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What Does Systolic Blood Pressure Mean

Checking Blood Pressure At Home

Blood Pressure Made Simple: What does Systolic and Diastolic pressures mean?

Keeping track of blood pressure at home is important for many people, especially if you have high blood pressure. This helps you and your doctor find out if your treatment is working.

Your doctor may also suggest that you check your pressure at home if they think you may have “white coat hypertension.” It’s a real condition. The stress of being in a doctor’s office raises your blood pressure, but when you’re home, it’s normal.

Ask your doctor to recommend an easy-to-use home blood pressure monitor. Make sure the cuff fits properly. If your arm is too big for the cuff, the reading may be higher than your blood pressure really is. Ask your doctor for a larger cuff or make sure you buy a home monitor with a cuff that fits you.

You also can use a wrist blood pressure monitor, but they often aren’t as accurate. Follow the directions that come with the device to make sure you are using it correctly.

No matter which type of blood pressure monitor you have, it’s a good idea to take it to your doctor’s office. You can compare its reading to the numbers your doctor gets. Avoid caffeine, cigarettes, and exercise for at least 30 minutes before the test.

When you take your blood pressure at home, sit up straight in a chair and put both feet on the floor. Ask your doctor or nurse to show you the right way to position your arm so you get accurate readings.

What Does It Mean When Systolic Is High And Diastolic Is Low

Isolated systolic hypertension is when your systolic blood pressure is high, but your diastolic blood pressure is normal. It can occur naturally with age or can be caused by a variety of health conditions including anemia and diabetes. ISH should still be treated even though your diastolic pressure is normal.

Blood Pressure Readings Explained

What do the numbers mean?

Everyone would like to have healthy blood pressure. But what exactly does that mean?

When your doctor takes your blood pressure, its expressed as a measurement with two numbers, with one number on top and one on the bottom , like a fraction. For example, 120/80 mm Hg.

The top number refers to the amount of pressure in your arteries during the contraction of your heart muscle. This is called systolic pressure.

The bottom number refers to your blood pressure when your heart muscle is between beats. This is called diastolic pressure.

Both numbers are important in determining the state of your heart health.

Numbers greater than the ideal range indicate that your heart is working too hard to pump blood to the rest of your body.

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Regulation Of Blood Pressure

The endogenous, homeostatic regulation of arterial pressure is not completely understood, but the following mechanisms of regulating arterial pressure have been well-characterized:

These different mechanisms are not necessarily independent of each other, as indicated by the link between the RAS and aldosterone release. When blood pressure falls many physiological cascades commence in order to return the blood pressure to a more appropriate level.

  • The blood pressure fall is detected by a decrease in blood flow and thus a decrease in glomerular filtration rate .
  • Decrease in GFR is sensed as a decrease in Na+ levels by the macula densa.
  • The macula densa causes an increase in Na+ reabsorption, which causes water to follow in via osmosis and leads to an ultimate increase in plasma volume. Further, the macula densa releases adenosine which causes constriction of the afferent arterioles.
  • At the same time, the juxtaglomerular cells sense the decrease in blood pressure and release renin.
  • Renin converts angiotensinogen to angiotensin I .
  • Angiotensin I flows in the bloodstream until it reaches the capillaries of the lungs where angiotensin converting enzyme acts on it to convert it into angiotensin II.
  • Angiotensin II is a vasoconstrictor that will increase blood flow to the heart and subsequently the preload, ultimately increasing the cardiac output.
  • How To Use A Home Blood Pressure Monitor

    What Are Systolic and Diastolic Blood Pressures?
    • Be still. Don’t smoke, drink caffeinated beverages or exercise within 30 minutes before measuring your blood pressure. Empty your bladder and ensure at least 5 minutes of quiet rest before measurements.
    • Sit correctly.Sit with your back straight and supported . Your feet should be flat on the floor and your legs should not be crossed. Your arm should be supported on a flat surface with the upper arm at heart level. Make sure the bottom of the cuff is placed directly above the bend of the elbow. Check your monitor’s instructions for an illustration or have your healthcare provider show you how.
    • Measure at the same time every day. Its important to take the readings at the same time each day, such as morning and evening. It is best to take the readings daily however ideally beginning 2 weeks after a change in treatment and during the week before your next appointment.
    • Take multiple readings and record the results. Each time you measure, take two or three readings one minute apart and record the results using a tracker. If your monitor has built-in memory to store your readings, take it with you to your appointments. Some monitors may also allow you to upload your readings to a secure website after you register your profile.
    • Don’t take the measurement over clothes.
    and/or HIGHER THAN 120

    Note: A diagnosis of high blood pressure must be confirmed with a medical professional. A doctor should also evaluate any unusually low blood pressure readings.

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    Lack Of Physical Activity

    A sedentary lifestyle can contribute to several health issues, including high blood pressure.

    According to the AHA, physical activity can help a person lower their blood pressure. It can also improve their heart health and reduce their weight.

