High pressure 93mmHg Low pressure 57mmHg Systolic blood pressure is in the normal range, diastolic blood pressure is not. The normal range of systolic blood pressure is 90 to 119 mmHg. 93 mmHg is normal, but the normal range of diastolic blood pressure is 60 to 79 mmHg. 57 mmHg is below the normal diastolic blood pressure. It may be physiologic hypotension or pathologic hypotension. Physiologic hypotension is without any symptoms, and long-term follow-up of the human body without any ischemic symptoms, such as sudden standing will lead to postural hypotension, and will not not affect life expectancy. Pathologic low pressure has mitral valve stenosis, constrictive pericarditis, etc.. Low pressure may lead to dizziness and headache, neurofunctional disorders, loss of appetite and other symptoms. It is important to make sure that you eat regularly and maintain a regular routine in your daily life. Low blood pressure may not have any symptoms, but once you have a blood pressure lower than normal, you should also go to the hospital for examination and treatment.