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How Many Tubes for the Replacement Blood Pressure Cuff For My Blood Pressure Machine?

by Barbara 5. August 2013 11:01

Question: How do I know which blood pressure cuff to get to match my blood pressure monitor?

Q: "Which cuff do I buy? One tube or two tube? Thanks. Jim."

Answer: This is the chart you need to follow:

  • One tube: for automatic blood pressure monitors
  • Two tubes: for manual inflation blood pressure monitors. You need one tube to connect to the inflation bulb.
  • Three tubes: for manual inflation blood pressure monitors that have an attached stethoscope.

Remember that some blood pressure machines require adapters to handle cuffs larger than or smaller than the one that came with the machine.

Also, you need to choose between D ring cuffs and those that do not have the D-ring tighteners. Measure your arm carefully with a tape measure. Too large of a cuff won't pressurize properly, too small will read incorrectly. Choose between latex and latex-free cuffs. Also remember that cuffs are sometimes sold without the internal bladder.

Thigh cuffs are not made for the majority of automatic machines.

Many cuffs are latex-free.

Replacement blood pressure cuff page on gives you a list of many options.

Thanks for your questions.




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blood pressure cuff | blood pressure monitor

Automatic Blood Pressure Monitors with Irregular Heart Beat Indicator and JNC7 Bar Indicator for Blood Pressure

by Barbara 12. February 2012 13:21

Question about automatic blood pressure monitors that show an irregular heart beat has occurred.

Q: " Which blood pressure monitors give indications of an irregular heart beat? My mother was told she has this problem. I want to keep track of my blood pressure and know if or when I have it, too. Thanks. Lily."

Answer: The definition of an irregular heartbeat or arrhythmia is a heartbeat that varies by 25% from the average of all heartbeat intervals during a blood pressure measurement. According to WebMD, "arrhythmias may be caused by many different factors, including:

  • Coronary artery disease.
  • Electrolyte imbalances in your blood (such as sodium or potassium).
  • Changes in your heart muscle.
  • Injury from a heart attack.
  • Healing process after heart surgery.

Irregular heart rhythms can also occur in "normal, healthy" hearts." And there are no symptoms in those situations.

"A normal heart rate is 50 to 100 beats per minute. Arrhythmias and abnormal heart rates don't necessarily occur together. Arrhythmias can occur with a normal heart rate, or with heart rates that are slow (called bradyarrhythmias -- less than 50 beats per minute). Arrhythmias can also occur with rapid heart rates (called tachyarrhythmias -- faster than 100 beats per minute). In the United States, more than 850,000 people are hospitalized for an arrhythmia each year.refrain from talking during measurements. arrhythmia can be silent and not cause any symptoms. A doctor can detect an irregular heartbeat during a physical exam by taking your pulse or through an electrocardiogram (ECG)." from WebMD.

The majority of newer automatic blood pressure monitors have an Irregular Heartbeat symbol appear in the digital display window in the event an Irregular Heartbeat has occurred during measurement. An irregular heartbeat is defined as a heartbeat that varies by 25% from the average of all heartbeat intervals during the blood pressure measurement.

The blood pressure monitors below also use an bar indicator advocated by the The Seventh Report of the Joint National Committee on Prevention, Evaluation and Treatment of High Blood Pressure for Adults. National Heart, Lung and Blood Institute - May 2003. This is a feature which provides a snapshot of your blood pressure classification based on your measurements. This will let you quickly know what your blood pressure readings mean. Each segment of the bar indicator corresponds normal, prehypertensive, hypertensive 1 or hypertensive 2.The Systolic reading is first and the diastolic reading is second.

  • Normal less than 120 and less than 80
  • Prehypertension 120-139 or 80-89
  • Stage 1 Hypertension 140-159 or 90-99
  • Stage 2 Hypertension 160 or 100

When taking your blood pressure or when your nurse or physician takes it, you should relax, remain still and refrain from talking. (My doctor's nurse always wants me to answer questions, maybe that is one reason why my bp is always higher in their office?, White collar bp syndrome!)

Keys to Successful Monitoring: Blood pressure fluctuates throughout the day. We recommend that you are consistent in your daily measurement routine:
• Measure at the same time every day.
• Sit in the same chair/position.
• Do not cross legs and keep your feet flat on the floor.
• Relax for 5 minutes before measurement.
• Use the correct cuff size to get an accurate reading.
• Sit still during measurement – no talking, eating or sudden
• Record your measurement in a logbook.