    The AHA recommend 150 minutes a week of moderate-to-intense physical activity, such as walking briskly, running, or bicycling.

    When To Check Blood Pressure

    • If your blood pressure is normal , get it checked every year, or more often as your doctor suggests.
    • If your blood pressure is elevated — a systolic blood pressure between 120 and 129 or diastolic blood pressure of less than 80 — your doctor will probably want to check it every 3-6 months. They will probably recommend lifestyle changes like more exercise and a better diet.
    • If you have stage 1 hypertension — 130-139 over 89-90 — the doctor might suggest lifestyle changes and see you again in 3-6 months. Or they could tell you to make the changes and give you medication, then recheck your condition in a month. It depends on what other health conditions or risk factors you have.
    • If you have stage 2 hypertension — 140/90 or higher — youâll likely get medication. You’ll also need to make lifestyle changes and see the doctor again in a month.

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    The Blood Pressure Chart

    Once you know your numbers, you can use;the blood pressure chart to see what they mean and if your blood pressure is in the healthy range. The chart is suitable for adults of any age, as the cut-off point for diagnosing high blood pressure doesnt change with age.

    How to use the blood pressure chart

    Simply find your top number on the left side of the chart and your bottom number on the bottom. Where the two lines meet is your blood pressure.

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    How Blood Pressure Is Measured

    High Systolic Blood Pressure – What does diastolic hypertension mean? Solution!

    A doctor or nurse will measure your blood pressure with a small gauge attached to an inflatable cuff. It’s simple and painless.

    The person taking your blood pressure wraps the cuff around your upper arm. Some cuffs go around the forearm or wrist, but often they aren’t as accurate.

    Your doctor or nurse will use a stethoscope to listen to the blood moving through your artery.

    Theyâll inflate the cuff to a pressure higher than your systolic blood pressure, and it will tighten around your arm. Then theyâll release it. As the cuff deflates, the first sound they hear through the stethoscope is the systolic blood pressure. It sounds like a whooshing noise. The point where this noise goes away marks the diastolic blood pressure.

    In a blood pressure reading, the systolic number always comes first, and then the diastolic number. For example, your numbers may be “120 over 80” or written as 120/80.

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    What Is Normal Blood Pressure And When Is Blood Pressure Considered To Be High

    Blood pressure is always measured on a number of different days and when you are at rest. If several of these measurements are too high, you are said to have high blood pressure, even if only one of the two either the systolic or the diastolic one is high. The medical term for high blood pressure is hypertension. In adults, blood pressure is considered to be normal under a systolic value of 140 mmHg and under a diastolic value of 90 mmHg.

    When taking your blood pressure for the first time, it makes sense to measure the blood pressure in both arms, because it’s sometimes high on only one side. The values that are higher are always the ones used for assessing blood pressure. After that it is enough to measure the blood pressure only in the arm that produced the higher reading. A person is considered to have high blood pressure if the systolic value is over 140 mmHg, the diastolic value is over 90 mmHg, or if both are higher than these readings.

    Table: Normal and high blood pressure readings

    systolic over 140 mmHg and/or diastolic over 90 mmHg

    Why Is It Important To Know If You Have High Blood Pressure

    Early detection of high blood pressure is very important. Often referred to as the silent killer because it may show no symptoms, high blood pressure puts you at an increased risk for heart disease, heart failure, and stroke, among other things. According to the Centers for Disease Control and Prevention, in 2013, more than 360,000 deaths in the United States included high blood pressure as a primary or contributing cause.

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    What Is Considered High Blood Pressure For Older Adults

    Recent updates to guidelines from the American Heart Association and the American College of Cardiology changed the definition of high blood pressure or hypertension for most people. High blood pressure is now generally defined as 130 or higher for the first number, or 80 or higher for the second number . However, there are important considerations for older adults in deciding whether to start treatment for high blood pressure, including other health conditions and overall fitness. If your blood pressure is above 130/80, your doctor will evaluate your health to determine what treatment is needed to balance risks and benefits in your particular situation.

    How Do I Know If I Have High Blood Pressure

    What do my numbers mean? Blood pressure readings explained ...

    Theres only one way to know if you have high blood pressure: Have a doctor or other health professional measure it. Measuring your blood pressure;is quick and painless.

    Talk with your health care team about regularly measuring your blood pressure at home, also called self-measured blood pressure monitoring.

    High blood pressure is called the silent killer because it usually has no warning signs or symptoms, and many people do not know they have it.

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    Healthy And Unhealthy Blood Pressure Ranges

    Learn whats considered normal, as recommended by the American Heart Association.

