Related Experiment Video
Updated: Apr 3, 2026
07:12
Real-Time Monitoring of Neurocritical Patients with Diffuse Optical Spectroscopies
Published on: November 19, 2020
2.6K
Delayed visual disturbances in carbon monoxide poisoning: Identification and evaluation
Summary
Carbon monoxide poisoning frequently causes visual problems. Neuro-optometric evaluations reveal significant visual pathology in most affected patients, suggesting the need for specialized care.
Area of Science:
- Ophthalmology
- Neurology
- Toxicology
Background:
- Carbon monoxide (CO) poisoning can lead to neurological and neuropsychological issues, including visual disturbances.
- Patients experiencing vision or attention problems post-CO poisoning require specialized neuro-optometric assessment.
Purpose of the Study:
- To evaluate visual and oculomotor function in patients with persistent symptoms after carbon monoxide poisoning.
- To identify the prevalence and types of visual pathology resulting from CO exposure.
Main Methods:
- Retrospective chart review of 43 patients undergoing neuro-optometric evaluations after CO poisoning (2009-2013).
- Data collected included demographics, symptoms, and findings from comprehensive neuro-optometric examinations.
- Visual evoked potential (VEP) testing was performed on a subset of patients.
Main Results:
- 91% of patients exhibited visual pathology linked to CO poisoning.
- Common findings included convergence insufficiency (65%), oculomotor defects (33%), and peripheral vision defects (21%).
- Visual evoked potential (VEP) testing was abnormal in 73% of patients tested.
Conclusions:
- Carbon monoxide poisoning is a significant cause of visual pathology.
- Some identified visual abnormalities may be treatable with rehabilitation.
- Specialized visual evaluation is crucial for CO-poisoned patients with visual complaints.
Related Concept Videos
01:27Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies
3.4K
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
3.4K
01:17Assessment of Diffusion and Perfusion
2.0K
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...
2.0K
01:30Acute Respiratory Failure-III
1.1K
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...
1.1K
01:23Acute Respiratory Failure-IV
715
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...
715
01:30Assessment of Airway, Skin Color, and Use of Accessory Muscles
1.9K
A thorough assessment of respiratory health is paramount in clinical settings to identify and manage respiratory distress and ensure adequate oxygenation. This article elaborates on the critical aspects of respiratory evaluation, including airway assessment, skin color examination, and the observation of accessory muscle use, which are integral to effectively diagnosing and managing patients with respiratory conditions.
Introduction
The initial evaluation of a patient's respiratory system...
Introduction
The initial evaluation of a patient's respiratory system...
1.9K
01:30Acute Coronary Syndrome III: Diagnostic Studies
451
Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
451