What Causes High Blood Pressure
High blood pressure usually develops over time. It can happen because of unhealthy lifestyle choices, such as not getting enough regular physical activity. Certain health conditions, such as diabetes and having obesity, can also increase the risk for developing high blood pressure. High blood pressure can also happen during pregnancy.
You can manage your blood pressure to lower your risk for serious health problems that may affect your heart, brain, kidneys, and eyes.
Symptoms Of Low Blood Pressure
Most doctors will only consider chronically low blood pressure as dangerous if it causes noticeable signs and symptoms, such as:
- Dizziness or lightheadedness
- Fainting
- Dehydration and unusual thirst
- Dehydration can sometimes cause blood pressure to drop. However, dehydration does not always cause low blood pressure. Fever, vomiting, severe diarrhea, overuse of diuretics and strenuous exercise can all lead to dehydration, a potentially serious condition in which your body loses more water than you take in. Even mild dehydration can cause weakness, dizziness and fatigue.
- Lack of concentration
- Depression
What Is A Healthy Pressure Range
Blood pressure measures the force your heart uses to pump blood around the body.
Blood pressure is recorded in millimetres of mercury its measured using two recorded numbers, the systolic and diastolic pressure.
The first number is the systolic pressure is the force that your heart pumps blood around the body.
The second number in your reading is the diastolic pressure.
This number shows the resistance to blood flow in the blood vessels.
Healthy blood pressure should sit between 90/60mmHg and 120/80mmHg.
If your readings sit above 120/80mmHg you could be at risk of high blood pressure.
Elevated blood pressure readings range from 120 to 129 systolic and less than 80 mm Hg diastolic.
Brits with elevated blood pressure are at risk of developing high blood pressure without preventative steps, such as changing unhealthy lifestyle habits.
But blood pressure increases as you get older according to the medical website Thrombocyte so what is a healthy level for your age?
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Normal Blood Pressure For Men
Men are recommended to have an average normal blood pressure of 120/80 however, as we have noted, there are varying factors to consider when determining what works for each person. What is normal for a man in his 30s is not deemed a normal reading for a man in his 60s.
The following are the average blood pressures and the corresponding lows and highs for men from ages 15 to 64 years.
| Age |
Tests For Normal Blood Pressure
When you go in for a doctors visit, they will usually check your blood pressure. This includes going in for normal checkups, specialist visits, OBGYN appointments, and others. This is to ensure that your blood pressure is staying normal, which is important to monitor since there are no symptoms of high blood pressure. If your doctor doesnt take your blood pressure, you can usually request that they do so.
Blood pressure is measured with an inflatable cuff around your upper arm. You or your doctor will inflate the cuff, slowly letting air out. A gauge will provide the measurement. It only takes a minute or two and is generally painless. You can also measure your blood pressure at a pharmacy with a measurement machine.
If your blood pressure is high, the nurse or doctor may measure it a few times to get a more accurate reading. If it is still high, they may ask you to monitor your blood pressure at home and report back. If it stays high, you may need to take a urine test, a blood test for a cholesterol screening, and sometimes even an electrocardiogram, or EKG/ECG, to get a better look at the heart.
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How Blood Pressure Is Measured
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.
What Do The Readings Mean
As a general guide:
140/90mmHg or over you may have high blood pressureMost doctors use 140/90mmHg as the cut off for point for diagnosing high blood pressure . This is the point where your risk of serious health problems goes up. They might prescribe medications and advise you to make changes to your lifestyle to bring your blood pressure down. 120/80mmHg up to 140/90mmHg pre-high blood pressureAlso called high-normal blood pressure. This is not high blood pressure, but it is a little higher than it should be and means you could go on to develop high blood pressure. See how you can make healthy changes to your lifestyle to lower it. 90/60mmHg up to 120/80mmHg ideal blood pressureAlso called normal blood pressure. Your blood pressure reading is healthy. At this level you have a much lower risk of heart disease and stroke. Following a healthy lifestyle will help you to keep it in the healthy range. 90/60mmHg or lower you may have low blood pressureLow blood pressure usually isnt a problem, but it can sometimes make you feel faint or dizzy or could be a sign of another health problem.
