Name: breathing rates and pattern changes
Uploaded: 2024-06-20T13:02:59.000Z
Duration: 1 min 26 s
Channel: JoVE

正確な呼吸パターンとそのバリエーションを理解することは、臨床的に非常に重要です。以下は、呼吸パターンのいくつかの変更です。
ユープネアとは、安静時の正常で穏やかな呼吸を指します。これは、安定した呼吸数とリズムを特徴とし、通常は毎分12〜20回の呼吸の範囲です。
徐呼吸は、呼吸数が規則的であるが、毎分10回未満の呼吸数である呼吸数の低下です。
これは、呼吸器中枢の抑制やオピオイドの過剰摂取など、患者の状態が著しく悪化していることを意味します。
頻呼吸は、毎分20回を超える呼吸数の増加です。
不安、代謝性アシドーシス、拘束性肺疾患、循環器障害、痛み、または発熱が原因である可能性があります。
対照的に、呼吸困難、または息切れは、呼吸困難、胸の圧迫感、息切れを経験する主観的な感覚です。
最後に、無呼吸とは一時的な呼吸の停止を指し、持続的な停止は呼吸停止、脳の損傷、そして最終的には死に至ります。
神経筋疾患や心不全などのいくつかの状態が原因で発生する可能性があります。

呼吸のパターンと変化 i

Respiratory Volumes and Capacities I

呼吸のパターンを評価するには、1 分間の呼吸数とリズムを評価することが重要です。 患者の平均呼吸数のわずかな増加（1 分あたりわずか 3 ～ 5 回の呼吸）でも、呼吸困難の初期かつ重要な指標となります。 呼吸数が 1 分あたり 24 回を超える患者は、生理学的変化を判断するために綿密なモニタリングが必要です。 この注意深い観察は、呼吸機能が低下した場合の迅速な認識と介入のために不可欠です。 正常な呼吸と異常な呼吸には、次のような異なるタイプがあります。
ユープネア
有呼吸は、通常は 1 分間に 12 ～ 20 回の呼吸数とリズムで行われる、正常で穏やかな呼吸です。

徐呼吸
徐呼吸では、呼吸数は規則的ですが、1 分間に 10 回未満の呼吸になります。 この状態は、呼吸中枢の低下、オピオイドの過剰摂取、頭蓋内圧の上昇など、患者の状態が重度に悪化していることを示している可能性があります。

頻呼吸
頻呼吸は、浅い呼吸数が通常よりも速く、毎分 20 回を超えることが特徴です。 この状態は、不安、痛み、拘束性肺疾患、心臓または循環器の問題、または発熱などの問題を示唆している可能性があり、多くの場合、呼吸困難の最初の兆候です。

呼吸困難
呼吸困難は、呼吸が困難または苦しそうに感じる主観的な感覚を伴い、多くの場合、急速で浅い呼吸を伴います。 喘息、激しい運動、肺塞栓症などの症状は、運動指令と呼吸器系の機械的反応の不一致により、この種の呼吸を引き起こす可能性があります。

無呼吸
無呼吸は一時的な呼吸停止を示しており、重大な懸念事項です。 エピソードが 4 ～ 6 分を超えて続くと、脳に損傷を与える可能性があります。 閉塞性睡眠時無呼吸症候群、神経筋疾患、心不全、薬物中毒などの症状が原因で発生する場合があります。

結論として、医療専門家は、さまざまな呼吸パターンとそれに関連する臨床的影響を徹底的に理解する必要があります。 これらのパターンを認識することで、呼吸困難を迅速に特定し、根本的な原因を特定し、適切な介入を実施して患者の転帰を最適化することができます。

呼吸のパターンと変化 I

呼吸パターンを評価するには、呼吸数とリズムを1分間評価することが重要です。のわずかな増加でさえ...

Education

JoVE Core

Nursing

看護

Unit 1

ユニット1

Vital Signs: Respiration

バイタルサイン：呼吸

KEY TERMS AND CONCEPTS

主要用語および概念

breathing rates and pattern changes

Breathing rate and rhythm are important signs of respiratory health. A complete one-minute count helps show the patient’s breathing pattern. Even a small rise of three to five breaths per minute can be an early sign of respiratory distress. Patients with a rate above twenty-four breaths per minute need close monitoring for possible changes in body function.

Normal and abnormal respirations have clear names. Eupnea means normal, gentle breathing with a regular rate and rhythm, usually twelve to twenty breaths per minute. Bradypnea is a regular but slow rate of fewer than ten breaths per minute. It may point to severe decline, such as depression of the respiratory center, opioid overdose, or elevated intracranial pressure.

Tachypnea is a fast, shallow breathing rate that exceeds twenty breaths per minute. It may be linked to anxiety, pain, restrictive lung disease, cardiac or circulatory problems, or pyrexia. This pattern is often the first sign of respiratory distress. Dyspnea is the feeling of difficult or labored breathing, and it is often paired with rapid, shallow respirations.

