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Related Concept Videos

Respiratory Volumes and Capacities I01:26

Respiratory Volumes and Capacities I

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Assessing the respiratory rate and rhythm for a complete minute is crucial for evaluating the breathing pattern. Even a minor increase in the patient's average respiratory rate, by as little as three to five breaths per minute, is an early and vital indicator of respiratory distress. Patients with a respiratory rate exceeding twenty-four breaths per minute require close monitoring to determine the physiological alterations. This careful observation is essential for prompt recognition and...
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Alterations in Respiration II01:30

Alterations in Respiration II

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There are numerous types of normal and abnormal respiration. Based on ventilatory movements, breathing patterns are classified as regular, deep, or shallow. Examples include Biot's breathing, Cheyne-Stokes respiration, Kussmaul's breathing, hyperventilation, and hypoventilation. Each pattern is clinically significant and aids in evaluating patients.
In Biot's breathing, the respiratory rate and depth are irregular, alternating between periods of deep gasping and apnea. Common causes...
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Hyperpnea and Hyperventilation01:25

Hyperpnea and Hyperventilation

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Hyperventilation refers to a higher-than-normal rate and depth of breathing, often associated with anxiety attacks. This excessive breathing surpasses the body's need to expel CO2, leading to a condition known as hypocapnia - an unusually low level of carbon dioxide in the blood. Hypocapnia can constrict cerebral blood vessels, reducing blood flow to the brain, which may result in dizziness or fainting. Early signs include tingling and muscle spasms in the hands and face, caused by falling...
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Breathing01:05

Breathing

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The process of breathing, inhaling and exhaling, involves the coordinated movement of the chest wall, the lungs, and the muscles that move them. Two muscle groups with important roles in breathing are the diaphragm, located directly below the lungs, and the intercostal muscles, which lie between the ribs. When the diaphragm contracts, it moves downward, increasing the volume of the thoracic cavity and creating more room for the lungs to expand. When the intercostal muscles contract, the ribs...
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Physical Assessment of the Respiratory Tract II: Inspection01:27

Physical Assessment of the Respiratory Tract II: Inspection

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Physical assessment of the respiratory tract through inspection is a crucial step in understanding the patient's respiratory health. It provides insights into the functioning of the respiratory system, the musculoskeletal structure, and even the patient's nutritional status. This comprehensive approach involves observing several vital aspects: chest configuration, breathing patterns, respiratory rates, skin color, and use of accessory muscles.
Chest Configuration
The chest configuration...
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Assessment of Respiration01:23

Assessment of Respiration

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The respiratory system's basic structures and primary functions lay the foundation for nurses' comprehensive respiratory assessments. This assessment includes subjective and objective data to gauge the patient's respiratory health.
Subjective Assessment: Nurses interview the patient to gather information directly during the subjective assessment. It includes questions about the individual's medical history, medications, and symptoms, focusing on past respiratory conditions like...
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Updated: Feb 17, 2026

Breath Collection from Children for Disease Biomarker Discovery
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Breath Collection from Children for Disease Biomarker Discovery

Published on: February 14, 2019

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Breathlessness.

Charles M Seamens, Keith Wrenn

    Postgraduate Medicine
    |December 12, 2017
    PubMed
    Summary

    Dyspnea, or shortness of breath, is a complex symptom often caused by heart or lung conditions. This review covers diagnostic and treatment strategies for managing this distressing sensation.

    Area of Science:

    • Medical Sciences
    • Clinical Medicine

    Background:

    • Dyspnea is a distressing symptom requiring prompt medical attention.
    • The causes of dyspnea are not fully understood and can be multifactorial.
    • Distinguishing between cardiac and pulmonary origins of dyspnea can be challenging, especially when both conditions coexist.

    Purpose of the Study:

    • To provide a comprehensive review of dyspnea.
    • To outline diagnostic strategies for identifying the causes of dyspnea.
    • To recommend effective treatment approaches for patients experiencing dyspnea.

    Main Methods:

    • Literature review of existing studies on dyspnea.
    • Analysis of diagnostic criteria for cardiac and pulmonary etiologies.
    • Synthesis of current treatment guidelines and recommendations.

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    Voluntary Breath-hold Technique for Reducing Heart Dose in Left Breast Radiotherapy
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    Investigation into Deep Breathing through Measurement of Ventilatory Parameters and Observation of Breathing Patterns
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    Main Results:

    • Dyspnea often stems from underlying cardiac or pulmonary diseases.
    • Differential diagnosis is crucial due to overlapping symptoms and comorbidities.
    • A systematic approach to diagnosis and treatment is recommended.

    Conclusions:

    • Effective management of dyspnea requires a thorough understanding of its diverse causes.
    • Prompt medical intervention and accurate diagnosis are key to improving patient outcomes.
    • This review provides a framework for clinicians to diagnose and treat patients with dyspnea effectively.