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🏥 | Kyoto, died during accommodation medical treatment without oxygen administration due to misreading of numerical values


Photo Pulse oximeter used in accommodation facilities in Kyoto Prefecture

Kyoto died during accommodation medical treatment without oxygen administration due to misreading of numerical values

 
If you write the contents roughly
The man had been sending the measurement results of the meter multiple times as images since dawn on the 25th, but the nurse misread the pulse rate and oxygen concentration.
 

On the 8th, Kyoto Prefecture was infected with the new coronavirus, and about a man in his 60s who died while staying at a hotel, blood oxygen ... → Continue reading

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Wikipedia related words

If there is no explanation, there is no corresponding item on Wikipedia.

Heart rate

Heart rate(Shinpakusu,English: heart rate) is a constantTimeWithin心 臓 BeatThe number of times to do.Usually the number of beats per minute (bpm,beats per minute).Also, when the heart pumps blood,arteryBecause a pulsation occurs inPulse rate(Myakuhakusu) or simplypulseThat.

Overview

With normal heart soundsStethoscope

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Toddler heartbeat

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Resting heart rate(Heart rate when resting) isA humanIn the case of, about 60 to 70 for men and about 65 to 75 for women.interestWhen you inhale, the pulse becomes faster, and when you exhale, the pulse becomes slower, which is physiological.[1].

Maximum heart rate(Limited heart rate when the heart beats fastest) tends to decrease as the age increases, and is generally about "220-age" for adults and "215" for the elderly and weak people. -It is said to be the number of ages.

According to a study by Jay W. Mason et al., Resting heart rate by age and genderMedianIs as follows[2][3].

ageMaleFemale
0 - 98386
10 - 197071
20 - 296369
30 - 396669
40 - 496769
50 - 596868
60 - 696768
70 - 796366
80 - 896165
90 - 995968

Abnormal resting heart rate

There are two types of abnormal resting heart rate: the resting heart rate is too high or too low.Generally, a resting heart rate of over 100Tachycardia, Below 60BradycardiaCalled.It should be noted that heart rate and pulse rate do not always match in the presence of pulse deficiency or arrhythmia.But in most cases they are in agreement.

Tachycardia

The differential disease suspected by tachycardia is blood disease (anemia), Mental illness (tension,stress, Hidden, anxiety), metabolic disease (hyperthyroidism,Dehydration), Fever, respiratory illness (hypoxia), heart illness (tachyarrhythmia group,heart failure,Myocarditis: Bradycardia is also present) and so on.

Bradycardia

There are various differential diseases suspected of bradycardia.Athletic heart, bradycardia, hypothyroidism, hypothermia, atrioventricular block, increased intracranial pressure,jaundice, Adams-Stokes syndrome, etc., but less than 1 times a minute does not mean that it is immediately morbid and requires careful judgment.Endurance-trained athletes tend to have lower resting heart rates, some 60-1 times per minute. Uth–Sørensen–Overgaard–Pedersen Estimates with resting heart rateMaximum oxygen uptake TheInverse proportionalThere is a relationship of.

Measurement method

On the chestelectrodeAttachElectrocardiograph(ECG[Annotation 1]) Is used to measure and calculate the time interval from the QRS complex peak to the next peak on the electrocardiogram.

As a simple method, it exists on the outside (radial side) of the wrist.Radial arteryThere is a method of counting by touching the index finger, middle finger, and ring finger to feel the pulse.You can count the number of times while measuring 1 minute with a clock, but it is quick to measure it in 20 seconds and triple it.However, it should be noted that pulse = effective heart rate and electrical heart rate do not always match (especially in the case of tachyarrhythmia, there is ineffective heart rate), and auscultation of the chest is required to measure the mechanical heart rate itself. Is more reliable.

KinectIs equipped with a function that can measure the heart rate without contact by irradiating the human body with an infrared pattern and analyzing the infrared image obtained.

Sports and heart rate

Exercise intensity

aerobic exercise OfExercise intensityIs usually expressed in heart rate.The following two methods are often used.

Expression by maximum heart rate (MHR)

It is simply expressed as what percentage of the maximum heart rate the heart rate is MHR.

Exercise intensity (% MHR) = heart rate ÷ maximum heart rate x 100

(Example) If a person with a maximum heart rate of 190 is exercising and has a heart rate of 152,

Exercise intensity (% MHR) = 152 ÷ 190 x 100 = 80% MHR

Preliminary heart rate representation (HRR)

Use the difference between the resting heart rate and the maximum heart rate (preliminary heart rate, Heart Rate Reserved).Set the resting heart rate to 0% and the maximum heart rate to 100%, and quantify the intensity of exercise with the following formula.

Exercise intensity (% HRR) = (heart rate-resting heart rate) ÷ (maximum heart rate-resting heart rate) x 100

(例)安静時の心拍数が60、年齢30歳の場合、計算上の最大心拍数は220-30=190となるので、心拍数60の時が運動強度0%HRR、心拍数190の時が運動強度100%HRRであり、心拍数125の時、

Exercise intensity (% HRR) = (125-60) ÷ (190-60) x 100 = 50% HRR

Numbers in oriental medicine

In oriental medicine (traditional Chinese medicine), a heart rate of 4 is called a flat pulse (normal pulse rate), 5 or more is called a number pulse (sakumyaku), and XNUMX or less is called a slow pulse for each breathing rate of a patient.

footnote

注 釈

  1. ^ Abbreviation for electrocardiogram.

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