowledge I am a college student, I do not work, but I lieutenant on sports and natural feel that my heart beats so strong I heard in the calm to the situation, what the reason for this? I weigh 70 kg and not to increase my weight and I never want to increase my weight even though I eat a lot and not fatter !!!!!. please answer my question Thank you for this excellent website Regards, Tamer
[|AI|]  Hello, After going through your medical query I understand your concern and I would like to tell you that heart rate is ever-changing phenomenon depending on your physical activity, stress and physiological changes. If you are feeling other abnormalities like dyspnea or dizziness then kindly get a basic cardiac evaluation done which includes ECG and echocardiography done. Hope I have answered your query. Let me know if I can assist you further.