The low normal systolic blood pressure for a 30-year old is

Blood pressure is reported in mm Hg, in which the systolic is the numerator and diastolic is the denominator. See Table 5.1 for an overview of estimated normal blood pressure for age.

Table 5.1: Estimated Normal Blood Pressure for Age

AgeNormal Systolic RangeNormal Diastolic RangeNewborn to 1 month45–80 mm Hg30–55 mm HgOne to 12 months65–100 mm Hg35–65 mm HgYoung child (1–5 years)80–115 mm Hg55–80 mm HgOlder child (6–13 years)80–120 mm Hg45–80 mm HgAdolescent (14–18 years)90–120 mm Hg50–80 mm HgAdult (19–40 years)95–135 mm Hg60–80 mm HgAdult (41–60 years)110–145 mm Hg70–90 mm HgOlder adult (61 and older)95–145 mm Hg70–90 mm Hg

Points to Consider

The average blood pressure for an adult is 120/80 mm Hg. However, this is only an average and the healthcare provider needs to consider acceptable ranges for individual clients. For example, in adults, normal blood pressure can range from 95–145/60–90 mm Hg. The healthcare provider considers the client’s baseline blood pressure and the client’s current health state in conjunction with subjective data and other objective data. For example, a blood pressure of 90/50 mm Hg may be normal for a healthy, asymptomatic 20-year-old adult.

Factors that influence blood pressure include age, sex, ethnicity, weight, exercise, emotions/stress, pregnancy, and diurnal rhythm as well as medication use and disease processes.

• The general pattern is that blood pressure rises with age, so normal variations tend to be higher for older adults.
• Blood pressure is similar in childhood for males and females. After puberty, females have lower blood pressure than males, whereas after menopause females have higher blood pressure than males.
• Research has revealed that ethnicity may be a predictor of blood pressure, but this causation is not necessarily biological, but rather sociocultural. When determining risk for high blood pressure, it is important to consider ethnicity as a contributing factor.
• The diurnal cycle influences blood pressure to be lower in the morning and increase throughout the day until early evening. Try it out: take your blood pressure when you wake up in the morning and then again in late afternoon, and note the difference. This is one reason why healthcare providers document the time a client’s blood pressure is taken.
• Blood pressure can be higher in people who are obese because the heart has to work harder to perfuse the body’s tissues.
• The sympathetic nervous system is stimulated by exercise, stress, anxiety, pain, anger, and fear, which increases blood pressure. Blood pressure returns to baseline within five minutes of rest following activity. Try it out. Have a peer take your blood pressure. Then, run on the spot or do some other cardiac activity for five minutes. Have the peer take your blood pressure again, and then lie down and rest for five minutes. Take the blood pressure again. Note the changes.
• Blood pressure varies throughout the duration of pregnancy. It decreases about halfway through the first trimester until mid-pregnancy due to progesterone effects that relax the walls of blood vessels, causing decreased peripheral vascular resistance. It returns to pre-pregnancy values toward the end of pregnancy.

Points to Consider

‘White coat syndrome’ refers to elevated blood pressure due to nervousness or anxiety when clients have their blood pressure taken by a healthcare provider. This occurs in approximately 20% of clients. Key message: have the client take their blood pressure at home with an automatic home blood pressure cuff and compare the findings. Alternatively, you can ask the client to sit quietly and leave the room while an automatic cuff takes a client’s blood pressure. The automatic cuff can be programmed to take three measurements and the blood pressure documented is an average of the three readings.

Also called hypotension, low blood pressure is not a problem if you’re healthy and show no signs or symptoms of the condition. However, abnormally low blood pressure can cause problems such as dizziness and fainting and can be a sign that other serious conditions, such as heart disease, are present.

What Is Blood Pressure?

Blood pressure is the force of blood pushing on the artery walls as it is pumped out of the heart. Blood pressure is measured in two kinds of pressures. Systolic pressure is when the heart beats while pumping blood. Diastolic pressure is when the heart is at rest between beats.

Blood pressure is measured in millimeters of mercury (mmHg). Systolic pressure is listed first (or the “top” number), then diastolic pressure (or the “bottom” number).

Normal blood pressure in adults is less than 120/80 mmHg. Low blood pressure is a reading below 90/60 mmHg.

Most forms of hypotension happen because your body can't bring blood pressure back to normal or can't do it fast enough.

For some people, low blood pressure is normal. They have it all the time, with no symptoms or negative side effects.

In other people, abnormally low blood pressure is caused by certain medical conditions or factors. When this happens, less blood and oxygen flow to the body's organs.

Symptoms And Causes Of Low Blood Pressure

Many different conditions and situations can cause low blood pressure, from standing up too fast to being pregnant. Sometimes, low blood pressure is linked to an underlying problem. That’s why it’s important to see your doctor right away if you experience the signs of low blood pressure.

Symptoms of low blood pressure can include:

• Dizziness
• Fainting
• Dehydration
• Lack of concentration
• Blurred vision
• Nausea
• Cold, clammy and pale skin
• Rapid, shallow breathing
• Fatigue
• Depression

Low blood pressure can be a sign of serious heart, endocrine or neurological conditions. If left untreated, the brain and other vital organs do not get the oxygen and nutrients they need. In extreme cases, this can cause shock, a life-threatening condition.

If you show signs of low blood pressure, your doctor will conduct an exam and may perform tests to determine what’s causing the condition. Low blood pressure can occur with many other conditions.

Some causes of low blood pressure are:

• Prolonged bed rest, in which circulation decreases due to lack of movement
• Heart problems that prevent the heart from being able to circulate enough blood
• Endocrine problems, such as an under-active thyroid
• Pregnancy. Blood pressure often drops in the first 24 weeks of pregnancy.
• Decrease in blood volume from trauma, dehydration, or internal bleeding
• Certain medicines. Medicines that treat hypertension, heart conditions, Parkinson’s disease, depression, and erectile dysfunction can lower blood pressure.
• Nutritional deficiencies, such as a lack of vitamin B-12 and folic acid, may lead to anemia, which can cause low blood pressure.
• Severe infections like septic shock, when bacteria enter the blood stream
• Severe allergic reaction (anaphylaxis) that causes problems with breathing and sudden drop in blood pressure
• Postural (orthostatic) hypotension, a rapid blood pressure drop when standing from a sitting or lying down position
• Neurally mediated hypotension, which is a blood pressure drop after standing for long periods

Living With Low Blood Pressure

Medicines and lifestyle changes can help you live safely with chronic low blood pressure. Your doctor can recommend steps you can take to manage your low blood pressure. These actions can help control the condition:

Drink more water. This can help avoid dehydration.

Medicines and lifestyle changes can help you live safely with chronic low blood pressure.

Avoid alcohol. Alcoholic beverages are dehydrating, and alcohol changes how medicines work in your body.

Slow down. Take your time when standing up. If lying down, sit up first. Then wiggle your feet and move your legs. This will increase circulation and get your heart rate up so that you don’t feel lightheaded when you stand up.

If your medicine and lifestyle changes do not reduce your low blood pressure symptoms, talk with your doctor about other changes you can make.

What is low normal systolic blood pressure?

What is low blood pressure for a 32 year old?