Asthma, strenuous exercise, and pulmonary embolism can cause dyspnea because the motor command and the mechanical response of the respiratory system do not match. Apnea is the temporary stopping of breathing, and it is a major concern. If apnea lasts longer than four to six minutes, it can cause brain damage. It may occur with obstructive sleep apnea, neuromuscular disease, heart failure, or drug toxicity. Knowing these breathing patterns helps healthcare professionals recognize distress quickly and respond with the right care.

Breathing Rates and Pattern Changes

respiration

Respiratory System and Gas Exchange

The respiratory system supports energy production by bringing oxygen into the body and removing carbon dioxide. In human cells, oxidation uses food molecules and oxygen to produce carbon dioxide and water. This process helps sustain life and depends on the respiratory system. Air moves through a pathway that includes the nose, oropharynx, larynx, trachea, bronchi, bronchioles, and lungs. Air enters through the nose and mouth, passes through the pharynx, and then moves through the larynx, which...

physiological control of respiration

How the Brain Regulates Breathing

How the brain regulates breathing is controlled by the respiratory center in the brainstem. This center manages involuntary breathing, so respirations continue without conscious effort and stay smooth and steady. Ventilation is maintained by monitoring carbon dioxide (CO2), oxygen (O2), and hydrogen ion concentration, or pH, in arterial blood. CO2 is the most important signal in this control system. When CO2 rises, the respiratory control system increases the rate and depth of breathing so...

respiration and gaseous exchange

How Heart and Lungs Exchange Gases

Heart and lung function work together to move oxygen and carbon dioxide through the body. This gas exchange depends on the cardiovascular system, which includes the heart and blood vessels, and on the respiratory system, which brings air to the alveoli and removes waste gases. The heart is a cone-shaped muscular pump at the center of this system. It has four chambers: two atria on top and two ventricles below. The atria receive blood from veins, including the superior and inferior vena cava...

mechanism of breathing i: inspiration

How Air Moves Into the Lungs

Air enters the lungs through a coordinated breathing process called inspiration, or inhalation. This is the first phase of the respiratory cycle. The respiratory system includes the conducting zone and the respiratory zone, and both help move air toward the place where gas exchange occurs. During inspiration, air comes in through the nose or mouth and passes through the conducting zone. This pathway includes the nasal cavity, trachea, and bronchi. These structures filter, warm, and humidify...

mechanism of breathing ii: expiration

How the Body Pushes Air Out

Expiration is the process of pushing air out of the lungs. It begins when the inspiratory muscles relax. That relaxation starts a chain of changes in the chest and lungs. As the diaphragm relaxes, it moves upward. This lowers the volume of the thoracic cavity, or chest space. The pleural cavity also contracts and presses on the lungs. The intercostal muscles, which sit between the ribs, help during this phase too. They pull the ribs downward and inward. This makes the chest cavity even...

mechanism of breathing iii: the accessory muscles

mechanism-of-breathing-iii-the-accessory-muscles

Accessory Muscles That Support Breathing

Accessory muscles help the respiratory system expand the chest and move air when breathing needs extra effort. The diaphragm is still the main breathing muscle, but other muscles can assist during inhalation and exhalation. This support becomes important during deep breathing or when the body faces breathing challenges. Several accessory muscles help with inhalation. The sternocleidomastoid, which is in the neck, lifts the sternum and helps the chest cavity expand. The scalene muscles also sit...

factors affecting respiration

How Breathing Changes in Different Conditions

Respiration changes with age, activity, health, and the environment. It is the process of exchanging oxygen (O2) and carbon dioxide (CO2) between the body and the surroundings. Many factors can alter how fast and how deeply a person breathes. Newborns usually breathe faster than older children and adults. Their respiratory rate can range from thirty to sixty breaths per minute because their metabolic needs are higher. As people age, metabolic rate often decreases, and breathing tends to slow. <br...

respiratory assessment: purpose and indications

respiratory-assessment-purpose-and-indications

Breathing Checks in Patient Monitoring

Respiratory assessment is a key part of patient monitoring in nursing. It helps detect early signs of clinical deterioration. Breathing changes often appear before other signs of worsening health, so nurses watch respiratory rate, breathing pattern, and breath sounds closely. A complete respiratory assessment goes beyond counting breaths. It includes inspection, which means looking at chest symmetry, effort, and use of accessory muscles. It also includes palpation, or feeling for tenderness,...

assessment of airway, skin color, and use of accessory muscles

assessment-of-airway-skin-color-and-use-of-accessory-muscles

Respiratory Signs to Check During Breathing

Respiratory assessment starts with checking the airway, skin color, and use of accessory muscles during breathing. These signs give quick clues about respiratory status and possible complications. A clear airway, normal skin color, and no accessory muscle use usually point to effective oxygenation and perfusion. Airway assessment is an important first step in any health check. Clinicians look for anything that could block breathing, such as vomit, a foreign object, or the tongue. In a...

