Wednesday, December 10, 2014

របៀបក្នុងការពិនិត្យមើលជីពចររបស់អ្នក (How To Check Your Pulse)

A person checking their pulse
ជីពចររបស់យើង - ល្បឿន និង  ចង្វាក់ជីពចរ ឬ ល្បឿន និង  ចង្វាក់បេះដូងរបស់យើងអាច លឿន ឬ យឺតអាស្រ័យទៅលើការកន្រ្តាក់នៃ បេះដូងរបស់យើងក្នុងមួយនាទី ឬ អាស្រ័យទៅលើពេលវេលាជាក់លាក់មួយ - ចំនួនលើក ឬ ដងនៃការកន្ត្រាក់នោះ បានកើតឡើងនៅក្នុងបន្លប់ទាំង ២ ស្ថឹតនៅផ្នែកខាងក្រោមនៃបេះដូង  

ភាពខុសគ្នារវាងជីពចរ និង អាត្រាបេះដូង (សំដៅទៅលើចំនួន "ដង" នៃការកន្រ្តាក់របស់បេះដូង) : អត្រាបេះដូង គឺ សំដៅទៅលើបេះដូង - តើបេះដូងបានកន្រ្តាក់ប៉ុន្មានដងនៅក្នុងពេលវេលានោះ ។ អត្រាជីពចរ គឺ សំដៅទៅលើសរសៃឈាមដែលយើងកំពុងស្ទាបដោយម្រាមដៃ - តើស សៃរឈាមនោះប៉ោងឡើងប៉ុន្មានដង ខណៈមានការជម្រុញពីសម្ពាធនៃលំហូរឈាម ។

អត្រាបេះដូងធម្មតា (គិតជាដងក្នុងមួយនាទី៑ Beat Per Minute):

  • ទារកទើបកើត (ចាប់ពី ០ ទៅ ៣ ខែ) - ១០០ ទៅ ១៥០ 
  • ទារក (ចាប់ពី៣ ទៅ ៦ ខែ) - ៩០ ទៅ ១២០
  • ទារក (ចាប់ពី៦ ទៅ ១២ ខែ) - ៨០ ទៅ ១២០
  • កុមារ (ចាប់ពី ១ ឆ្នាំ ទៅទល់ ១០ ឆ្នាំ) ៧០ ទៅ ១៣០
  • បុគ្គលចាប់ពីអាយុ ១០ ឆ្នាំឡើងទៅ - ៦០ ដល់ ១០០
  • អត្តពលិកពេញវ័យ - ៤០ ទៅ ៦០


  • ទារកទើបកើត (ចាប់ពី០ ទៅ ១ ខែ) - ១២០ ដល់ ១៦០
  • ទារក (ចាប់ពី១ ទៅ ១២ ខែ) - ៨០ ទៅ ១៤០
  • ទារក / កុមារ (ចាប់ពី១ ទៅ ២ ឆ្នាំ) - ៨០ ទៅ ១៣០
  • កុមារ (ចាប់ពី ២ ឆ្នាំដល់ ៦ ឆ្នាំ) - ៧៥ ទៅ ១២០
  • កុមារ (ចាប់ពី ៧ ឆ្នាំ ទៅ ១២ ឆ្នាំ) - ៧៥ ដល់ ១១០
  • មនុស្សពេញវ័យមានអាយុពី (១៨ ឆ្នាំឡើងទៅ) - ៦០ ដល់ ១០០
  • អត្តពលិកពេញវ័យ - ៤០ ទៅ ៦០

Your pulse, pulse rate or heart rate refer to how many times your heart beats per minute or a specific unit of time - how many contractions occur in the heart's ventricles (the lower chambers of the heart).

What is the difference between your pulse and your heart rate?
  • Heart rate refers to the heart, how many times it contracts in a given time.
  • Pulse (pulse rate) refers to the artery you are checking with your finger(s), how many times it bulges when there is a gush surge.
The figure for heart rate and pulse rate is the nearly always same (except in certain medical conditions), because a bulge in the artery is caused by the heart contracting and pushing blood out.

A person's heart rate varies depending on what they are doing - it is slower when they are sleeping and faster when exercising.

Finding your pulse

Your pulse can be found where an artery passes close to the skin, such as your neck or wrist.

