Is the blood pressure difference between the two arms 30 normal?

The blood pressure difference of 30mmHg between the two arms is normal.

Blood pressure is formed by cardiac contraction and contraction, which can reflect the state of the cardiovascular system. Due to the difference in anatomical structure between the left and right sides, blood pressure is not exactly the same, usually the blood pressure of the right upper limb is relatively high. Under normal circumstances, the normal blood pressure difference is 30-60mmHg. The blood pressure difference between the two arms of the examiner is a normal indicator, and regular follow-up can be performed.

If the blood pressure difference is continuously too high or too low in daily life, it is necessary to consider diseases such as aortic valve insufficiency and heart failure. Medical examinations such as physical examination and imaging examination should be carried out in time to make a clear diagnosis to prevent adverse consequences.