assessment of ventilation i: respiratory rate

assessment-of-ventilation-i-respiratory-rate

Checking Breathing Patterns and Respiratory Rate

Ventilation assessment helps monitor a patient’s health status by checking breathing patterns and respiratory rate. Respiration is one of the easiest vital signs to observe. It can also show problems in several body systems, including serious issues such as brainstem injury after head trauma. Accurate assessment depends on unobtrusive observation. The patient should not know they are being watched, because awareness can change breathing patterns. A full evaluation also considers the patient’s...

assessment of ventilation ii: respiratory depth and rhythm

assessment-of-ventilation-ii-respiratory-depth-and-rhythm

Watching Breathing Depth and Rhythm

Breathing depth and rhythm help show how a person is ventilating. Respiratory depth is the amount of air inhaled or exhaled in one breath. It may be shallow or deep, and it usually stays steady when a person is resting or asleep. A deep sigh is an automatic deep breath that fills the lungs with more air than normal breathing. Respiratory depth is checked by watching chest excursion, or chest movement. Deep respiration shows full lung expansion and complete exhalation. Shallow respiration moves...

assessment of diffusion and perfusion

Gas Exchange Checks in Respiratory Care

Gas exchange checks in respiratory care focus on diffusion, perfusion, oxygen saturation, and capnography. These measures help show how well the lungs and blood vessels move oxygen in and remove carbon dioxide from the body. Diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration. In the lungs, oxygen diffuses from the alveoli, the tiny air sacs, into the bloodstream. Carbon dioxide, which is made during cell metabolism, moves from the...

respiratory volumes and capacities i

Breathing rate and rhythm are important signs of respiratory health. A complete one-minute count helps show the patient’s breathing pattern. Even a small rise of three to five breaths per minute can be an early sign of respiratory distress. Patients with a rate above twenty-four breaths per minute need close monitoring for possible changes in body function. Normal and abnormal respirations have clear names. Eupnea means normal, gentle breathing with a regular rate and rhythm, usually twelve to...

alterations in respiration ii

Breathing Patterns and Their Clinical Meaning

Breathing patterns can be regular, deep, or shallow, and they can also become abnormal. These changes help explain how ventilation is affected in different conditions. Clinically, they are important because they can guide patient evaluation. Biot's breathing is irregular in both rate and depth. It alternates between deep gasping breaths and apnea, which is a pause in breathing. It may occur with increased intracranial pressure or damage to the brain's respiratory center, such as from stroke,...

respiratory volumes

Measuring Lung Air Volumes

Respiratory volumes measure how much air moves in and out of the lungs during breathing. These values help assess lung function, support diagnosis of respiratory conditions, and track overall respiratory health. Each measurement gives a different view of how the lungs work. Tidal volume (TV) is the air inhaled or exhaled in one normal breath. In adults, it is about 500 milliliters per breath. It serves as the baseline volume for resting breathing. Minute volume (MV) is the total air exchanged...

respiratory capacities

Lung Capacity Measures in Breathing

Lung capacity measures show how much air the respiratory system can move and hold during different parts of breathing. These measures help describe lung function in a more complete way. They are useful for understanding how the lungs work during inhaling and exhaling. Inspiratory capacity, or IC, is the maximum amount of air that can be inhaled with full effort. It is found by adding tidal volume and inspiratory reserve volume. IC usually ranges from 2.4 to 3.6 liters. Functional residual...

special considerations while measuring oxygen saturation

special-considerations-while-measuring-oxygen-saturation

Checking Breathing Rate and Oxygen Levels

Checking breathing rate and oxygen levels helps assess how well a patient is breathing. Respiratory rate is the number of breaths taken in one minute. Oxygen saturation shows how much oxygen is being delivered to the body’s tissues. Together, these signs give a fuller picture of respiratory function. The normal adult breathing rate is usually 12 to 20 breaths per minute. A lower rate may suggest respiratory depression or decreased oxygen levels. A rate above 20 breaths per minute may point to...

assessment of respiration

Respiratory Assessment Signs and Findings

Respiratory assessment looks at the signs and findings that show how well a person is breathing. It uses both subjective data and objective data to judge respiratory health. The respiratory system’s basic structures and main functions provide the basis for this check. Subjective assessment starts with an interview. Nurses ask about medical history, medicines, current symptoms, past respiratory problems like asthma or COPD, surgeries, and allergies. Family history also matters because it can...

key terms and concepts

Learn how to identify normal and abnormal breathing patterns, from eupnea to apnea, and why changes in respiratory rate can signal distress.

Breathing Rates and Pattern Changes | JoVE K12

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nursing

Breathing Rates and Pattern Changes

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