The video below explains how your blood pressure numbers are linked to the risk of stroke and other disease.
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Hypertensive Crisis: When You Should Call 911 For High Blood Pressure
A hypertensive crisis is when blood pressure rises quickly and severely with readings of 180/120 or greater.
The consequences of uncontrolled blood pressure in this range can be severe and include:
- Pulmonary edema
- Eclampsia
An elevated reading may or may not be accompanied by one or more of the following symptoms:
- Severe headache
- Severe anxiety
Habits For Promoting Healthy Blood Pressure
Blood pressure is greatly influenced by lifestyle, so most healthy people can properly manage blood pressure without medical intervention.
Keeping body weight within a normal range, eating a heart-healthy diet, decreasing mental stress and having a regular aerobic exercise routine can have a profound effect on blood pressure, Kazemi said.
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Variations In Blood Pressure
Your blood pressure changes to meet your bodys needs. If a reading is high, your doctor may measure your blood pressure again on several separate occasions to confirm the level.
Your doctor may also recommend that you measure your blood pressure at home or have a 24-hour recording with a monitoring device.
Diagnosing High Or Low Blood Pressure
Only one of your numbers needs to be higher than it should be to be diagnosed with high blood pressure, and only one needs to be lower than it should be to be diagnosed with low blood pressure.
So if your top number is over 140 or the bottom number is over 90, you may be diagnosed with high blood pressure, regardless of the other number. If your top number is under 90 or your bottom number is under 60, you may be diagnosed with low blood pressure. Use the chart to see where your numbers sit.
If your top number is consistently higher than 140mmHg, but the bottom number is healthy – this is known as Isolated Systolic Hypertension. If the bottom number is consistently higher than 90mmHg but the top number is healthy – this is known as Isolated Diastolic Hypertension.
Making sure your readings arent a one-off
A single high reading doesnt necessarily mean you have high blood pressure, as many things can affect your blood pressure throughout the day, such as the temperature, when you last ate, and if youre feeling stressed.
Your doctor or nurse will probably want to measure your blood pressure a number of times over a few weeks to make sure the reading wasnt just a one off and that your blood pressure stays high over time.
Read about how high blood pressure is diagnosed, getting a blood pressure check, the further tests you might have if you have a high blood pressure reading, and what it means if youre diagnosed with high blood pressure.
Read more
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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 Do I Know If I Have High Blood Pressure
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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How Is High Blood Pressure Diagnosed
High blood pressure usually has no symptoms. So the only way to find out if you have it is to get regular blood pressure checks from your health care provider. Your provider will use a gauge, a stethoscope or electronic sensor, and a blood pressure cuff. He or she will take two or more readings at separate appointments before making a diagnosis.
| Blood Pressure Category | |
|---|---|
| and | 120 or higher |
For children and teens, the health care provider compares the blood pressure reading to what is normal for other kids who are the same age, height, and sex.
Normal Blood Pressure For Children
Normal BP ranges vary in children by age. The University of Iowa Stead Family Childrens Hospital provides this chart:
| Normal Blood Pressure for Children | |
|---|---|
| Systolic | |
| 112128 mm Hg | 6680 mm Hg |
What is considered healthy for your child also varies by height, age, and sex. You can use Baylor College of Medicine’s calculator to see if your childs blood pressure reading is in a healthy range.
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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.
Side Effects Of High Blood Pressure
Dangers of untreated high blood pressure include stroke, heart attack, heart failure, vision loss, kidney failure, vascular dementia and sexual dysfunction, says Dr. Desai. Its one of the top risk factors for developing atrial fibrillation, which is the most common heart rhythm disorder worldwide and can lead to stroke, heart failure and reduced quality of life.
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What Is A Hypertensive Crisis
A hypertensive crisis occurs when blood pressure suddenly rises above 180 systolic and/or 120 diastolic. This prompt either a hypertensive urgency or hypertensive emergency.
