Asthma symptoms explanation

How to Control Asthma Symptoms

Asthma is a long-term lung disease that inflames and narrows the airways. Asthma causes recurring periods of wheezing (a whistling sound when you breathe), chest tightness, shortness of breath, and coughing, which often occurs at night or early in the morning. Without proper treatment and prevention, severe asthma attacks are fatal.

Without immediate treatment, an asthma patient’s breathing may become more labored, and wheezing may get louder. As his lung continues to tighten during the asthma attack. Gradually, his lungs may tighten so much that there is not enough air movement to produce wheezing, sometimes called the “silent chest”. This is a dangerous sign because some people interpret the disappearance of wheezing during the asthma attack as a sign of improvement and fail to get prompt emergency care. The patient may eventually be unable to speak and can develop a bluish coloring around your lips. This color change, known as “cyanosis,” means he has less and less oxygen in his blood. Without immediate aggressive treatment in an emergency room or intensive care unit, he may lose consciousness and eventually die.

Asthma symptoms explanation

Asthma symptoms explanation: A – location of the lungs and airways in the body. B – cross-section of a normal airway. C – cross-section of an airway during asthma symptoms.

Successfully controlling asthma can lighten our worrying about its dangers, especially if our children have asthma. Controlling asthma not only reduces potential risk and cost for medicine and treatment, but also significantly improve patient’s living quality.

Critical stage in fighting against asthma: To prevent its triggers!

According to The National Heart, Lung, and Blood Institute (USA), although asthma cannot be cured completely, but there are still ways to control asthma by preventing the triggers:

“Taking an active role to control your asthma involves:
1. Working with your doctor to treat other conditions that can interfere with asthma management.
2. Avoiding things that worsen your asthma (asthma triggers). However, one trigger you should not avoid is physical activity. Physical activity is an important part of a healthy lifestyle. Talk with your doctor about medicines that can help you stay active.
3. Working with your doctor and other health care providers to create and follow an asthma action plan.”

Other asthma triggers could be pollens, fur, smoke, cockroaches, molds, household irritants, dust mites and other pollutants. Secondhand tobacco smoke might also be a trigger in your home, especially for a child with asthma. People who have asthma, or those who have children with asthma, can take a more active role in their fight against this disease by preventing those triggers at the beginning.

As we tend to spend more and more time indoors, an effective solution preventing asthma triggers must be able to eliminate all triggers in your room while not causing any side effect for the patient.

Physically preventing the patient from contacting with triggers will help to reduce the chance an asthma attack occurs. However, isolating a space from the outside environment typically will require a lot of effort to seal all the gaps, treat the air indoor and supplement oxygen. Without fresh air refreshment, the CO2 concentration will increase as the patient exhales. This will make the patient tired and dizzy, so that the isolation solution is not sustainable.

Using an air purification combining with a ventilation system can be considered an alternative. However, new air will not be treated immediately and completely after entering the room. So it’s highly possible that the patient can contact triggers in the untreated air. Hence, this solution is not effective for preventing asthma because fresh air has not been kept clean continuously and completely.

Therefore, supplying fresh and clean air continuously is critical for the success of preventing asthma. Industrial standard air treatment system, might cost up to US$50,000, can provide clean and fresh air enough for the whole building. Besides, there is still a solution for residential uses:

Constantly pumping treated fresh air into a closed room by using the FreshO system will isolate the room completely from asthma triggers and maintain oxygen at the healthy level through out the day.

The FreshO system draws the outdoor air (rich of oxygen) and then treats it through 5 stages: pre-filters, 2 active carbon filters, ULPA filters and using UV-C light. Now, the fresh air is sterilized and as clean as the air in a surgery room.
The FreshO system provides fresh and clean air continuously, increase the air pressure inside the room (called Positive Pressure). Excess air in the room (high pressure) will flow out (to low pressure) through all small gaps, bringing out all indoor pollutants and prevent outdoor pollutant from entering the room. An invisible wall is formed to protect the patient.

How the FreshO system works in specific and all other information about it can be found here.

FreshO machine

  • Unlike typical air purifiers, which only recycle air in a room, the FreshO system not only provides clean air but also enriches the air quality with plenty of oxygen from the outdoor.
  • Built up CO2 in a closed room is the main reason for headaches, fatigue, dizziness and low productivity.
  • The FreshO system is the only one can replace high carbon dioxide (CO2) concentrated air by oxygen (O2) rich air.

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