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Related Concept Videos

Pneumothorax-II01:27

Pneumothorax-II

121
Pneumothorax is a medical condition defined by the buildup of air in the pleural space between the lungs and the chest wall. This accumulation of air can lead to partial or complete lung collapse, resulting in a range of clinical manifestations. Understanding the clinical presentation and effective management strategies is crucial for healthcare professionals in providing timely and appropriate care to individuals with pneumothorax.
Clinical Manifestations:
121
Pneumothorax-I01:26

Pneumothorax-I

173
A pneumothorax is a condition where air builds up in the space between the lung and the chest wall, causing the lung to collapse. This condition arises when air enters the space between the parietal and visceral pleura, disrupting the negative pressure essential for lung inflation. This can lead to a partial or complete collapse of the lung.
Pneumothorax can be even further classified as spontaneous, traumatic, and tension pneumothorax.
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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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Stimulants01:29

Stimulants

162
Stimulants are substances that enhance neural activity and elevate dopamine levels in the brain, leading to their highly addictive nature. These drugs include cocaine, amphetamines, MDMA, caffeine, and nicotine, each with distinct mechanisms of action and varied health implications.
Cocaine can be administered via snorting, injection, or smoking. It primarily functions by blocking the reuptake of dopamine, resulting in a euphoric high characterized by an intense sensation of happiness and...
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Pneumonia I: Introduction01:30

Pneumonia I: Introduction

211
Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
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Other Pulmonary Disorders01:17

Other Pulmonary Disorders

804
Respiratory disorders encompass a range of conditions with varying levels of severity. Asthma, marked by chronic airway inflammation and hypersensitivity, is one such condition. It can lead to airway obstruction due to factors like bronchial spasms, mucosal edema, increased mucus secretion, or epithelial damage. Asthma triggers are diverse, ranging from allergens to emotional upset, and treatment focuses on both immediate relief through bronchodilators and long-term inflammation suppression.
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Updated: Jun 9, 2025

Development of a Preclinical Inhalation Model to Test Vaporized Cannabis Distillates
06:09

Development of a Preclinical Inhalation Model to Test Vaporized Cannabis Distillates

Published on: May 30, 2025

47

Pneumothoraces Associated With Vaping Cannabis Concentrate.

Gabriella K Olgin1, Catherine Ludwig1, Michael A Matthay1

  • 1University of California San Francisco, San Francisco, California.

Pediatrics
|October 29, 2024
PubMed
Summary
This summary is machine-generated.

Vaping-associated spontaneous pneumothorax (VASP) is a newly identified condition linked to e-cigarette use. This case report details bilateral VASP in an adolescent exclusively vaping cannabis concentrate, highlighting a critical diagnosis for chest pain in young vapers.

Area of Science:

  • Medical Science
  • Pulmonology
  • Adolescent Health

Background:

  • Vaping-associated spontaneous pneumothorax (VASP) is an emerging clinical diagnosis.

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  • Spontaneous pneumothorax is a condition where air leaks into the space between the lungs and chest wall.
  • Adolescent vaping, including cannabis concentrate use, is increasing globally.