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Blood pressure refers to the process of blood circulation against the walls of the blood vessels. This process helps the heart pump blood through the circulatory system, providing our body with the needed energy and oxygen.
- A blood pressure test is a routine health checkup that measures the pressure in the arteries as the heart pumps.
- Based on measurement, it is divided into two numbers: systolic and diastolic pressure.
- The frequency of blood pressure measurement depends upon the age and health of an individual.
- The ideal blood pressure range is between 90/60mmHg and 120/80mmHg.
- The blood pressure test is conducted using a device called a sphygmomanometer.
Your blood pressure is influenced by various factors, including your lifestyle, eating patterns, body mass index, and family history.
Key Terms: Blood Pressure Test, Blood Pressure, Hypertension, Hypotension, Systolic Pressure, Diastolic Blood Pressure, Arteries, Heart, Blood Vessels, Blood Pressure Measurement
Blood Pressure
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Blood pressure is the pressure exerted on the inner walls of the blood vessels when the heart pumps blood throughout our body. With every heartbeat, blood is forced to move into arteries, and pressure is generated during this process.
- During a blood pressure test, you'll notice two numbers.
- The first, known as systolic blood pressure, measures the pressure in your arteries when your heart beats, pushing blood out.
- The other number represents the diastolic pressure, which measures the pressure inside the artery when the heart is resting between beats.
- High blood pressure, also called hypertension, occurs when blood pressure levels rise above normal.
- On the other hand, low blood pressure or hypotension occurs when blood pressure levels fall below normal.
There are no significant symptoms of blood pressure, but it can give rise to many other disastrous diseases; most importantly, it can affect your heart. So, it becomes very important to keep your BP in control.
- However, the good news is that you can take control of your blood pressure.
- Regular blood pressure tests and continuous monitoring under the guidance of your doctor are key to maintaining a healthy blood pressure level.
Blood Pressure Test
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What is a Blood Pressure Test?
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A blood pressure test is a routine test that determines whether blood pressure is high or low. It is advised that people suffering from chronic health problems, such as high or low blood pressure or heart disease, have blood pressure tests more often.
- According to analysis, high blood pressure increases the risk of life-threatening conditions, including heart attack and stroke.
- It is a simple, quick and painless process which lasts for only a few seconds.
- During the test, the arm is squeezed while pressure is inflated.
- While calculating blood pressure manually, the doctor places a stethoscope over the major artery in the upper arm to listen to blood flow.
Aim
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The aim of the experiment is to study about the common method used for measuring the blood pressure of an individual.
Materials Required
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The materials required for blood pressure test include the following instruments:
- Blood pressure handcuff
- Stethoscope
- Digital blood pressure monitor or Sphygmomanometer
Procedure
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The following procedure is usually followed while checking the blood pressure of a person during the blood pressure test.
- The patient must be calm before the process.
- This step helps bring the heart rate as normal as possible to get the most accurate and unbiased results.
- The blood pressure cuff is then circled around the arms of the patient more accurately above the antecubital fossa.
- The next step is to analyse pulse sound through a stethoscope.
- Once the setting is completed, continue pressing the cuff bulb and carefully listen to the sounds of the pulse.
- The final step is to check and monitor the readings in the Sphygmomanometer.
- For systolic pressure, press the cuff until the pulse sound is properly heard.
- On the other hand, for diastolic pressure, expand the cuff unless the pulse sound vanishes.
Result
[Click Here for Sample Questions]To determine the result, measure the systolic and diastolic blood pressure and calculate the accurate blood pressure of the person.
Conclusions
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According to the data collected by the National Institutes of Health, the normal blood pressure of any healthy person lie in the range of 120 – 140 / 70 – 90 mm Hg, with pulse rate of 60 – 80 beats per minute.
The diastolic blood pressure range is tabulated as follows:
| Category of Person | Range of Blood Pressure |
|---|---|
| Normal | 80mm of Hg |
| Infants | 65mm of hg |
| Adults | 60 - 80 mm of Hg |
| Six to Nine | 65mm of Hg |
The systolic blood pressure range is tabulated as follows:
| Category of Person | Range of Blood Pressure |
|---|---|
| Normal | 120mm of Hg |
| Infants | 95mm of Hg |
| Adults | 90 - 120mm of Hg |
| Six to Nine | 100mm of Hg |
Blood Pressure Test
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Things to Remember
- A blood pressure test is used to measure the pressure in the arteries as the heart pumps blood.
