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Related Concept Videos

Sleep Apnea01:21

Sleep Apnea

Sleep apnea is a condition where breathing stops intermittently during sleep, often leading to significant health issues. Each episode can last from 10 to 20 seconds or more and is frequently accompanied by a brief arousal from sleep. This disturbance, largely unnoticed by the individual, can lead to severe daytime fatigue. Commonly, individuals seek help after being informed by their partners about loud snoring and noticeable breathing pauses during sleep.
The condition is more prevalent among...
Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies01:27

Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies

Assessing and diagnosing Chronic Obstructive Pulmonary Disease (COPD) involves a detailed approach that includes a comprehensive review of medical history, physical examination, and a variety of diagnostic tests. This thorough evaluation is essential to ensure an accurate diagnosis and guide effective management strategies.
Medical History
Physical Assessment of the Respiratory Tract II: Inspection01:27

Physical Assessment of the Respiratory Tract II: Inspection

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 can...
Alterations in Respiration II01:30

Alterations in Respiration II

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 include...
Assessment of Ventilation II: Respiratory Depth and Rhythm01:29

Assessment of Ventilation II: Respiratory Depth and Rhythm

Respiratory Depth
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:
Assessment of Respiration01:23

Assessment of Respiration

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 asthma or COPD,...

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Related Experiment Video

Updated: May 30, 2026

Drug-Induced Sleep Endoscopy (DISE) with Target Controlled Infusion (TCI) and Bispectral Analysis in Obstructive Sleep Apnea
07:54

Drug-Induced Sleep Endoscopy (DISE) with Target Controlled Infusion (TCI) and Bispectral Analysis in Obstructive Sleep Apnea

Published on: December 6, 2016

Diagnostic approach to sleep-disordered breathing.

Robert Thurnheer1

  • 1Pulmonary Division, Kantonsspital, Münsterlingen, Switzerland. robert.thurnheer@stgag.ch

Expert Review of Respiratory Medicine
|August 24, 2011
PubMed
Summary

Obstructive sleep apnea (OSA) is a common sleep disorder causing daytime fatigue and increasing accident risks. Early diagnosis through sleep studies is crucial for managing OSA and its associated health risks.

Area of Science:

  • Sleep Medicine
  • Respiratory Medicine
  • Cardiovascular Health

Background:

  • Sleep-disordered breathing (SDB) is prevalent and recognized for its significant health implications.
  • Obstructive sleep apnea (OSA), a common SDB, causes daytime fatigue, somnolence, and increases risks of accidents and psychosocial dysfunction.
  • OSA is an independent risk factor for cardiovascular and metabolic diseases, necessitating increased clinical attention.

Purpose of the Study:

  • To review the diagnosis and management of sleep-disordered breathing, with a focus on obstructive sleep apnea.
  • To highlight the importance of patient history and risk factors in identifying individuals likely to have OSA.
  • To discuss the diagnostic approaches, including polysomnography and home-based monitoring.

Main Methods:

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Image Acquisition using Portable Sonography for Emergency Airway Management

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Multi-Modal Home Sleep Monitoring in Older Adults
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Multi-Modal Home Sleep Monitoring in Older Adults

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Last Updated: May 30, 2026

Drug-Induced Sleep Endoscopy (DISE) with Target Controlled Infusion (TCI) and Bispectral Analysis in Obstructive Sleep Apnea
07:54

Drug-Induced Sleep Endoscopy (DISE) with Target Controlled Infusion (TCI) and Bispectral Analysis in Obstructive Sleep Apnea

Published on: December 6, 2016

Image Acquisition using Portable Sonography for Emergency Airway Management
07:31

Image Acquisition using Portable Sonography for Emergency Airway Management

Published on: September 28, 2022

Multi-Modal Home Sleep Monitoring in Older Adults
07:40

Multi-Modal Home Sleep Monitoring in Older Adults

Published on: January 26, 2019

  • Review of literature on sleep-disordered breathing and obstructive sleep apnea.
  • Analysis of diagnostic criteria and risk factors for OSA.
  • Comparison of comprehensive sleep studies with portable monitoring methods.

Main Results:

  • Patient history, including daytime fatigue, snoring, witnessed apneas, and anthropometric factors, is key for suspecting OSA.
  • OSA is associated with significant risks, including accidents and cardiovascular/metabolic diseases.
  • Diagnosis can be achieved through in-lab polysomnography or home-based cardiorespiratory monitoring.

Conclusions:

  • Obstructive sleep apnea is a common and serious sleep disorder with significant health consequences.
  • Accurate diagnosis, guided by clinical suspicion and appropriate testing, is essential for effective management.
  • While continuous positive airway pressure is a primary treatment, alternative options are limited, emphasizing the need for early detection.