The differences between lying and sitting blood pressure measurements are usually different values for postural hypotension, different elbow placements, and different body positions.
1. Different values for postural hypotension: The values for postural hypotension are generally higher when measuring blood pressure lying down than when measuring blood pressure sitting down.
2. Different placement of the elbow: the elbow is usually placed at the level of the mid-axillary line when measuring blood pressure lying down, and the elbow is usually placed at the level of the fourth cartilage when measuring blood pressure sitting down.
3. Different body positions: lying down blood pressure measurement is in the lying position, while sitting blood pressure measurement is usually in the sitting position.
Note that when measuring blood pressure to keep the mood of relaxation, not too nervous, any abnormal results, it is recommended to promptly consult a doctor for relevant examinations, cooperate with the doctor active treatment, so as to avoid delays in the condition of the patient’s physical health caused by adverse effects.