- Normal blood pressure ranges from 90/60mmHg - 120/80mmHg
- A sphygmomanometer is used to measure blood pressure and is expressed in millimetres of mercury (mmHg).
- Hypertension and hypotension are the terms used for high and low blood pressure, respectively.
- Myocardial infarction is the other name for heart attack or heart stroke.
Sample Questions
Ques: Write a short note on high blood pressure and its types? (4 marks)
Ans: Sometimes also referred to as hypertension. The quantity of blood that is pumped by our heart to the degree of resistance the walls of arteries offer can be called blood pressure. Now imagine a condition where your heart is pumping more blood, and the arteries are getting narrower due to certain health conditions such as high cholesterol level, as a result of which the walls of arteries have to bear a lot of pressure, and this condition is termed as high blood pressure. There are 2 types of high BP.
- Primary high blood - when there is no significant cause of high blood pressure in the body, and it usually happens due to age factors or is sudden.
- Secondary high blood pressure - when there is some underlying disease that triggers the functioning of the heart and causes an elevation in blood pressure.
Ques: How does being overweight risk your heart? (3 marks)
Ans: Obese people generally go through symptoms of high blood pressure because when a person is overweight, his heart requires more blood and power to circulate necessary nutrients and oxygen to various parts of the body, as a result of which the rate of flow of blood through the vessels increases which subsequently increases the pressure in the walls of blood.
Ques: Describe a heart attack in your own words? (3 marks)
Ans: Heart stroke or heart attack is a condition when there is no blood supply in the heart. This can also be referred to as congestive heart failure. The condition usually arises if the cardiac muscles are stiff, weak, or damaged. Due to the thickening and hardening of the muscles of the heart, it gets very difficult for it to carry on with its routine functions like contraction and expansion of ventricular and atrium walls to receive inflows and outflows of blood, respectively.
Ques: What is blood pressure? (3 marks)
Ans: Blood pressure is the force created by the circulation of blood against arteries which is responsible for generating pressure on the walls of the heart known as blood pressure, in other words, the quantity of blood that is pumped by our heart to the degree of resistance the walls of arteries offer can be called as blood pressure.
- Further, Systolic blood pressure is created when the heart beats or the heart is actively pumping blood.
- In contrast, Diastolic blood pressure is created when the heart is in rest or still condition.
Ques: What is heart failure? (4 marks)
Ans: In this condition, the heart is unable to circulate and pump blood to the bodies and organs efficiently. A heart attack can also be called a myocardial infarction.
- Since the heart is not able to perform its function efficiently, it creates a deficiency of oxygen in tissues and a lack of oxygen supply to different organs.
- Heart failure is generally of two kinds.
- The first one is left heart failure, where the left ventricle and atrium fail to contract and expand its muscle, as a result of which there is a reverse flow of fluids in the lungs.
- The second kind is right heart failure, in which the deoxygenated blood from tissues enters back in the abdominal region.
Ques: Give reasons for dropping blood pressure in pregnant women? (3 marks)
Ans: During pregnancy, there is an expansion of the circulatory system. This happens because there is an increase in the demand for blood supply both by the pregnant woman and her baby. To fulfil this demand, the mother starts secreting a hormone called progesterone which relaxes the muscles and walls of the heart that results in more amount of blood flow through the tissues and ultimately decreases the blood pressure.
Ques: What is hypertension and hypotension? (2 marks)
Ans: In general, people understand hypotension as low blood pressure, whereas hypertension stands for high BP. Hypotension is an underlying disorder, but hypertension is a chronic health issue that can be a serious situation related to high blood pressure. In hypertension, the reading in the sphygmomanometer rises above 140/90 mm Hg, and in contrast, the reading falls below 90/60 mm Hg.
