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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...
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...
Acute Respiratory Failure-IV01:23

Acute Respiratory Failure-IV

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...
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...
Sleep-Wake Cycles01:24

Sleep-Wake Cycles

Sleep is an essential physiological process vital to maintaining overall well-being. The reticular activating system (RAS), a network of neurons in the brainstem, regulates wakefulness and sleep. While it may seem passive, sleep consists of distinct cycles, each with its unique characteristics and functions. Two key sleep phases are non-rapid eye movement (NREM) and  rapid eye movement (REM).
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
Sleepwalking and Sleep Talking01:17

Sleepwalking and Sleep Talking

Somnambulism, commonly known as sleepwalking, involves individuals engaging in activities ranging from simple walking to more complex behaviors such as driving. Sleepwalking typically occurs during the slow-wave sleep stages 3 and 4 early in the night when the person is not dreaming, contradicting the myth that sleepwalkers are acting out their dreams.
Factors that increase the likelihood of sleepwalking include sleep deprivation and alcohol consumption. Contrary to common beliefs, it is safe...

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Related Experiment Video

Updated: Jun 24, 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

Sleep-disordered breathing and acute stroke.

Pere Cardona Portela1, Jaume Campdelacreu Fumadó, Helena Quesada García

  • 1Stroke Unit, Hospital Universitario de Bellvitge, Barcelona, Spain. 34109pcp@comb.es

Cerebrovascular Diseases (Basel, Switzerland)
|April 4, 2009
PubMed
Summary

Sleep-disordered breathing (SDB) is linked to poor stroke outcomes and recurrence. Screening for SDB in stroke patients is crucial, and treatments like CPAP may aid prevention.

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Last Updated: Jun 24, 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

Acupoint Application Combined with Ear Plaster Therapy for Treating Sleep Disorders with Acute Exacerbation of Chronic Obstructive Pulmonary Disease
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Acupoint Application Combined with Ear Plaster Therapy for Treating Sleep Disorders with Acute Exacerbation of Chronic Obstructive Pulmonary Disease

Published on: October 18, 2024

Area of Science:

  • Neurology
  • Sleep Medicine
  • Cardiovascular Research

Background:

  • Sleep-disordered breathing (SDB) is increasingly recognized as a significant health issue.
  • SDB is frequently observed in patients who have experienced a stroke.
  • SDB is an independent risk factor for cardiovascular and cerebrovascular diseases.

Purpose of the Study:

  • To review the evidence linking sleep-disordered breathing and stroke.
  • To define SDB subgroups, mechanisms, and epidemiological factors.
  • To analyze the impact of SDB on stroke outcomes and prognosis.

Main Methods:

  • Systematic review of recent population-based studies and article reference lists.
  • Analysis of existing data on the association between SDB and stroke.
  • Examination of stroke outcomes in patients with SDB.

Main Results:

  • Numerous studies confirm a strong association between SDB and stroke.
  • Sleep apnea is highly prevalent in stroke patients.
  • SDB in stroke patients is linked to poorer outcomes and increased recurrence risk.
  • Potential mechanisms include hemodynamic changes, inflammation, and endothelial dysfunction.
  • Continuous positive airway pressure (CPAP) may reduce stroke risk.

Conclusions:

  • SDB is associated with cerebrovascular disease and adverse clinical outcomes.
  • Systematic screening for SDB in acute stroke patients is recommended.
  • Further research is needed to confirm the benefits of CPAP in stroke outcome and prognosis.