Related Experiment Video
Updated: Dec 31, 2025
08:44
Author Spotlight: Integrating Alveolar-Capillary Reserve Measurements in Exercise Adaptation and Therapeutic Strategies
Published on: February 2, 2024
1.2K
A carbon monoxide poisoning case due to lung diffusion test.
Serkan Ergözen1, Ahmet Demir2, Ethem Acar2
1Department of Underwater and Hyperbaric Medicine, Faculty of Medicine, Muğla Sıtkı Koçman University, Muğla, Turkey.
The American Journal of Emergency Medicine
|January 9, 2020
Summary
Carbon monoxide (CO) poisoning can occur during a lung diffusion test (DLCO). This case report details a patient poisoned by CO during a DLCO test and treated in the Emergency Department.
Area of Science:
- Pulmonary Medicine
- Toxicology
- Diagnostic Testing
Background:
- Carbon monoxide (CO) poisoning results from incomplete hydrocarbon combustion.
- Common causes include faulty appliances, fires, and enclosed space exhaust exposure.
- The DLCO test measures alveolar-capillary membrane diffusion capacity using CO gas.
Observation:
- A patient experienced CO poisoning during a standard DLCO test.
- This event occurred despite the controlled environment of a medical diagnostic procedure.
Findings:
- The study presents the first reported case of CO poisoning specifically during a DLCO test.
- The patient received timely treatment in the Emergency Department.
Implications:
- Highlights a potential, previously unreported risk associated with DLCO testing.
- Emphasizes the need for vigilance and preparedness in emergency departments for CO poisoning cases, even those arising from diagnostic procedures.
- Suggests a review of safety protocols for DLCO testing may be warranted.
More Related Videos
Related Concept Videos
01:17Assessment of Diffusion and Perfusion
1.5K
Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this...
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this...
1.5K
01:27Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies
3.0K
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
Medical History
3.0K
01:19Carbon Dioxide Transport in the Blood
4.2K
Carbon dioxide (CO2) transport in the blood is critical to human physiology. On average, our body cells produce around 200 mL of CO2 per minute, precisely the quantity expelled by the lungs. This process involves the transportation of CO2 from the tissue cells to the lungs in three primary forms.
Forms of CO2 Transport
1. Dissolved in plasma: A small percentage (7-10%) of CO2 is transported and dissolved directly in the plasma.
2. Carbaminohemoglobin: Just over 20% of CO2 is chemically bound to...
Forms of CO2 Transport
1. Dissolved in plasma: A small percentage (7-10%) of CO2 is transported and dissolved directly in the plasma.
2. Carbaminohemoglobin: Just over 20% of CO2 is chemically bound to...
4.2K
01:30Acute Respiratory Failure-III
683
Hypercapnic respiratory failure, also known as Type 2 or ventilatory respiratory failure, is a severe condition characterized by the body's inability to effectively remove carbon dioxide (CO2) from the bloodstream. It leads to an arterial CO2 pressure (PaCO2) exceeding 45 mmHg and a blood pH above 7.35. This situation indicates that the body's ventilatory demand, or the ventilation needed to maintain normal PaCO2 levels, surpasses its supply or the maximum gas flow achievable without...
683
01:30Radiological Investigation II: MRI and Ventilation Perfusion Scan
452
Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
452
01:23Hypoxia
1.8K
Hypoxia is a medical condition characterized by an inadequate oxygen supply to body tissues. It typically manifests as a bluish discoloration of the skin and mucosae, especially in fair-skinned individuals, when hemoglobin (Hb) saturation drops below 75%.
Types of Hypoxia
There are four primary types of hypoxia, each resulting from a different cause:
1. Anemic hypoxia: This type occurs due to insufficient oxygen delivery caused by a lack of red blood cells (RBCs) or RBCs with abnormal or...
Types of Hypoxia
There are four primary types of hypoxia, each resulting from a different cause:
1. Anemic hypoxia: This type occurs due to insufficient oxygen delivery caused by a lack of red blood cells (RBCs) or RBCs with abnormal or...
1.8K