How to find your pulse in your wrist

  • Hold one of your hands out with the palm facing upwards and the elbow slightly bent

  • Place your index (first) and middle fingers of your other hand on the inside of your wrist, just below the base of your thumb

  • Press the two fingers lightly on your skin until you feel your pulse

  • If you feel nothing, either press harder or search with your fingers for the artery and press again

  • Do not press your thumb on your wrist because it has its own pulse, an artery goes through it
Count how many beats there are over a 20-second period and then multiply the total by 3, which will give you your heart rate (per minute). Some people prefer to continue for thirty seconds and then multiply by 2 or to count for a whole minute for better accuracy

Your resting rate - this is your heartbeat (per minute) after you have been resting (sitting or lying still) for ten minutes.

Finding your pulse on your neck (carotid artery)

You can also find your pulse by pressing the same two fingers on the side of your neck (carotid artery), beside your Adam's apple in the hollow area. If you are over 65 be careful you do not press too hard; there is a risk of becoming lightheaded.

Other ways of checking your pulse
  • The popliteal artery - behind the knee
  • The abdominal aorta - over the abdomen
  • The apex of the heart - can be felt if you place your hand/fingers on your chest
  • The basilar artery - close to the ear
  • The brachial artery - inside the elbow or under the biceps
  • The dorsalis pedis - the middle of dorsum of the foot (the back, or upper surface, of the foot)
  • The femoral artery - in the groin
  • The posterior tibial artery - the ankle joint
  • The superficial temporal artery - the temple

Using a heart rate monitor

There are several personal monitoring devices, known as heart rate monitors or pulsometers, that allow you to measure your heart rate in real time. Some of them even record your heart rate for later study.

Heart rate monitors, for personal use, are popular among athlete's and people who exercise regularly. A growing number of people buy them to check their resting heart rates at home, instead of pressing their fingers on an artery to check their pulse rate.

There are two popular types of heart rate monitors:
  • A chest strap and watch - consists of two parts. You place the watch around your wrist and a strap around your chest.

  • Strapless heart rate monitor - the device goes around your wrist, part of the back of your hand, and your index finger.

Finding and measuring another person's pulse

Make sure the person is resting - seated with their back supported and feet on the floor, or lying down.

Stand facing the person and ask them to extend their arm toward you or take their hand, pull gently and stretch the arm toward you, with their palm facing upward. Then follow the same procedures explained above for when you take your own pulse.

If the person is injured or unconscious, you need to learn about first aid, read this article "What is First AID? What is The Recovery Position?"

What is a normal resting pulse rate (heart rate)?

For a healthy human being, aged at least 18 years, anything between 60 and 100 beats per minutes is usually considered as a normal resting heart rate.

Fit people tend to have a slower heart rate than unfit individuals. Some Olympic athletes have been known to have a resting heart rate of 40 bmp (beats per minute). In fact, a resting heart rate of 29 bpm was once recorded with Miguel Indurain, a champion cyclist.

The following are ideal normal heart rates in bpm:
    According to the National Institutes of Health, USA

  • Newborns (0 to 3 months) - 100 to 150
  • Infants (3 to 6 months) - 90 to 120
  • Infants (6 to 12 months) - 80 to 120
  • Children (1 to 10 years) - 70 to 130
  • People over 10 years - 60 to 100
  • Well trained adult athletes - 40 to 60

  • According to the National Health Service, UK

  • Newborns (0 to 1 month) - 120 to 160
  • Infants (1 to 12 months) - 80 to 140
  • Babies/toddlers (1 to 2 years) - 80 to 130
  • Toddlers/young children (2 to 6 years) - 75 to 120
  • Children (7 to 12 years) - 75 to 110
  • Adults aged (18+ years) - 60 to 100
  • Adult athletes - 40 to 60
  • UK data may vary depending on which health authority you access

Why should your pulse be checked?

People may check their pulse for many reasons:
  • Curiosity - you may simply want to know what your heart rate is, perhaps during/after a conversation your friends talked about their heart rates.

  • During a medical visit - when doctors carry out a physical exam, they often check the patient's heart rate.

  • To check your heart - in any emergency situation, a person's heart rate can help determine whether the heart is pumping blood properly

  • After an injury - to check for blood flow

  • To check a medication's effect - if a patient is taking medication to slow the heart, such as beta-blockers, the doctor may ask them to check their pulse every day

  • To check your fitness - you may wish to check your pulse rate during moments of physical exercise. For this you should wear a heart rate monitor. Some exercise machines have heart rate monitors you hold on to with your hands. Serious athletes also check how long it takes for their heart rate to return to normal after physical exertion.

If your pulse feels irregular

Some people may find that their pulse is irregular - during the 20, 30 or 60 seconds when they feel their pulse, the beats do not follow a steady beat. If your pulse feels irregular you should contact your doctor because you might haveatrial fibrillation (AF), the leading cause of stroke in North America and Western Europe (see the video below).

Written by Christian Nordqvist

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