Ques: Why Blood Pressure Test Is Required? (3 marks)
Ans: There are many issues that you may face if you ignore the fluctuation in your blood pressure. Both high blood pressure and low blood pressure can lead to the deterioration of the health of a human being. Hypertension can cause damage to your arteries, eyes, heart, kidney, brain, causing severe diseases and effects in these body parts. Besides, hypotension may lead to fatigue, dizziness, depression, blurred vision. Hence, one must not ignore these situations and keep regular track of their BP.
Ques: What are the causes of high blood pressure? (3 marks)
Ans: Following are the Causes of High blood pressure:
- Nicotine or alcohol consumption
- Contraceptive pills
- Stress
- Abnormality in functions of kidney or diabetes
- Overweight or obesity
- Aging effect
- Rise in cholesterol level of blood
Ques: What are the causes of low blood pressure? (3 marks)
Ans: Following are the Causes of High blood pressure:
- Endocrine Hormones
- Pregnancy
- Dehydration
- Loss of blood
- Improper diet and consuming fewer nutrients-containing foods
Ques: What are the symptoms of high and low blood pressure? (4 marks)
Ans: Following are the Symptoms of High blood pressure:
- Fatigue
- Fainting
- Tiredness and restlessness
- Fever and cold
Following are the Symptoms of High blood pressure:
- Headache
- Chest pain
- Fatigue
- Normal to severe pain in one or both the shoulders and arms
- Sweat and perspiration
Ques: What are the steps performed in a blood pressure test? (4 marks)
Ans: The steps performed in a blood pressure test are as follows:
- First put your arm parallel with your heart, rest it on a table or other surface.
- Your doctor will cuff your arm with a blood pressure monitor. A blood pressure cuff is a tool that resembles a strap. The bottom border should be positioned slightly above your elbow and should fit securely around your upper arm.
- Your healthcare professional will use an automated instrument or a tiny hand pump to press a button to inflate the blood pressure cuff.
- Your healthcare professional will use an automatic equipment or a manual method to measure the pressure.
- In the event that the cuff is manually inflated and deflated, he or she will place a stethoscope over the main artery in your upper arm to listen to your pulse and blood flow.
Ques: What is the blood pressure measurement criteria for different age groups? (3 marks)
Ans: The blood pressure criteria for different age group are as follows:
- A blood pressure test should be performed at least every two to five years on adults (18 years of age and older) who have ideal blood pressure and no heart disease risk factors.
- A yearly blood pressure test should be performed on anyone 40 years of age or older, or younger if they have a higher risk of high blood pressure. A higher risk of high blood pressure is being Black and obese.
- Individuals with long-term medical issues, such as heart disease or hypertension, can require more frequent blood pressure checks.
Ques: What should I do if my BP is 140 /90? (2 marks)
Ans: If an individual has a BP of 140 /90, then it indicates a person is suffering from high BP. To treat high blood pressure, an individual must undergo the following changes: losing weight, decreasing salt intake in the diet, avoiding smoking and alcohol, regular exercise, a change in lifestyle, and medications.
Ques: How does blood pressure measurement work? (2 marks)
Ans: Blood pressure measurement device involves connecting cuff of device with pressure gauge. The cuff momentarily stops blood flow to that area of your arm when it tightens around it. You can determine the minimum and maximum pressure in an artery by loosening the cuff, which restarts your blood flow.
Ques: Answer: (A) Which fruit is good for low blood pressure?
(B) Is milk good for low BP? (2 marks)
Ans: (A) Fruits which are good for low blood pressure are as follows: bananas, apples, grapes, mangoes, apricots, mangoes, watermelon, tomatoes, pomegranate, berries, plums, prunes, avocado, and citrus fruit.
(B) It is advised to consume atleast two cups of milk a day to have low blood pressure. Milk helps in improving cardiovascular system. Dark chocolate also help in lowest systolic blood pressure.
Ques: What steps must be taken if a person suffers from high blood pressure? (2 marks)
Ans: Steps an individual must take while suffering from high blood pressure are as follows:
- Reduce the intake of sodium or salt in your diet.
- Try shifting to a healthy diet.
- Mediate or exercise on a regular basis.
- Avoid consumption of alcohol.
- Avoid tobacco and smoking.
- Manage your body weight.
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