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Gastrointestinal Diseases
Breath Analysis

Gastrointestinal Diseases

Breath tests represent an effective way to investigate functional bloating, diarrhea, constipation, and suspected malabsorption, such as lactose and fructose. They are considered as a valid alternative to more invasive procedures. Approximately half the biomarkers identified in human breath air can be detected by laser spectroscopic techniques. TDLS is a robust and reliable technology able to sense many of these biomarkers such as methane (CH₄) and carbon dioxide (CO₂). The spectroscopic analysis of breath air can shorten the period needed to conduct tests from hours down to seconds and subsequently reduce mortality, prevent unnecessary hospitalization and greatly reduce medical expenses. Breath analysis is also seen as an effective diagnosis instrument helping in defining the appropriate antibiotic therapy at an early stage.

Elevated methane levels can suggest indigestion and are a possible indicator of fructosemia or lactose intolerance. Axetris Laser Gas Detection technology is capable of measuring methane with unprecedented precision at trace levels. Methane provides important insights into the performance of the carbohydrate metabolism.

Carbon dioxide is a quality indicator, signaling whether the subject is taking sufficiently long and deep breaths. Low levels of carbon dioxide suggest shortness of breath. It has also been identified as an indicator of certain infections as well as liver malfunction and excessive bacteria growth. It is also often used as a reference to determine the amount of exhaled air that has been detected by the sensor to help determine the percentage concentrations of constituents.

 

Axetris LGD advantages:

- Reliable Measuring Performance

- Long-Term Stability

- High selectivity

- Response Time T90

LGD 呼吸功能分析
Breath Analysis

Pulmonary Diagnostics / Ergospirometry

Pulmonary Function Testing (PFT) is a valuable tool for evaluating the respiratory system, representing an important element in analyzing the patient history. Insight into the underlying pathophysiology can often be gained by comparing the results obtained from pulmonary function tests with normative values derived from population studies. The percentage of predicted normal is used to grade the severity of the abnormality. Practicing clinicians must become familiar with pulmonary function testing because it is often used in clinical medicine for evaluating respiratory symptoms such as dyspnea and cough, for stratifying preoperative risk, and for diagnosing common diseases such as asthma and chronic obstructive pulmonary diseases.

The LGD F200 offers an ideal solution for many breath analysis applications where gases such as CO2 need to be analyzed quickly and accurately. The OEM module is extremely easy to integrate and offers a competitive cost-to-performance advantage over commonly used technologies.

Axetris LGD advantages:

- Linearity over a large measuring range

- High selectivity

- High stability

- Continuous sensor status monitoring

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