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Related Concept Videos

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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Pulmonary Cycle: Exhalation01:17

Pulmonary Cycle: Exhalation

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In terms of human respiration, the act of expelling air, known as exhalation (or expiration), operates on the principle of pressure gradients. During expiration, the pressure within the lungs exceeds that of the surrounding atmosphere. Under normal conditions, quiet breathing involves passive exhalation and is free of muscular contractions. This is because the exhalation process is driven by the natural elastic recoil of the lungs and chest wall, both of which have an inherent tendency to...
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Acute Respiratory Failure-IV01:23

Acute Respiratory Failure-IV

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Respiratory failure can manifest suddenly or gradually, characterized by a rapid decline in PaO2 and a rapid rise in PaCO2. This situation indicates a severe respiratory problem that may quickly become a life-threatening emergency. One of the early signs of hypoxemic Acute Respiratory Failure (ARF) is a change in mental status due to the brain's sensitivity to oxygen levels and changes in acid-base balance. Symptoms such as restlessness, confusion, and agitation suggest inadequate oxygen...
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Respiratory System Abnormal Finding I: Inspection and Percussion01:30

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Respiratory system abnormalities are a significant concern in healthcare due to their potential to indicate underlying severe conditions like Chronic Obstructive Pulmonary Disease (COPD), asthma, and pneumonia. These abnormalities can often be detected through physical examination methods like inspection and percussion.
Inspection Findings
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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.
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Respiratory Assessment: Purpose and Indications01:19

Respiratory Assessment: Purpose and Indications

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Respiratory assessment is a cornerstone of nursing assessments, crucial for the early detection of patient deterioration. This evaluation transcends routine procedures, representing a critical skill nurses must master to ensure optimal patient care.
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Updated: Mar 26, 2026

Protocol and Guidelines for Point-of-Care Lung Ultrasound in Diagnosing Neonatal Pulmonary Diseases Based on International Expert Consensus
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Protocol and Guidelines for Point-of-Care Lung Ultrasound in Diagnosing Neonatal Pulmonary Diseases Based on International Expert Consensus

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Respiratory Development and Respiratory Distress Syndrome.

Lori Baas Rubarth, Jenny Quinn

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    This summary is machine-generated.

    Premature infants may experience respiratory distress syndrome due to underdeveloped lungs and insufficient surfactant production. This review covers normal fetal lung development and related disorders in premature newborns.

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    Area of Science:

    • Neonatal Medicine
    • Developmental Biology
    • Pulmonology

    Background:

    • Respiratory development is vital for neonatal survival.
    • Premature infants often have immature lungs and inadequate surfactant production.
    • This can lead to respiratory distress syndrome (RDS).

    Purpose of the Study:

    • To review normal fetal lung development.
    • To discuss respiratory distress syndrome in premature infants.
    • To provide a comprehensive overview of lung development and related disorders.

    Main Methods:

    • Literature review of fetal lung development.
    • Analysis of the pathophysiology of respiratory distress syndrome.
    • Synthesis of information on premature infant respiratory complications.

    Main Results:

    • Detailed description of key stages in fetal lung maturation.
    • Explanation of surfactant's role in alveolar function.
    • Identification of factors contributing to RDS in preterm neonates.

    Conclusions:

    • Understanding fetal lung development is key to managing neonatal respiratory issues.
    • Early birth poses significant risks for respiratory health.
    • Further research can improve outcomes for infants with respiratory distress syndrome.