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Is 101 over 64 Blood Pressure Normal?

101/64 blood pressure is a normal, healthy blood pressure reading, also known as Normotension.

What does 101/64 blood pressure mean?

What Does 101 over 64 Blood Pressure Mean?

A BP reading of 101 over 64 means it is within the normal blood pressure range; a systolic pressure reading of 101 mmHg when your heart contacts on a beat, and a diastolic pressure of 64 mmHg when the heart is dilated or relaxing between beats. They are both measured in units of mmHg which are millimetres of mercury.

You may find these readings written as, 101 over 64, or more simply BP 101/64.

Reads Systolic Diastolic
101-over-64 101 64

Looking at your systolic and diastolic numbers independently, means they would each fall into the following categories:
  • A systolic reading of 101 is generally considered to be at the ‘ideal’ blood pressure level.
  • A diastolic reading of 64 is generally considered to be at the ‘ideal’ blood pressure level.

Both your systolic and diastolic readings play an important role when assessing your health. Typically, the reading that falls into a less favourable range dictates your overall blood pressure’s categorisation. In your situation, it is deemed ideal overall, since both your systolic and diastolic readings align at the same health status level. Minor variations exist in the naming conventions and specific boundaries of each category between different nations. We show what these differences are in the tables presented later in this article so you know where you stand on the EU, US, UK, Japan and international scales.

You can see your blood pressure readings of 101 over 64 plotted on the blood pressure chart above, noting that your overall classification for this BP reading falls into the ‘ideal‘ normal blood pressure range.

It is important to consider that a single blood pressure reading is not definitive and it can be affected by all sorts of factors. You really should take your blood pressure readings regularly with one of the many available home blood pressure monitors, in order to find a reasonably consistent average before jumping to any conclusions over a single BP measurement.

The column chart of your blood pressure above, compares the status of your systolic (higher) reading of 101mmHg over your diastolic (lower) reading 64mmHg from which you can determine your blood pulse pressure.

What Is Blood Pulse Pressure And What Is Mine?

Blood pulse pressure is the difference in value between your systolic and diastolic readings. Your pulse pressure is therefore 37mmHg, calculated by subtracting your diastolic reading of 64mmHg from the systolic reading of 101mmHg.

A normal pulse pressure is typically considered to be around 40mmHg. Your pulse pressure will naturally vary with different BP readings but the variation will typically be in the 5 to 10 mmHg range. Once again it is best to take several readings to determine an average.

A pulse pressure which is less than 25% of your systolic pressure is considered concerningly low and over 100%, would be considered wide. Your pulse pressure of 37mmHg as a percentage of your systolic reading of 101mmHg comes in at 37%.

Narrow pulse pressure means the heart is not pumping a large enough volume of blood. This condition is often seen in people with heart valve diseases or heart failure, or in cases of internal bleeding or significant blood loss from an injury.

Wide pulse pressure, also referred to as high pulse pressure, can occur during exercise and is often seen in endurance athletes and high muscle mass individuals without concern. However, for less active and aging individuals experiencing hardening of the arteries, a wide pulse pressure occurs for different reasons and can be a warning sign of increased risk of stroke, heart rhythm problems and heart disease.

If you are concerned about your pulse pressure, ask your healthcare professional for advice.

Different Countries May Interpret 101/64 Differently

Your 101/64 reading is seen an ideal or optimal normal blood pressure in many countries, although the specific boundaries for each category and the naming of them can vary slightly between nations.

Revisions to these scales also occur, notably in 2017, leading U.S. health groups, including the American College of Cardiology and the American Heart Association, set lower levels for what counts as the start of high blood pressure and removed the term prehypertension from their scale. Yet when the EU later reviewed their scale in 2018, they maintained a higher boundary for the start of hypertension.

So, large segments of the US population defined as having high blood pressure would not be considered to be suffering from hypertension by the EU.

You can check several country specific and international associations’ hypertension tables further down this page.

Where Does My Blood Pressure Show On The American College of Cardiology and American Heart Association (ACC/AHA) Hypertension Chart?

The ACC/AHA hypertension scale was most recently revised in 2017 and the major change at that time was lowering the definition of the start of hypertension from ≥140/≥90 mmHg to ≥130/≥80 mmHg. It also re-classified “prehypertension” as “elevated” blood pressure (120-129/<80 mmHg).