    Blood Pressure Chart

    SYSTOLIC mm Hg and/or DIASTOLIC mm Hg
    NORMAL
    HIGH BLOOD PRESSURE STAGE 1 130 139
    HIGH BLOOD PRESSURE STAGE 2 140 OR HIGHER
    HYPERTENSIVE CRISIS HIGHER THAN 180 and/or HIGHER THAN 120

    Note: A diagnosis of high blood pressure must be confirmed with a medical professional. A doctor should also evaluate any unusually;low blood pressure readings.

    How Do I Choose A Blood Pressure Monitor

    The first step in measuring your blood pressure at home is getting a blood pressure monitorone that is accurate, fitted, validated, and works for your lifestyle. These are some things you should consider:

    • Get an arm cuff Devices come in many styles these days, including ones that attach to your arm and ones that attach at your wrist. Wrist cuffs can be attractive because you dont need to roll up your sleeves to use them, but they tend to give inaccurate measurements. Go with an arm cuff instead.

    • Choose the right cuff size The wrong cuff size can lead to inaccurate blood pressure readings. Larger cuffs are better for larger arms, and smaller cuffs are better for smaller arms. Make sure you get a size that fits you.

    • Make sure the device is right for your age Devices are specific to age. Some are meant for older people, and some are meant for children. As an aside, some are even meant for women who are pregnant. Make sure to get one thats right for you.

    • Make sure the device is validated It may be tempting to just buy the cheapest device on the internet, but you may end up with a blood pressure device that isnt approved or validated for taking an accurate measurement. Make sure yours is validated.

    • Newer blood pressure devices with Bluetooth integration allow you to conveniently track your blood pressure measurements through an app. This feature makes it easy to share your records with your doctor , but it usually comes at a price.

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    What Does It Mean When Your Blood Pressure Is Below 90

    Some experts define low blood pressure as readings lower than 90 mm Hg systolic or 60 mm Hg diastolic. If either number is below that, your pressure is lower than normal. A sudden fall in blood pressure can be dangerous. A change of just 20 mm Hg a drop from 110 systolic to 90 mm Hg systolic,

    Treatment For Low Blood Pressure

    What is blood pressure? | Circulatory system physiology | NCLEX-RN | Khan Academy

    Having low blood pressure is not always an immediate cause for concern. Many people with low blood pressure are unaware that they have it. Doctors may only consider treatment for low blood pressure if it causes troubling symptoms.

    People who experience temporary symptoms of low blood pressure, such as lightheadedness or increased heart rate after standing up too quickly, should sit down to rest until the symptoms subside.

    People who frequently experience these symptoms must take great care when moving from a prone position to standing to avoid falling.

    If a medication causes symptoms of low blood pressure, doctors may recommend switching medications or lowering a dosage. A person should only change their medication under the guidance of a doctor.

    The note that some people may not need treatment for low blood pressure at all. However, for those that do, possible treatments may include:

    • drinking water to avoid dehydration
    • taking medications to raise the blood pressure
    • changing eating habits

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    How Can You Manage Your High Blood Pressure

    Treatment of high blood pressure often starts with lifestyle changes, including decreasing salt in your diet, losing weight if necessary, stopping smoking, cutting down on alcohol use, and regular exercise.

    In addition to lifestyle changes, medications are often used to lower blood pressure. There are several types of medications that treat high blood pressure with each type of medication having benefits and risks that should be carefully weighed by you and your health care provider. Most people take more than one medication in order to bring their blood pressure down to their treatment goal.

    Your blood pressure medication should begin to work within days. However, because high blood pressure is a long-lasting medical condition that often has little or no symptoms, remembering to take your medications can be a challenge. Combination medicines, long-acting or once-a-day medications, may be used to decrease the burden of taking numerous medications and help ensure medications regularly. Once started, the medication should be used until your doctor tells you to stop.;

    Controlling your blood pressure should be part of a healthy living plan and lifelong task. The damage that high blood pressure causes your internal organs does not cause any symptoms until serious damage has been done.

    What Does The Diastolic Blood Pressure Number Mean

    The diastolic reading, or the bottom number, is the pressure in the arteries when the;heart;rests between beats. This is the time when the heart fills with blood and gets oxygen.

    This is what your diastolic blood pressure number means:

    • Normal: Lower than 80
    • Stage 2 hypertension: 90 or more
    • Hypertensive crisis: 120 or more. Call 911.

    Our chart below has more details.

    Even if your diastolic number is normal , you can have elevated blood pressure if the systolic reading is 120-129.

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    What Is Ambulatory Blood Pressure Monitoring

    If a doctor recommends ambulatory blood pressure monitoring, you will need to wear a blood pressure cuff for 24 hours. It’s connected to a small, portable measuring device that automatically measures your blood pressure at set times and records the readings.

    Ambulatory blood pressure monitoring is used, for example, to see whether blood pressure levels vary greatly over the course of the day and night or whether they are constantly elevated. During those 24 hours, you can do all of the usual things you would otherwise do over the course of the day. If you are especially active at certain times, you can make a note in a diary. Then the doctor has a better idea of how to interpret the recorded values when evaluating them.

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