Should a cuff be tight or loose?

Wrap the cuff around your arm so it’s snug but not too tight. As a rule of thumb, you should be able to slip one finger under the cuff.

Why am I getting different blood pressure readings?

Generally, a small difference in blood pressure readings between arms isn’t a health concern. However, a difference of more than 10 millimeters of mercury (mm Hg) for either your top number (systolic pressure) or bottom number (diastolic) may be a sign of blocked arteries in the arms, diabetes or other health problem.

Why do my blood pressure readings vary so much?

It’s normal for blood pressure to vary somewhat throughout the day. Stress, exercise, and sleep can all make a difference. But if your blood pressure often changes significantly from one healthcare visit to another, there may a problem.

Why does my blood pressure machine give different readings?

This is to account for normal variations between readings. Your BP fluctuates depending on the time of day and in response to many factors, such as body position, eating, and how recently you’ve been physically active. That means that, each time you check your BP, you can expect to see a slightly different result.

Does tightness of cuff affect blood pressure reading?

If the cuff you’re using doesn’t fit properly, it could squeeze your arm too tightly, causing your skin to fold over and pinch. Not only that, but an improper cuff fit could also lead to error codes on your blood pressure monitor or incorrect — often abnormally high — blood pressure readings.

Can too small blood pressure cuff give high reading?

Studies have shown that using too small of a blood pressure cuff can cause a patient’s systolic blood pressure measurement to increase 10 to 40 mmHg.

Is the first blood pressure reading accurate?

It’s ideal to measure your blood pressure twice a day for two weeks leading up to a doctor’s appointment, or following a change in medication. At each sitting, measure your blood pressure three times, but discard the first reading as it tends to be inaccurate.

Are electronic blood pressure cuffs accurate?

A digital blood pressure monitor will not be as accurate if your body is moving when you are using it. Also, an irregular heart rate will make the reading less accurate. However, digital monitors are the best choice for home use for most people.