Your readings on the ACC/AHA blood pressure chart are shown below:

On the chart above you can see your blood pressure readings, this time plotted on the ACC/AHA hypertension scale giving an overall status of being within the normal blood pressure range.

The column chart above, again compares your systolic (higher) reading of 101 to the diastolic (lower) reading of 64 and their individual statuses but this time on the ACC/AHA hypertension scale. The ACC/AHA blood pressure guide gives you a systolic status of normal and a diastolic status of normal.

Categorisations of Blood Pressure by Region/Country

Here we present the latest revised blood pressure tables and naming terms used by the EU, US, Japan, UK and International Society of Hypertension (ISH). Some differentiate office vs home readings, office not meaning your workplace but the office of the medical staff. The reason this differentiation is made is because medical environments can be stressful and raise the readings compared to what is achieved when relaxing at home and taking your own measurements.

European Society of Cardiology (ESC) and the European Society of Hypertension (ESH) Classifications

Since 2023: source
Category Systolic (mmHg) Diastolic (mmHg)
Optimal (Ideal) <120 and <80
Normal 120–129 and/or 80–84
High normal 130–139 and/or 85–89
Grade 1 hypertension 140–159 and/or 90–99
Grade 2 hypertension 160–179 and/or 100–109
Grade 3 hypertension ≥180 and/or ≥110
Isolated systolic hypertension ≥140 and <90
Isolated diastolic hypertension <140 and ≥90

American College of Cardiology (ACC)/American Heart Association (AHA) Classifications

Since 2017: source
Category Systolic (mmHg) Diastolic (mmHg)
Normal <120 and <80
Elevated 120-129 and <80
Stage 1 130-139 or 80-89
Stage 2 ≥140 or ≥90
Hypertensive crisis >180 and/or >120

Japanese Society of Hypertension (JSH) Classifications

Since 2019: source
Classification Office blood pressure (mmHg) Home blood pressure (mmHg)
SBP DBP SBP DBP
Normal blood pressure <120 and <80 <115 and <75
High normal blood pressure 120–129 and <80 115–124 and <75
Elevated blood pressure 130–139 and/or 80–89 125–134 and/or 75–84
Grade I hypertension 140–159 and/or 90–99 135–144 and/or 85–89
Grade II hypertension 160–179 and/or 100–109 145–159 and/or 90–99
Grade III hypertension ≥180 and/or ≥110 ≥160 and/or ≥100
(Isolated) systolic hypertension ≥140 and <90 ≥135 and <85

UK National Health Service (NHS)/British Heart Foundation(BHF) Classifications

Since 2023: source
Classification Office blood pressure (mmHg) Home blood pressure (mmHg)
SBP DBP SBP DBP
Low blood pressure <90 <60 <90 <60
Normal blood pressure (Under 80s) 90–120 60–80 90–120 60–80
Normal blood pressure (Over 80s) <150 <90 <145 <85
High-normal blood pressure (pre-hypertension) 120–140 80–90 120–140 80–90
Stage one 140–160 90–100 135–150 85–95
Stage two 160–180 100–120 >150 >95
Stage three (Severe hypertension) >180 >120 N/A N/A

International Society of Hypertension (ISH) Classification

Since 2020: source
Category Systolic (mm Hg) Diastolic (mm Hg)
Normal BP <130 and <85
High-normal BP 130–139 and/or 85–89
Grade 1 hypertension 140–159 and/or 90–99
Grade 2 hypertension ≥160 and/or ≥100

What Blood Pressure Is Normal?

Ideally your blood pressure should be between 90/60mmHG and 120/80mmHg to be considered within the normal blood pressure range, also known as the normotension range. You can see slight variations to this in the tables above. The main concern however, often known as the “silent killer,” is high blood pressure, which rarely has obvious symptoms. The World Health Organisation estimates 1.28 billion adults aged 30-79 have high blood pressure, with 46% of those unaware that they have it. If left untreated persistent high blood pressure can increase your risk of a number of serious and potentially life-threatening health conditions, such as:

    – aortic aneurysms
    – heart attacks
    – heart disease
    – heart failure
    – kidney disease
    – peripheral arterial disease
    – strokes
    – vascular dementia

If you develop high blood pressure, reducing it even a small amount can help lower your risk of these health conditions.