Here are some blood pressure monitors we currently sell that have the irregular heart beat symbol in the display:

The models change every year or so.

I hope I have answered your questions.



Automatic Blood Pressure Monitor with Thigh Cuff for Partially Paralyzed Woman

by Barbara 7. April 2011 11:08

Question about blood pressure monitors with thigh cuffs.

Q: "I am paralyzed on one side. My physician advised me to get a blood pressure monitor that I can use on my thigh. Is there such a thing? I am a slender woman. I know I cannot manage a manual inflation blood pressure monitor that requires use of a stethoscope. Please help. Mary"

Answer: Lifesource recently introduced a unit that will meet your needs.The Lifesource XL Arm/Thigh Automatic BP Monitor

The UA-789AC Digital Automatic  Blood Pressure Monitor has an Extra Large Arm Cuff for Arms 16.5 to 23.6 Inches (42 to 60 cm.) or Thigh Blood Pressure Measurements. Since you describe yourself as slender, I suggest you have someone measure your thigh circumference. Also have your physician mark exactly where the cuff should be placed.

The LifeSource Blood Pressure model UA-789AC is a home blood pressure monitor that accommodates consumers with larger sized arms. The cuff is coupled with a high speed motor for a fast and comfortable reading. It is also equipped with Irregular Heartbeat Detection, which provides blood pressure and pulse rate measurements even when an Irregular Heartbeat occurs, and HeartWise Technology which measures blood pressure on inflation while filtering out ambient noise on deflation. With an extra display, large buttons for easy operation and AC Power Adapter, this monitor offers speed, reliability and convenience to an untapped market segment.

Features of the Lifesource Blood Pressure Monitor UA-789AC:

  • Accu Fit Extra Large Cuff fits arms ranging from 16.5" - 23.6" (42-60cm).
  • High Performance Monitor.
  • Irregular Heartbeat Detection.
  • 60 Memory Recall.
  • Illuminated Start Button.
  • Extra-Large 16.5 - 23.6 inch cuff.
  • Professional accuracy at home.
  • New pressure rating indicator visually indicates user's blood pressure category.
  • Simple and quiet one button operation.
  • HeartWise Technology enables a faster, more comfortable blood pressure measurement with the same clinical accuracy you receive in a doctor's office.
  • Fast measurement.
  • Provides blood pressure and pulse rate measurements even when an Irregular Heartbeat occurs.
  • Simultaneous readout of systolic/diastolic pressure and pulse rate.
  • Memory stores last 60 blood pressure and pulse rate measurements in memory.
  • Time and date shown with readings.
  • Large, easy to read 20mm digital display.
  • Large-print instruction guide with illustrations and quick start card in English, French and Spanish.
  • Four week blood pressure logbook included.
  • Latex free.
  • Operates on 4 AA batteries (not included) or AC adapter (included).
  • Lifetime warranty from manufacturer.

I hope this solves your problem. Thank you for your question.



Are All Brands of Arm Blood Pressure Cuffs Sized the Same? How Do I Get the Right Size for Me?

by Barbara 16. August 2009 05:56

Question about blood pressure sizing for major blood pressure monitor brands such as Omron,MDF Instruments, Lumiscope, etc.

Q: "How are blood pressure cuffs sized? I see them advertised for adult and large adult arms, etc. but rarely do you see what that means.  I am looking for an arm blood pressure monitor that will fit an arm that is 16 inches around. I also would like to be able to take my 12 year old daughter's blood pressure. I could purchase an automatic unit or a manual inflation unit as I have a stethoscope. Can you help me with the sizes of the cuffs? Thanks. Robert"

Answer:  If you've measured correctly, your arm fits in the large adult size cuff for most brands. Your choices: buy a monitor with the correct sized cuff or choose the correct sized cuff and then match to a monitor, your best choice if you choose to go with a manual blood pressure monitor.

