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What Is Low Blood Pressure Reading

What Do Blood Pressure Numbers Mean

TriHealth Doctor on Call: When is a Blood Pressure Reading Too Low?

Your blood pressure reading comes with two numbers. The first number refers to your systolic blood pressure. The second number refers to your diastolic blood pressure.

“Systolic” refers to “contraction” in Latin. Your systolic blood pressure is the highest blood pressure exerted when your heart beats , and puts pressure on blood vessels. “Diastolic” is related to the Latin word for “dilate.” Your diastolic blood pressure is the lowest blood pressure put on your blood vessels, with your heart at rest between beats, when it dilates . Systolic and diastolic blood pressures are usually easy to record with measurements done with a blood pressure cuff. Blood pressure measurements are recorded as systolic pressure/diastolic pressure in mm Hg for example, 120/80 mm Hg.

Heart Attack And Heart Disease

High blood pressure can damage your arteries by making them less elastic, which decreases the flow of blood and oxygen to your heart and leads to heart disease. In addition, decreased blood flow to the heart can cause:

  • Chest pain, also called angina.
  • Heart attack, which happens when the blood supply to your heart is blocked and heart muscle begins to die without enough oxygen. The longer the blood flow is blocked, the greater the damage to the heart.
  • Heart failure, a condition that means your heart cant pump enough blood and oxygen to your other organs.

What Are The Side Effects Of The Treatment For Low Blood Pressure

There are no side effects for the lifestyle and dietary changes that can treat hypotension.

The medications used to treat hypotension have several side effects, some of which may be serious. Fludrocortisone can make certain infections worse, so its essential to discuss this medication with your doctor. The most common side effects from fludrocortisone are:

  • Increased risk of infection.

The most common side effects from midodrine are:

  • Numbness or tingling.
  • Goosebumps and chills.

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Check Your Blood Sugar

Diabetes and high blood sugar levels may lead to low blood pressure. Volume depletion can occur from the diuresis that follows high blood sugar levels. This is when your body tries to expel glucose via increased urination.

Consider using a home monitor to check your blood sugar levels throughout the day. See your doctor to find out the best diet, exercise, and medication plan to help balance blood sugar levels.

Low Blood Pressure Also Known As Hypotension Is When You Have A Blood Pressure Level That Is Below The Normal Range

Blood Pressure Readings Explained

If your blood pressure is naturally low, this probably wont cause you any problems and wont need treating. In fact, the lower your blood pressure, the lower your risk of heart disease and stroke.

Low blood pressure can sometimes be caused by medications or can be a sign of another health problem. This can sometimes cause problems such as falls, fainting and feeling dizzy, so it might need looking into and treating. Speak to your doctor or nurse if youre worried about low blood pressure.

Plus, take a look at the animation below on how to manage low blood pressure when you stand up.

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How Can I Control My Blood Pressure

You can often lower your blood pressure by changing your day-to-day habits and by taking medication if needed. Treatment, especially if you have other medical conditions such as diabetes, requires ongoing evaluation and discussions with your doctor.

Lifestyle changes you can make to help prevent and lower high blood pressure:

In addition to recommending lifestyle changes, your doctor will likely prescribe medication to lower your blood pressure to a safe level. Isolated systolic hypertension, the most common form of high blood pressure in older adults, is treated in the same way as regular high blood pressure but may require more than one type of blood pressure medication. You may try several kinds or combinations of medications before finding a plan that works best for you. Medication can control your blood pressure, but it can’t cure it. If your doctor starts you on medication for high blood pressure, you may need to take it long-term.

Medications That Can Cause Low Blood Pressure

Medications might also cause your blood pressure to become too low.

Diuretics, tricyclic antidepressants, and erectile dysfunction drugs can also cause hypotension.

If a medication youre taking causes your blood pressure to become too low, your doctor may adjust the dosage or change the medication. This usually improves the hypotension.

Hypotension doesnt always cause symptoms. But sometimes low blood pressure means your vital organs arent receiving as much blood flow as they need. If this happens, you might feel tired or unwell. Symptoms of hypotension may include:

  • fatigue, an all-around sense of tiredness or lacking energy
  • lightheadedness, or feeling like you might faint
  • dizziness, feeling off-balance when you get up from a reclined or seated position, or while youre standing
  • nausea, a sense of discomfort in your stomach and feeling like you want to vomit
  • clammy skin, when you feel damp or sweaty to the touch
  • depression, persistent feelings such as sadness or low mood that interfere with your daily activities

Your treatment plan will depend on whats causing your hypotension. Your doctor will consider factors including:

  • the type of hypotension youre experiencing
  • the situations that may be causing hypotension for you

For some people, low blood pressure may not cause any symptoms. In cases where treatment is needed, your doctor may recommend lifestyle changes, medical treatment, or a combination of both.

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What To Do If You Experience A Sudden Drop In Blood Pressure

A single low blood pressure reading is no cause to be concerned unless you experience other symptoms.

