Name: checking breathing rate and oxygen levels
Uploaded: 2024-06-20T13:03:00.000Z
Duration: 1 min 19 s
Channel: JoVE

脈拍を数えながら呼吸数を評価することは、患者の不安を防ぐために不可欠です。
患者の快適性を維持しながら、正確な測定値を提供します。
患者の胸の動きを観察し、1分間または30秒間の呼吸を数えて、総呼吸数を決定します。30秒間カウントする場合は、ブレスカウントに2を掛けます。
一度に1回の呼吸サイクル、つまり1回の吸入と1回の呼気のみを数えるようにしてください。
呼吸数が異常な場合は文書化します。通常、通常の呼吸数は毎分12〜20回です。
息切れや呼吸間の一時停止など、呼吸パターンの変化に細心の注意を払ってください。
呼吸の深さ、鼻のフレア、副筋肉の使用、喘鳴やパチパチという音などの可聴音の変化を記録します。 
呼吸困難や頻呼吸など、呼吸数に関連する観察結果を記録します。
必要に応じて、パルスオキシメトリーまたは動脈血ガス値を通じて酸素飽和度を評価します。
機関の方針ごとに調査結果をフローシートに文書化します。

呼吸器評価 i

Special considerations while measuring oxygen saturation

脈拍測定と平行に呼吸数を評価することは患者ケアの基本であり、患者の呼吸機能についての貴重な洞察が得られます。 成人の通常の呼吸数は、通常、1 分あたり 12 ～ 20 回の正常範囲内にあります。 異常な呼吸数は、基礎的な健康状態または即時介入の必要性を示している可能性があります。
患者への負担の軽減を優先し、不安を最小限に抑えながら、バイタルサイン記録の正確性を確保することが重要です。 
患者の胸の動きを注意深く観察し、1分間呼吸を数えます。 時間が必要な場合は、30 秒間数えて 2 を掛けて、1 分あたりの呼吸数を推定します。 吸気と呼気を含む完全な呼吸サイクルを数えることが重要です。
医療提供者が潜在的な健康上の問題や患者の状態の変化を判断できるようにするには、正常な呼吸数からの逸脱を徹底的に文書化することが不可欠です。 たとえば、呼吸数が 1 分あたり 12 回未満の場合は、呼吸抑制または酸素レベルの低下を示している可能性があります。 毎分 20 回を超える呼吸数は、呼吸困難または潜在的な感染症を示唆している可能性があります。 
呼吸の深さを評価するときは、胸の動きを観察して、吸気と呼気の深さの変化に注目してください。 浅い呼吸または速い呼吸は、呼吸困難または不十分な換気を示している可能性があります。 さらに、聴診器で呼吸音を聞くときは、基礎的な肺の状態やうっ血を示唆する喘鳴やパチパチ音を特定します。
呼吸機能を総合的に評価するには、酸素飽和度と呼吸数の評価が重要です。 呼吸数は呼吸の頻度を反映しますが、酸素飽和度は組織への酸素供給の有効性を示します。 医療提供者は、パルスオキシメトリーや動脈血ガス分析を使用して、患者が十分な酸素を摂取しているかどうか、また呼吸機能の異常に介入が必要かどうかを特定できます。

呼吸器評価 I

脈拍測定と同時に呼吸数を評価することは、患者ケアの基本であり、患者の...

special-considerations-while-measuring-oxygen-saturation

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

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 respiratory distress or an infection. Recording any change from the normal range helps healthcare providers spot possible health problems or a change in the patient’s condition.

To measure respirations accurately, watch the chest rise and fall. Count a full breath cycle, which includes both inhalation and exhalation. The best method is to count for one full minute. If time is limited, count for 30 seconds and multiply by two to estimate breaths per minute. Comfort matters during the check, so the patient should stay as calm as possible.

Breathing depth also matters during assessment. Shallow or very fast breaths can signal respiratory distress or poor ventilation. Listening with a stethoscope can also reveal wheezing or crackles. These sounds may point to lung conditions or congestion. Careful documentation of these findings supports better patient care.

Oxygen saturation is often checked with pulse oximetry, which uses a sensor to estimate oxygen levels. It can also be measured with arterial blood gas analysis. Respiratory rate shows how often a person breathes, while oxygen saturation shows how effective oxygen delivery is. Both measurements are important when evaluating breathing problems and deciding whether intervention is needed.

Checking Breathing Rate and Oxygen Levels

checking-breathing-rate-and-oxygen-levels

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 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...

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

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 measure respiratory rate, notice abnormal breathing patterns, and check oxygen saturation to assess respiratory function in high school science.

Checking Breathing Rate and Oxygen Levels | JoVE K12

JoVE Core 看護は、医療システム、看護組織、健康概念をカバーする、看護実践に関する簡潔なアニメーション レッスンを提供します。実践的なコミュニケーション、感染予防、看護の基礎が含まれており、学生に看護の原則を明確に理解させます。

nursing

Checking Breathing Rate and Oxygen Levels

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