Name: watching breathing depth and rhythm
Uploaded: 2024-06-20T13:02:59.000Z
Duration: 1 min 29 s
Channel: JoVE

呼吸深度是指一次呼吸过程中吸入或呼出的空气量。
通过观察胸部的运动可以判断呼吸的深度，其变化范围从浅表到深沉。
浅呼吸较难察觉，仅有少量空气通过肺部。
深呼吸时，肺部充分扩张并完全呼气，从而增加空气摄入量。
呼吸深度可以使用诸如呼吸暂停、呼吸困难和端坐呼吸等术语来描述。
呼吸节律是指呼吸模式，包括呼吸的时间、规律性和用力程度。
通过观察胸部或腹部的运动可以识别呼吸节律。
膈肌呼吸是由于膈肌收缩和放松而产生的，通过观察腹部的起伏可以最清楚地看到这一过程。
女性通常使用胸肌进行呼吸，可通过上胸部的运动观察到。
费力呼吸涉及呼吸辅助肌群，可在颈部观察到。
如果异物阻塞了肺部的空气进出，吸气时肋间间隙会向内凹陷。
呼气相延长提示气流受限，常见于哮喘等疾病。

通气评估 ii：呼吸深度和节奏

Assessment of Ventilation II: Respiratory Depth and Rhythm

呼吸深度

呼吸深度测量的是一次呼吸过程中吸入或呼出的空气量。呼吸深度可深可浅，通常在人休息或睡眠时保持不变。有时，人们会自动深吸气，这被称为叹气，肺部会比正常呼吸时吸入更多的空气。

要评估呼吸深度，请观察胸部波动或运动的程度：

<ul style="list-style-type: disc; margin-left: 35px;">
	<li>深呼吸：涉及肺的充分扩张和完全的呼气，显著增加空气摄入量。</li>
	<li>浅呼吸：特点是肺部空气流通量极少，因此不太明显。</li>
</ul>

与呼吸深度相关的具体临床术语包括：

<ul style="list-style-type: disc; margin-left: 35px;">
	<li>呼吸暂停：呼吸停止，如果持续时间超过 4 至 6 分钟，可能导致脑损伤或死亡。</li>
	<li>呼吸困难：呼吸困难或费力，通常呼吸急促且浅，患者可能显得焦虑。呼吸困难患者通常坐直时呼吸更顺畅，这种情况称为端坐呼吸。</li>
</ul>

呼吸节律

呼吸节律是指呼吸的模式，包括时间、规律性和力度：

<ul style="list-style-type: disc; margin-left: 35px;">
	<li>横膈膜呼吸：以横膈膜的收缩和放松为特征，这种呼吸方式常见于健康男性和儿童，最佳观察方法是观察腹部运动。</li>
	<li>胸式呼吸：在女性中更常见，涉及使用胸肌，并通过上胸部的运动可见一斑。</li>
</ul>

呼吸困难可能与颈部辅助肌肉的使用有关。空气流通受阻的迹象（如异物干扰）包括：

<ul style="list-style-type: disc; margin-left: 35px;">
	<li>肋间隙回缩：当空气流动受限时，吸气时可见。</li>
	<li>呼气延长：是慢性阻塞性肺病 (COPD) 或哮喘等疾病的典型症状，因为这些疾病会导致空气向外流动受到阻碍。</li>
</ul>

结论

评估患者呼吸的深度和节奏不仅仅是为了及早发现潜在问题。它还涉及相应地定制干预措施，确保及时应对呼吸模式的变化。这种全面的方法可以增强患者护理和治疗效果，并证明您对专业发展和患者福祉的承诺。

通气评估 II：呼吸深度和节奏

呼吸深度  
呼吸深度用于测量一次呼吸过程中吸入或呼出的空气体积。其深度可从浅至深变化，通常保持……

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

Education

教育

JoVE Core

Nursing

护理学

Unit 1

第一单元

Vital Signs: Respiration

生命体征：呼吸

KEY TERMS AND CONCEPTS

关键术语与概念

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 the chest less and sends less air through the lungs. Two related terms are apnea and dyspnea. Apnea is a stop in breathing that, if it lasts 4 to 6 minutes, can cause brain damage or death. Dyspnea means difficult or labored breathing, often fast and shallow, and the person may look anxious. People with dyspnea often breathe more easily while sitting upright. This is called orthopnea.

Respiratory rhythm describes the pattern of breathing. It includes timing, regularity, and effort. Diaphragmatic breathing uses the diaphragm and is often seen in healthy men and children. It is best observed by watching the abdomen move. Thoracic breathing uses thoracic muscles and is more common in women. It shows up as movement in the upper chest.

Labored respirations may also use accessory muscles in the neck. Obstructed air movement, such as from a foreign body, can cause the intercostal spaces to retract during inspiration. Prolonged exhalation is common in conditions like COPD or asthma, where air has trouble moving out. Watching both depth and rhythm helps identify changes early and guides the right response.

Watching Breathing Depth and Rhythm

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

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

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 observe respiratory depth and rhythm, including deep and shallow breathing, apnea, dyspnea, diaphragm use, and signs of obstruction.

Watching Breathing Depth and Rhythm | JoVE K12

JoVE Core Nursing offers concise animated lessons on nursing practices, covering health systems, nursing organizations, and health concepts. It includes practical communication, infection prevention, and nursing fundamentals, providing students with a clear understanding of nursing principles.

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Watching Breathing Depth and Rhythm

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