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

了解精确的呼吸模式及其变化具有重要的临床意义。以下是呼吸模式的一些改变。
平静呼吸是指在静息状态下正常而平缓的呼吸。其特征是呼吸频率和节律稳定，通常为每分钟12到20次呼吸。
呼吸过缓是指呼吸频率降低，其呼吸节律规则，但每分钟呼吸次数少于十次。
这表明患者的病情严重恶化，例如呼吸中枢抑制或阿片类药物过量。
呼吸急促是指呼吸频率增加，超过每分钟20次呼吸。
可能由焦虑、代谢性酸中毒、限制性肺病、循环系统障碍、疼痛或发热引起。
相比之下，呼吸困难（dyspnea）是一种主观感受，表现为呼吸费力、胸闷和气短。
最后，呼吸暂停是指呼吸的暂时停止，持续的呼吸停止会导致呼吸衰竭、脑损伤，最终导致死亡。
它可能由某些疾病引起，例如神经肌肉疾病和心力衰竭。

呼吸的模式和变化 i

Respiratory Volumes and Capacities I

评估一整分钟的呼吸频率和节律对于评估呼吸模式至关重要。即使患者的平均呼吸频率略有增加，例如每分钟3到5次呼吸，也是呼吸窘迫的早期重要指标。呼吸频率超过每分钟24次的患者需要密切监测以确定生理变化。这种仔细的观察对于及时识别和干预呼吸功能受损的情况至关重要。正常呼吸和异常呼吸有不同的类型：

正常呼吸

正常呼吸是指正常、轻柔的呼吸，呼吸频率和节奏有规律，通常为每分钟 12 到 20 次呼吸。

呼吸缓慢

呼吸缓慢时，呼吸频率规则，但每分钟呼吸次数少于10次。这种情况可能表明患者病情严重恶化，例如呼吸中枢抑制、阿片类药物过量或颅内压升高。

呼吸急促

呼吸急促的特点是呼吸频率较浅，比正常情况快，每分钟超过20次呼吸。这种情况可能表明存在焦虑、疼痛、限制性肺病、心脏或循环系统问题或发热等问题，并且通常是呼吸窘迫的第一个迹象。

呼吸困难

呼吸困难涉及呼吸困难或呼吸困难的主观感觉，通常伴有快速而浅的呼吸。由于运动命令与呼吸系统的机械反应之间不匹配，哮喘、剧烈运动和肺栓塞等疾病可能导致这种类型的呼吸。

呼吸暂停

呼吸暂停表示呼吸暂时停止，是一个严重的问题。持续超过4到6分钟的长时间发作可能会导致脑损伤。它可能是由阻塞性睡眠呼吸暂停、神经肌肉疾病、心力衰竭和药物中毒等疾病引起的。

总之，医疗保健专业人员必须彻底了解不同的呼吸模式及其相关的临床意义。认识这些模式使他们能够及时识别呼吸窘迫、确定根本原因并实施适当的干预措施以优化患者的治疗结果。

呼吸的模式和变化 I

完整评估呼吸频率和节律需持续观察整整一分钟，这对于判断呼吸模式至关重要。即使呼吸频率出现轻微升高……

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

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

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.

nursing

Breathing Rates and Pattern Changes

Description

Transcript