Why is the first blood pressure reading always the highest?

Your first blood pressure reading will almost always be higher than the second due to a wide range of factors, both environmental and psychological. These factors include white coat syndrome, stress, and having a full bladder.


Which BP reading is more accurate first or second?

Take Second (and Maybe Third) BP Readings in Routine Follow-Up for Hypertension. In a third of patients with elevated blood pressures on initial readings, second readings were lower than 140/90 mm Hg.

Should you disregard the first blood pressure reading?

Ignore the first day's readings altogether, because they might not be accurate as you're not familiar with your monitor yet. At the end of the week you will have a useful picture of what your blood pressure is normally like.


Which blood pressure reading is most accurate first second or third?

At each sitting, measure your blood pressure three times, but discard the first reading as it tends to be inaccurate. Write down the average of the second and third reading. Bringing your latest readings to an appointment helps give your doctor a good idea of what your blood pressure is outside of the office.

Why is second BP reading lower?

Systolic pressure (the first number in a blood pressure reading) measures the force with which the heart pumps blood into the arteries. Diastolic pressure (the second, lower number) reflects the pressure in the arteries when the heart rests between beats.


Should you take multiple Blood Pressure readings? How many BP readings are required?



Why do I get a different blood pressure readings within minutes?

Everyone's blood pressure rises and falls many times during the course of a single day, sometimes even within minutes. Many factors contribute to these changes, including physical activity, emotion, body position, diet (especially salt and alcohol intake), and sleep deprivation.

Is it normal to have 2 different blood pressure readings?

Answer From Rekha Mankad, M.D. Generally, a small difference in blood pressure readings between arms isn't a concern. But a difference of more than 10 millimeters of mercury (mm Hg) might cause worry. The difference can be in the top number, known as systolic pressure.

What time of day do you get the most accurate blood pressure reading?

Getting into the habit of checking your blood pressure in the morning and again before bed is generally the best practice. For the A.M. reading, don't take it immediately when you wake up; however, you should measure before breakfast or your morning coffee.


Why are my 3 blood pressure readings so different?

It's actually quite normal. A difference of more than 10 points, though, could suggest trouble. In younger people, side-to-side differences in blood pressure can occur when a muscle or something else compresses an artery supplying the arm, or by a structural problem that prevents smooth blood flow through an artery.

When taking blood pressure which number is more important top or bottom?

Q. When I am monitoring my blood pressure, which number is most important — top, bottom, or both? A. While both numbers in a blood pressure reading are essential for diagnosing and treating high blood pressure, doctors primarily focus on the top number, also known as systolic pressure.

How long do you have to wait to take a second blood pressure reading?

Wait 1 to 3 minutes after the first reading, and then take another. If your monitor doesn't keep track of blood pressure readings or heart rates, write them down.


Can I take my blood pressure multiple times in a row?

In the American Heart Association BP measurement guideline [12], the following statement was described without any citation: 'three readings should be taken in succession, separated by at least 1 min. The first is typically the highest, and the average should be used as the blood pressure reading.

Is blood pressure higher when you first get up?

Usually, blood pressure starts to rise a few hours before a person wakes up. It continues to rise during the day, peaking in midday. Blood pressure typically drops in the late afternoon and evening. Blood pressure is usually lower at night while sleeping.

Can a tight blood pressure cuff cause a high reading?

Blood Pressure Cuff Placement

If the cuff is too small, it can add 2 to 10 points to your bp measurement. Be sure to roll up your sleeve for a blood pressure test and also let your doctor know if the cuff feels too tight around your arm.


Why is first BP reading higher than the second reading?

Your first blood pressure reading will almost always be higher than the second due to a wide range of factors, both environmental and psychological. These factors include white coat syndrome, stress, and having a full bladder.

What can cause a false high blood pressure reading?

Acute meal ingestion, caffeine or nicotine use can all affect BP readings, leading to errors in measurement accuracy. If the patient has a full bladder, that can lead to an error in systolic BP of up to 33 mm Hg, and the white-coat effect can have an error of up to 26 mm Hg.

How accurate are home blood pressure machines?

But home blood pressure monitors aren't always as accurate as they should be. "Home blood pressure monitors may be inaccurate in 5% to 15% of patients, depending on the threshold for accuracy used," according to Dr.


How do you relax before taking blood pressure?

There are ways to relax during a home or even in-office blood pressure test so you can get a good reading.
  1. Time it well. Timing is important when it comes to taking blood pressure. ...
  2. Go to the bathroom. ...
  3. Wait for a few minutes. ...
  4. Check your breathing. ...
  5. Visualize. ...
  6. Make small talk. ...
  7. Keep practicing. ...
  8. Live a healthy lifestyle.


Can drinking water lower blood pressure?

Something as simple as keeping yourself hydrated by drinking six to eight glasses of water every day improves blood pressure. Water makes up 73% of the human heart,¹ so no other liquid is better at controlling blood pressure.

What is stroke level blood pressure?

Call 911 or emergency medical services if your blood pressure is 180/120 mm Hg or greater and you have chest pain, shortness of breath, or symptoms of stroke. Stroke symptoms include numbness or tingling, trouble speaking, or changes in vision.


Which arm is more accurate for blood pressure?

The sensitivity for the detection of hypertension was 90.6% when BP was measured only at right arm, and 83.4% when measured only at left arm. Corresponding sensitivity were 87.9% and 87.1% in men, and 95.4% and 76.9% in women.

Which arm usually has higher blood pressure?

Higher pressures are more frequent in the right arm and range in most individuals from 10 to 20 mmHg or greater in systole, and to a similar extent but less often in diastole. A BP difference between the left and right arms—even when large—is statistically a normal variant and need not necessarily cause concern.

Can blood pressure change every few minutes?

Most healthy individuals have variations in their blood pressure — from minute to minute and hour to hour. These fluctuations generally happen within a normal range. But when blood pressure regularly spikes higher than normal, it's a sign that something isn't right.


Why is my blood pressure higher when I first get up in the morning?

Blood pressure fluctuates throughout the day and night. It naturally increases in the hours around waking. However, abnormally high blood pressure readings in the morning can indicate that a person is at increased risk of cardiovascular events.

Can anxiety cause high blood pressure?

Anxiety doesn't cause long-term high blood pressure (hypertension). But episodes of anxiety can cause dramatic, temporary spikes in blood pressure.