What is the difference between high pressure and low pressure called?

May 11, 2023 Source: Cainiu Health

Dr. Tian Hongbo

Introduction

High pressure usually refers to systolic pressure, while low pressure generally refers to diastolic pressure. The difference between systolic and diastolic pressure is commonly known as pulse pressure. Blood pressure consists of diastolic and systolic pressures, and the difference between them is called pulse pressure. Normally, pulse pressure is around 40 mmHg and is primarily influenced by systolic and diastolic pressures. Any factors affecting systolic and diastolic pressures may lead to changes in pulse pressure.

Blood pressure generally refers to systolic pressure, while low pressure usually refers to diastolic pressure. The difference between systolic and diastolic pressure is commonly known as pulse pressure. Specific details are as follows:

Blood pressure consists of diastolic and systolic pressures, and the difference between them is called pulse pressure. Normal pulse pressure is typically around 40 mmHg and is primarily influenced by systolic and diastolic pressures. Therefore, any factors affecting systolic and diastolic pressures may lead to changes in pulse pressure. When pulse pressure exceeds 60 mmHg, it is referred to as increased pulse pressure and may be associated with conditions such as hyperthyroidism, severe anemia, or aortic sclerosis. When pulse pressure is less than 20 mmHg, it is called reduced pulse pressure and may be related to pericardial effusion, constrictive pericarditis, or aortic valve stenosis. In some elderly patients, arterial stiffening due to aging leads to increased systolic pressure and decreased diastolic pressure, resulting in elevated pulse pressure.

If a patient experiences any discomfort, they should seek timely medical treatment at a hospital. Regular, moderate physical exercise in daily life can help improve immune function.

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Can I get vaccinated if my blood pressure is 155 over 85?

If this blood pressure level has been stably maintained over a long period (e.g., through regular use of antihypertensive medication) and the individual does not experience symptoms such as dizziness, headache, or chest tightness, with overall stable health status, vaccination generally will not cause significant blood pressure fluctuations nor affect vaccine efficacy. After medical evaluation, routine vaccination can be administered, followed by continued blood pressure monitoring.

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Can an 80-year-old who has had three strokes still receive vaccines?

If recovery after stroke has been good, with no worsening of acute symptoms such as limb motor impairment or altered consciousness, stable control of baseline indicators like blood pressure and blood glucose, and no history of vaccine allergy or other severe contraindications, vaccination (e.g., influenza vaccine, pneumococcal vaccine) may be considered appropriate after comprehensive evaluation by a physician, in order to reduce the risk of complications from infections.