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Related Concept Videos

Acute Respiratory Failure-II01:21

Acute Respiratory Failure-II

Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
Acute Respiratory Failure-V01:29

Acute Respiratory Failure-V

The treatment for acute respiratory failure varies based on factors like the underlying cause, overall health, and severity. A collaborative healthcare team is essential for early detection, often through arterial blood gas analysis. Identifying the cause is the primary goal, with treatment strategies adjusted for ventilation/perfusion (V/Q) mismatch, shunting, or diffusion impairment.
Ensure that patients are monitored continuously for their response to therapy, including changes in...
Asthma III: Clinical Manifestations01:13

Asthma III: Clinical Manifestations

Asthma presents with a characteristic pattern of episodic respiratory symptoms that reflect underlying airway inflammation, bronchoconstriction, and mucus hypersecretion. Although severity varies among individuals, certain clinical manifestations are considered hallmarks of the disorder and often guide diagnosis and assessment.Respiratory SymptomsA persistent cough is one of the most common early features of asthma. It is frequently dry and tends to worsen at night or in the early morning,...
Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features01:24

Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features

Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...
COPD: Management Using Bronchodilators and Corticosteroids01:26

COPD: Management Using Bronchodilators and Corticosteroids

Chronic obstructive pulmonary isease (COPD) involves a group of progressive lung disorders characterized by persistent airflow limitation and chronic respiratory symptoms. Asthma-COPD Overlap Syndrome (ACOS), encompassing features of both asthma and Chronic obstructive pulmonary disease (COPD), is a group of progressive lung disorders that includes chronic bronchitis, emphysema, and refractory (non-reversible) asthma. ACOS leads to complex clinical presentations that combine the inflammatory...

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Related Experiment Videos

[Acute bronchiolitis: a prospective study].

Patrícia Mação1, Andrea Dias, Lúcia Azevedo

  • 1Serviço de Pediatria, Centro Hospitalar Cova da Beira, Covilhã, Portugal.

Acta Medica Portuguesa
|August 2, 2012
PubMed
Summary
This summary is machine-generated.

Respiratory syncytial virus (RSV) is the primary cause of bronchiolitis in young children. Co-infection with human bocavirus (hBoV) increases hospitalization rates but not disease duration.

Related Experiment Videos

Area of Science:

  • Pediatric infectious diseases
  • Virology
  • Respiratory illnesses

Context:

  • Bronchiolitis is a common childhood respiratory infection, predominantly affecting those under two years old.
  • Respiratory syncytial virus (RSV) is the most frequent viral culprit identified in bronchiolitis cases.
  • Understanding the spectrum of viral etiologies and their clinical impact is crucial for effective management.

Purpose:

  • To identify various viruses responsible for bronchiolitis in children under two.
  • To correlate viral findings with patient demographics and clinical presentations.
  • To evaluate current diagnostic and therapeutic strategies for bronchiolitis.

Summary:

  • A prospective study identified RSV as the leading cause of bronchiolitis (69.3%), followed by human bocavirus (hBoV) (22.7%) and parainfluenza (27%).
  • Co-infections were common (23%), particularly RSV and hBoV, which were associated with higher hospitalization rates (80% vs. 60%).
  • Despite co-infection, disease duration and oxygen needs did not significantly differ between RSV and RSV+hBoV groups.

Impact:

  • Highlights RSV as the main driver of bronchiolitis hospitalizations, often necessitating oxygen supplementation.
  • Reveals a significant prevalence of RSV and hBoV co-infection, impacting hospitalization decisions.
  • Informs clinical practice regarding viral diagnostics and management strategies for pediatric bronchiolitis.