A sudden drop in blood pressure as little as a drop from 120 to 100 in your systolic number can be dangerous if it triggers dizziness and fainting. Such symptoms can be a sign of an underlying problem that may need medical attention.

You should keep a record of your activities and when symptoms happen to discuss them with your doctor. If you experience any low blood pressure symptoms related to shock, you should seek immediate medical attention.

Treatment And Medication Options For High Blood Pressure

Blood Pressure Facts : What Is a Low Blood Pressure Reading?

Most people who have high blood pressure will likely need lifelong treatment to help ward off or delay serious health problems brought on by the condition.

Options to treat high blood pressure may include eating a healthy diet with less salt, taking medication, and incorporating additional lifestyle changes. These include exercise, limiting alcohol intake, smoking cessation, and managing stress.

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How Is Low Blood Pressure Treated

If your blood pressure is naturally low and isnt causing you any problems it probably wont need any treatment. If you have symptoms and your doctor or nurse feels that you would benefit from treatment, they will try to find the cause of your low blood pressure so that they can find the best way to treat it.

The treatments will vary depending on the cause.

  • A change in medications. If your GP thinks that your blood pressure is caused by a medication youre taking they might want to try an alternative medication or a different dose.
  • Hormone replacement. If your low blood pressure is caused by a change in certain hormones, for example if your adrenal glands have been damaged, you may be referred to a specialist called an endocrinologist. They might prescribe hormone replacement medication.
  • Medicines to stimulate your nerves. If you have a neurological condition, you may be given medicines to stimulate the nerves.
  • Medicines for low blood pressure. These medicines narrow your blood vessels or expand the volume of your blood to raise your blood pressure. These are very rarely needed, as the treatments listed above and the changes you can make for yourself are usually enough.

Exercise For Low Blood Pressure

Everyday exercise such as a 30-minute walk or light running can serve to improve circulation and alleviate any existing symptoms of low blood pressure. It is best to go with a companion if already a patient of hypotension, in case episodes of blurry vision, giddiness, or fainting happen during these times.

It is necessary to avoid undue stress to the body and sudden, jerky movements through heavy lifting and other strenuous exercise so that the flow of movement is smooth. Discipline and consistency regarding exercise aids the underlying causes of low blood pressure, while alleviating its symptoms as well.

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What Are The Causes Of High Blood Pressure

Elevated blood pressure increases your risk of chronic high blood pressure as you age. Taking steps to manage your blood pressure helps decrease this risk.

There are also some health conditions that increase your risks of chronic high blood pressure, including obesity and diabetes. Other causes include:

  • Genetics/family history
  • Lack of exercise
  • Alcohol or tobacco abuse

As adults age, their odds of high blood pressure increase, with 90% of Americans forecasted to develop high blood pressure in their lifetimes. Black people tend to develop high blood pressure more often and earlier in life compared to white people. Hispanics, Asians, American Indians, and Pacific Islanders also stand an increased risk of high blood pressure compared to other ethnicities.

Living With Low Blood Pressure

Learning to Take an Accurate Blood Pressure Reading

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 dont 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.

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What Are The Signs And Symptoms Of Low Blood Pressure

The symptoms of low blood pressure may include:

These symptoms can occur when doing nothing. They are more likely to occur when changing position, such as standing up or when straining on the toilet.

However, often there are no symptoms and low blood pressure is often only identified as a result of a routine medical examination or during the course of an investigation for some other condition or underling illness.

Low blood pressure may be more serious in elderly people who may have an underlying illness or who may be at risk of a fall.

Check your symptoms with healthdirects Symptom Checker to get advice on when to seek medical attention.

What Is Normal Blood Pressure According To Age

Blood pressure is the pressure of the blood within the arteries. It is produced primarily by the contraction of the heart muscle. Its measurement is recorded by two numbers. The first is measured after the heart contracts and is highest. The second is measured before the heart contracts and the lowest. A blood pressure cuff is used to measure the pressure. Elevation of blood pressure is called “hypertension“.

The chart shows normal blood pressure according to age both male and female. Diastolic blood pressure and Systolic Blood Pressure are included in the chart.

Normal Blood Pressure By Age

Age

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When To See Your Gp

You should see your GP if you have frequent symptoms of low blood pressure. Your GP can measure your blood pressure and help identify any underlying causes of the problem.

All adults should have their blood pressure checked at least every five years. If you haven’t had yours measured or don’t know what your reading is, ask your practice nurse or GP to check it.

Who Is At Risk Of Having Low Blood Pressure

Lower Blood Pressure Readings May Be Dangerous When Treating Hypertension

Low blood pressure typically isnt a problem for most adults. However, if your blood pressure drops suddenly or you experience symptoms, it may cause serious side effects. The U.S. National Library of Medicine indicates that a drop as little as 20 mmHg can cause problems.

