Our blood pressure is measured by a blood pressure test over a long period, typically 24 hours. Your blood pressure will be monitored to determine when and during what activities unexpected fluctuations in blood pressure occur. Blood pressure Test is one topic in Biology and they carry a weightage of 2% in NEET and 3% in CBSE and other Paramedical Exams.
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Our blood pressure can be measured to see if it's normal, high, or low. Blood pressure is the amount of pressure your blood exerts as it travels through your body against the artery walls.
Although low blood pressure (hypotension) is not usually a problem, some persons may experience lightheadedness and dizziness as a result.
High blood pressure (hypertension) increases the risk of serious illnesses like heart attacks and strokes if left untreated. Take this quick test, which might potentially save your life.
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Most medical appointments include a routine blood pressure check. Screening for high blood pressure is a crucial component of general healthcare.
Blood pressure checks should be performed at least once every two to five years on adults aged 18 and older who have normal blood pressure and no risk factors for heart disease.
A blood pressure checkup should be done annually for everyone 40 years of age or older or younger if they have a higher risk of developing high blood pressure. Obesity and race are risk factors for high blood pressure.
People who suffer from long-term medical issues, such as high or low blood pressure or heart disease, may require more frequent blood pressure checks.
A blood pressure test often requires no extra preparation. However, the subsequent actions might offer the most precise measurement:
For 30 to 60 minutes prior to the test, refrain from using coffee, exercising, or smoking. These exercises raise heart rate and blood pressure.
Short sleeves will make it easier to wrap your arm over the blood pressure cuff.
Before the test, unwind on a chair for at least five minutes.
Inform your doctor about the medications you take. Blood pressure may be impacted by some medicines.
To measure blood pressure, millimetres of mercury is employed (mm Hg). Two figures are obtained while measuring blood pressure:
Systolic pressure, which is the top number, represents the force of the blood flow when the heart muscle contracts and pumps blood.
The pressure between heartbeats is represented by the bottom number (diastolic).
A sphygmomanometer. Sometimes referred to as a blood pressure monitor or blood pressure gauge measures blood pressure by utilising a mercury or aneroid manometer to determine the pressure and an inflated cuff to collapse and then regularly release the artery under the cuff. Manual sphygmomanometers and a stethoscope are used in the auscultatory approach.
Some Basic techniques are discussed below in the table:
Techniques | Explanation | Advantages | Disadvantages |
Auscultatory method |
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Oscillometric method |
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Digital Monitor |
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Aneroid Monitor |
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During exam preparation, different types of questions about the Blood Pressure Test are asked. The table below contains the different patterns of questions asked in different exams.
Exam Type | Types of Questions Asked | Weightage |
| 3% | |
| 2% | |
Paramedical |
| 5% |
It takes effort to remember everything in a single go. We made the entire problem easy. Some of the tricks regarding Blood Pressure Test are given below which you can use to memorise the important points.
Measurement Techniques "AMOU: Auscultatory, Manual, Oscillometric, Ultrasound"
A: Auscultatory Method (gold standard, uses stethoscope)
M: Manual Measurement (aneroid monitors, requires skill)
O: Oscillometric Technique (uses oscillations to estimate pressures)
U: Ultrasound Techniques (Doppler effect for blood flow analysis)
Blood Pressure Values "NGH: Normal, Guidelines, Hypertension"
N: Normal Range (120/80 mmHg)
G: Guidelines for Classification (prehypertension, stages of hypertension)
H: Hypertension Stages (mild, moderate, severe)
Factors Influencing Blood Pressure "COLD: Cardiac Output, Obesity, Lifestyle, Drugs"
C: Cardiac Output (heart rate and stroke volume impact)
O: Obesity (increased body mass raises pressure)
L: Lifestyle Factors (diet, exercise, stress levels)
D: Drugs (medications can raise or lower pressure)
Monitoring and Management "PAST: Pressure Assessment, Awareness, Self-Monitoring, Treatment"
P: Pressure Assessment (regular monitoring for accuracy)
A: Awareness of Readings (understanding one's values)
S: Self-monitoring (keeping a log of readings at home)
T: Treatment Strategies (lifestyle changes, medications)
Complications of Abnormal Blood Pressure "CHADS: Cardiovascular Disease, Heart Attack, Aneurysm, Death, Stroke"
C: Cardiovascular Disease (a risk factor for various conditions)
H: Heart Attack (hypertension can lead to heart issues)
A: Aneurysm (increased pressure can weaken blood vessel walls)
D: Death (extreme cases can be fatal)
S: Stroke (high blood pressure is a significant risk factor)
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The main blood vessel that flows through the upper arm is called the brachial artery. The brachial artery is blocked when a patient's upper arm is wrapped with a blood pressure cuff and inflated (i.e., blood flow through the artery is stopped). Blood flow restarts as the cuff is gradually deflated. A stethoscope can be used to hear the tapping or thumping sound this creates in the artery. The systolic pressure is indicated by the first of these audible tapping sounds.
The listening method previously mentioned is known as the auscultatory method. It is frequently referred to as the industry standard for measuring clinical blood pressure. But there are so many different factors at play. Using the right strategy is crucial.
The oscillometric method is a measurement method that relies on changes in the blood pressure cuff brought on by blood flow through the brachial artery. The blood pressure values are then determined by an algorithm that was developed empirically. Since it is less sensitive to outside noise, oscillometric blood pressure measurement is used by the majority of automated blood pressure monitors.
The blood pressure reading is expressed in millimetres of mercury (mmHg) and is stated as the sum of the systolic and diastolic pressures, which represent the force of the blood against the artery walls during each pulse. For instance, a blood pressure reading of 120/80 mmHg, also known as "120 over 80," is written. 120 is the systolic and 80 is the diastolic pressure.
Before getting a reading, wait 30 minutes and abstain from eating coffee, tobacco, and alcohol. Also, take a bladder break first. A full bladder may cause a slight rise in blood pressure. Before and during the monitoring, keep silent.
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