Your question is one that we've been asked many times. Each manufacturer's cuff sizes are slighly different.  Except for the manual blood pressure cuffs, it's best to match brands, i.e. buy a cuff that is the same brand as your monitor.  With manual cuffs, there are single tube and double tube models. Also changing cuff sizes with most monitors means changing the pressure connector on the cuff tubing. Also, no "home" automatic inflation monitors can be adapted to newborn, infant or child blood pressure cuffs. Thigh cuffs are also limited to manual inflation blood pressure monitors. LifeSource is the only manufacturer we know who has an automatic inflation blood pressure monitor for bariatric sized arms, i.e.16.5 to 23.5 inches.

Below are some examples.

Lumiscope and Labstar (the Graham Fields Brand Deluxe Sphygmomanometers) have only manual inflation units for Newborn, Infant and Child cuffs.

  • Newborn 2.75 to 5.25 Inches
  • Infant 5 to 7.5 Inches
  • Child 7 to 10.5 Inches
  • Adult 9.5 to 15 Inches
  • Large Adult 13 to 19 Inches
  • Thigh 17 to 26 Inches


  • Adult 9 to 13 Inches
  • Large Adult 13 to 17 Inches
  • Combination Cuff 9 to 17 Inches

LifeSource (AND Engineering)

  • Medium: 9.4 x 14.2 Inches
  • Large: 14.2 x 17.7 Inches
  • Extra Large: 16.5 x 23.6 Inches

MDF Instruments: Blood Pressure Monitors are Not Included, Just the cuff

We recommend that before choosing a blood pressure monitor you first decide if you want an automatic or a manual monitor. Then carefully measure the arm of the person to be monitored. To properly measure an arm for a blood pressure cuff, use a dressmaker's measuring tape. The cuff is placed with the sensor over the pulse on the underside of your elbow. So measure that circumference first. Next measure around the middle of the upper part of your arm, at the midpoint. The second measurement generally decides the cuff size. The exception is a very muscular man or woman: for them a wrist monitor may be a better choice since the blood pressure cuff may not be able to be properly tightened.

Thank you for your question. Let us know if we can help further.

Sincerely, Barbara

Which Blood Pressure Monitor for a Low Vision Person?

by Barbara 20. June 2008 09:23

Question about the product: Lumiscope 1100 Manual Inflate Blood Pressure Monitor.

Q: "I am thinking about buying this unit for my mother who has low vision. So the display area has to be large. Can you tell me how large the numbers are on the display? Also the pumping bulb has to be easy to pump. Our doctor says the manual ones are most accurate."-LAURA

Answer: The Lumiscope 1100 is a manual inflate blood pressure monitor with a digital read-out. This is called a semi-automatic blood pressure monitor because it requires inflation using a pump up bulb. Some people like being in control of the inflation level. The bulbs don't require a lot of force to inflate but have to be squeezed quickly many times to inflate above the person's anticipated blood pressure level. The bulbs last several years or more and then can be replaced for under $15 plus shipping.

The newer blood pressure monitors made in the past 4 or 5 years all have features that limit the amount of inflation and/or learn how much inflation is needed based upon the last user's level.

We do sell manual blood pressure monitors with or without attached stethoscopes. The manual blood pressure monitors used in physician's offices are professional models and are used by trained medical professionals. Taking your own blood pressure using a stethoscope and a manual blood pressure monitor takes practice and training. If you mom is well coordinated and has a teacher, she can learn to take blood pressure using a manual unit.

Most manual units do not have large numbers on the display. If your mom has low vision, I suggest that you either choose a unit with a large display or choose one of the talking blood pressure monitors. The automatic units are quite accurate these days. If you use the monitor properly, which means the proper sized arm or wrist cuff and sitting in the proper position, the readings will be quite accurate.

The Lumiscope 1145 automatic wrist blood pressure monitor and the Oregon Scientific BPW810 automatic wrist blood pressure monitor both feature multiple memories (60 per user or 120 total) and large numeric displays. If your physician wants a log of readings, your mom can display the readings along with the date and time when they were taken. Wrist units fit almost everyone unless they have a wrestler's size wrist or are extremely petite.

The arm units all require that the arm be measured so that the proper arm cuff is ordered or that the person purchase a unit that either comes with several arm cuffs or has an arm cuff that fits small to large arms.

So, please make sure you measure your mom's arm with a cloth or plastic tape measure before you purchase any arm blood pressure monitor. And do the same if her wrist is tiny or very large and you plan to buy a wrist cuff model.

Hope this helps with your decision.