By taking your own blood pressure readings regularly at home, with one of the many affordable blood pressure monitors (also known as a blood pressure gauge or sphygmomanometer), you will get a more consistent average to work with, rather than the occasional reading given to you when visiting your doctor. You can then better understand if your blood pressure is ok, or whether you need to make some changes to your lifestyle to shift your blood pressure into a healthier range.

If your blood pressure readings are high or low more often than normal, you should speak to your doctor to discuss what the underlying causes might be. They may need to prescribe blood pressure medicines if they think there is a problem.

As My Blood Pressure is ‘ideal’ or ‘normal’ Should I Have Any Concerns?

Your blood pressure’s overall status comes in as an ideal blood pressure in general, being classed as a normal blood pressure reading on the newer ACC/AHA (American College of Cardiology/American Heart Association) scale, which was last revised in 2017. This is an excellent result and you should either seek to maintain a healthy lifestyle or focus on adopting one to prevent the onset of higher blood pressure later in life.

There are number of things you can do to keep your blood pressure in the recommended range:

Keep Your Weight Under Control

Increased weight is normally associated with increased blood pressure. Losing a kilogram or 2.2 pounds will generally reduce you blood pressure reading by 1mm of mercury (mmHg). Women should look to keep waist sizes under 89cm or 35 inches and men less than 89cm or 40 inches (depending on ethnic group). Carrying too much weight around the waist increases the risk of high blood pressure.

Eat Healthily

Keeping to a diet rich in fruit, vegetables, nuts and grains alongside low fat dairy products will lower the amount of saturated fats you intake. You should also keep the amount of salt in your diet relatively low as salt increases blood pressure, however as with caffeine, which may also increase blood pressure after consumption by around 10mmHg, sensitivity varies from person to person. Eating foods high in potassium helps reduce the effects of sodium on blood pressure. Most adults should aim to limit their sodium intake to around 1.5 grams a day according to the AHA (a teaspoon has about 2.5g), while the World Health Organisation deems the average actual consumption is closer to 9-12 grams per day. Opt for low sodium varieties of any processed food you buy, processed food is typically high in salt content, and read food labels to see how your sodium intake is adding up.

Quit Smoking And Reduce Alcohol Intake

Smoking or drinking too much alcohol can cause both short and longer term increases in blood pressure. While drinking low levels of alcohol has been shown to reduce blood pressure in some studies, exceeding moderate recommended intake levels can lead to alcohol induced hypertension – which has been shown to affect about 16% of the US population in past studies.

Exercise And Find Ways To Reduce Stress

If you want to keep your blood pressure down, you should exercise for 30 minutes or more every day. This could include things like fast walking, jogging, swimming, playing football, or any other active sport. It’s also important to try to reduce stress in your life. You can do this by avoiding things that stress you out, or by changing the way you deal with stressful situations. Some people find that meditation and taking time for their hobbies and interests can help reduce stress. Dogs have also been found to be beneficial in reducing stress and lowering blood pressure in humans and aside from the interaction with them, they provide a good reason to get out and exercise every day.

Key Takeaways:

  • Blood Pressure Reading: A blood pressure of 101/64 is considered a normal and healthy reading, also referred to as Normotension.
  • Understanding the Readings: A systolic reading of 101 and a diastolic reading of 64 both fall into the ‘ideal’ blood pressure level. These readings represent the pressure when the heart contracts and relaxes, respectively.
  • Pulse Pressure: The difference between systolic and diastolic readings is known as pulse pressure.
    • A normal pulse pressure is around 40mmHg and between 25-100% of you systolic reading.
    • The pulse pressure for this reading of 101/64 is 37mmHg.
    • 37mmHg a percentage of your systolic reading (101mmHg) is 37%.
  • Variations Across Countries: Different countries might have slight variations in the naming conventions and boundaries for blood pressure categories. For instance, the U.S. and the EU have different criteria for what constitutes high blood pressure.
  • Consistency is Key: A single blood pressure reading is not definitive. It’s essential to take multiple readings over time to get an accurate average.
  • Importance of Monitoring: Regularly monitoring blood pressure at home provides a more accurate picture of one’s health status. If readings are consistently high or abnormally low, it’s crucial to consult a medical professional.
  • Maintaining Ideal Blood Pressure: To maintain or achieve an ideal blood pressure, it’s recommended to manage weight, eat a balanced diet, limit salt intake, quit smoking, reduce alcohol consumption, exercise regularly, and manage stress.

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