BP 90, BP 40, heart rate 68. Is that normal?

High pressure 90mmHg, low pressure 40mmHg refers to systolic blood pressure 90mmHg, diastolic blood pressure 40mmHg, systolic blood pressure 90mmHg, diastolic blood pressure 40mmHg is generally abnormal.

If the subject uses the sphygmomanometer correctly and regularly, and there is no excessive eating, strenuous exercise, drinking strong tea and coffee before measuring blood pressure, if the measurement results systolic blood pressure 90mmHg, diastolic blood pressure 40mmHg, it is generally abnormal. The normal range of diastolic blood pressure is 60-89mmHg, and the obtained value is far lower than the normal range.

Heart rate 68 beats/min is usually normal.

Normal adult heart rate in quiet, awake state is usually between 60-100 beats/min. 68 beats/min belongs to the normal range, which is normal.