Biology, asked by Mokshakitty, 1 month ago

what experiment do you conduct to know the relationship between heart and pulse rate​

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Answered by santoshthore82
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Pulse rate

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Introduction

Pulse wave .jpg

Pulse/heart rate is the wave of blood in the artery created by contraction of the left ventricle during a cardiac cycle. The strength or amplitude of the pulse reflects the amount of blood ejected with myocardial contraction (stroke volume). Normal pulse rate range for an adult is between 60-100 beats per minute. A well-trained athlete may have a resting heart rate of 40 to 60 beats per minute, according to the American Heart Association (AHA).[1]

Types of Pulse rate

Peripheral pulses that can be felt at the periphery of the body by palpating an artery over a bony prominence. Examples are carotid, radial and popliteal pulses

Apical pulses which is a central pulse located on the apex of the heart that is monitored using a stethoscope.[2]

Factors that Influence Heart Rate

Age

Sex

Emotions/stress

Exercise

Medication[2]

How to Check Pulse

Pulse site

Temporal

Carotid

Brachial

Radial

Femoral

Popliteal

Dorsalis pedis[2]

It is easiest to take the pulse at the wrist. If you use the lower neck, be sure not to press too hard, and never press on the pulses on both sides of the lower neck at the same time to prevent blocking blood flow to the brain.

Pulse.jpg

When taking your pulse:

Using the first and second fingertips, press firmly but gently on the arteries until you feel a pulse.

Begin counting the pulse when the clock's second hand is on the 12.

Count your pulse for 60 seconds

When counting, do not watch the clock continuously, but concentrate on the beats of the pulse.

If unsure about your results, ask another person to count for you.

Parameters of Pulses

Rate: Number of pulsation which could be Bradycardia (<60/minute) or Tachycardia (>100/minute)

Rhythm: Time interval between pulse beats[2]

Bradycardia

Reduced pulse rate

Pulse Rate <60/min[3]

Indications of reduced pulse

Infection (e.g. myocarditis)

Complication of heart surgery

Hypothyroidism

Medication

Inflammatory diseases such as rheumatic fever[4]

Symptoms

Near-fainting or fainting (syncope)

Dizziness or lightheadedness

Fatigue

Shortness of breath

Chest pains

Confusion or memory problems

Easily tiring during physical activity

Types

There are two basic types of bradycardia:

Sick sinus syndrome is common in elderly but can occur at any age. It occurs when the sinus node (the heart's own pacemaker) fails and does not reliably trigger heartbeats.

Heart block is the interruption of the electrical impulses on their way to the ventricles and results in a slow. It can be partial or complete.

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Answered by sanjeevyadav32
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