A hypertensive urgency accounts for about 75% of hypertensive crises. In these cases, a person has high blood pressure, but without any serious accompanying symptoms. A hypertensive emergency requires immediate medical care, as high BP is accompanied by one or more serious symptoms, including:
- Acute pulmonary edema
What Is Normal Blood Pressure For Men And Women
The healthy blood pressure range for men and women remains the same across all age groups.
Normal BP Range for Female in India Below 120/80 mm Hg and Above 90/60 mm Hg in an adult female.
Normal BP Range for Male in India Below 120/80 mm Hg and Above 90/60 mm Hg in an adult male.
However, when it comes to hypertension, it is important to recognise the differences between the two genders.
High BP is more common among men below the age of 50 than women of the same age, and the chances of developing hypertension increases in women as compared to men after the age of 55.
Hypertension causes complications such as heart attack and stroke, and these complications are less likely to occur in women who have undergone menopause than men of the same age. When comparing the complication risks of hypertension between men and women aged between 40 and 70 years, it is seen that men are at a higher risk of developing complications than women.
These findings suggest that regular BP screening should be conducted for young and middle-aged men, once they enter the 20s, and the same applies to women who have passed the menopause stage.
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Causes Of Secondary Hypertension:
What Is Considered High Blood Pressure
Hypertension is according to the latest blood pressure guidelines now defined as a systolic reading of 130 mm Hg or higher or a diastolic reading of 80 mm Hg or higher. This a change from the old blood pressure guidelines for hypertension, which was a systolic reading of 140 mm Hg or higher, and a diastolic reading of 80 mm Hg or higher.
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Blood Pressure Reading Chart
Below is a blood pressure reading chart for you.
*Remember that the larger figure in your reading represents the systolic value the smaller figure represents your diastolic value. Systolic is the measurement of pressure when the heart is beating. Diastolic is the measurement of pressure when the heart is resting.
More Than Blood Pressure
The new guidelines have other changes, too. First, they don’t offer different recommendations for people younger or older than age 65. “This is because the SPRINT study looked at all patients regardless of age and didn’t break down groups above or below a certain age,” says Dr. Conlin.
The guidelines also redefined the various categories of hypertension. It eliminated the category of prehypertension, which had been defined as systolic blood pressure of 120 to 139 mm Hg or diastolic pressure of 80 to 89 mm Hg. Instead, people with those readings are now categorized as having either elevated pressure or Stage 1 hypertension .
A reading of 140/90 mm Hg or higher is considered Stage 2 hypertension, and anything higher than 180/120 mm Hg is hypertensive crisis.
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Normal Vs Abnormal Blood Pressure
Both high blood pressure and low pressure can indicate a health issue, although hypertension typically is more of a concern than hypotension. The American Heart Association guidelines define five categories of blood pressure values.
Systolic pressure generally is given more consideration for people 50 and older because it tends to rise steadily with age as arteries become less pliable and plaque begins to build up, increasing the risk of cardiovascular disease.
And Whats The Definition Of High Blood Pressure
High blood pressure, also known as hypertension, puts a strain on your heart and blood vessels and makes you more susceptible to heart attacks and strokes.
Normal blood pressure is regarded as being between 120-129 and 80-84 .
The definition of high blood pressure, according to 2018 ESC/ESH Guidelines, is anything above 140/90 mmHg. If you measure it in the comfort of your own home, where youre likely to be more relaxed, the limit is slightly lower at 135/85.
If your blood pressure is between 120/80 and 140/90, you may be at risk of developing hypertension at some stage in the future unless you take action to bring it under control. This is called prehypertension.
A blood pressure reading of over 180/120 is dangerously high. Doctors call this a hypertensive crisis, and it requires immediate treatment.
Systolic blood pressure, the top number, is more important than diastolic blood pressure in people over 40. Thats because its a better predictor of stroke and heart attack. And only one of the two numbers has to be higher than it should be to count as high blood pressure.
All this can be summarised in a blood pressure chart, like this:
To check your blood pressure against the chart, start from your systolic pressure on the left-hand side, and move your finger to the right until you reach your diastolic pressure. The colour will tell you whether you have normal or abnormal blood pressure.
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