So what causes your blood pressure to drop and when does it put you at risk? Minor and temporary things can affect blood pressure, like getting up too fast after sitting, standing for long periods of time, or dehydration. Similarly, certain health conditions are risk factors for hypotension, including:

  • Heart conditions
  • Serious trauma
  • Shock caused by blood loss

If you experience low blood pressure, youre at a higher risk for fainting and shock, which can require medical treatment if vital organs. Keep track of your blood pressure regularly so you get to know whats normal for you and what may be too low. A single measurement lower than normal isnt cause for alarm but if you experience other symptoms, talk to your doctor.

For more information about low blood pressure or to find a doctor, contact the UPMC Heart and Vascular Institute.

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What Is Low Blood Pressure/hypotension

Low blood pressure or hypotension is a condition where the systolic and diastolic pressure falls below 90 and 60 respectively. Blood pressure is usually measured in millimetres of mercury, and normal blood pressure is usually slightly less than 120/80 mm Hg.

To have low blood pressure is not always a concern however, chronic hypotension can cause a lack of blood flow to the brain, causing dizziness, blackouts or loss of consciousness, and may even be life-threatening in severe cases.

More often, low blood pressure is a symptom of a different concern, such as plaque build-up, a heart disorder or aging related medical conditions, making it necessary to pay attention to signs of low blood pressure in its initial stages.

Normal Blood Pressure For Men And Women By Age

A normal blood pressure reading indicates that the heart and blood vessels are not working too hard pushing blood and that the blood is not exerting too much pressure on the walls of the vessels, says Aseem Desai, M.D., a cardiologist at Providence Mission Hospital in Southern California. Recent data from the American Heart Association suggests the optimal normal reading for adults over 20 is lower than 120/80 mmHgVirani S, et al. Heart disease and stroke statistics 2021 update . American Heart Association Journal. 2021 143:e254-e743. .

Dr. Desai notes blood pressure can vary depending on a persons age, gender, race and ethnicity, but it should still fall within the general normal range. While numbers lower than 120/80 are generally considered normal, Dr. Desai adds, The target blood pressure for treatment varies depending on age and associated co-morbidities .

Previously, guidance for normal blood pressure for adults varied by gender and specific age, but new data states normal blood pressure for adults as a collective is less than 120/80 mmHgHigh Blood Pressure Symptoms and Causes. Centers for Disease Control and Prevention. Accessed 7/16/2021. .

When it comes to race and ethnicity, Dr. Desai says certain groups have a higher rate of hypertension. Non-Hispanic Black people have a significantly higher rate of hypertension compared to non-Hispanic white people, and Hispanics and non-Hispanic Asians have lower rates than the first two, he says.

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High Blood Pressure Symptoms

High blood pressure is known as the silent killer because it typically has no symptoms. In fact, most people dont even realize they have hypertension until their blood pressure is monitored.

Symptoms dont develop until the numbers get very high and organs get damaged, often irreversibly, says Dr. Desai.

If you have severe hypertension, you might notice the below symptoms, some of which were reported by patients in a study in the British Journal of General PracticeGoodhart A. Hypertension from the patients perspective. British Journal of General Practice. 2016 66:570. :

  • Headaches

What Is Considered A Low Blood Pressure Reading

Question #8. A Blood Pressure Chart Can Help Us Fi ...

What Is Considered A Low Blood Pressure Reading. Healthy and unhealthy blood pressure ranges. Within certain limits, the lower your blood pressure reading is, the better. Use our blood pressure chart to learn what your blood pressure levels and numbers mean, including normal blood pressure and the difference between understanding your results is key to controlling high blood pressure. Blood pressure can be categorized into five different types, namely: How low is too low for blood pressure?

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What Can I Do To Prevent Or Manage High Blood Pressure

Many people with high blood pressure can lower their blood pressure into a healthy range or keep their numbers in a healthy range by making lifestyle changes. Talk with your health care team about

  • Getting at least 150 minutes of physical activity each week
  • Not smoking
  • Managing stress

Learn more about ways to manage and prevent high blood pressure.

In addition to making positive lifestyle changes, some people with high blood pressure need to take medicine to manage their blood pressure. Learn more about medicines for high blood pressure.

Talk with your health care team right away if you think you have high blood pressure or if youve been told you have high blood pressure but do not have it under control.

Medication Used To Treat Low Blood Pressure

In cases of more severe or recurrent symptoms of low blood pressure, doctors may prescribe drugs to stabilize the system. These may include:

Fludrocortisone: It is a steroid that is prescribed when the body is unable to produce enough by itself, and is often prescribed in conjunction with other steroids such as hydrocortisone. It reduces inflammation in the body and causes the body to retain more sodium. It may cause some water retention, but this is not a cause for concern since it is necessary to build blood pressure. To maintain the sodium-potassium balance, a doctor might recommend consumption of potassium-rich foods such as apricot, bananas, spinach and broccoli while on this prescription. Once the effects of low blood pressure are no longer witnessed, you may be asked to discontinue the steroid, while maintaining lifestyle and diet changes.

Midodrine: A counter to blood vessel dilation, midodrine is a what is called a vasopressor and constricts small blood vessels to increase blood pressure. It is usually prescribed in cases of postural hypotension and the dosage is gradually increased over time to prevent side effects.

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