Health
Holding your breath, low breathing rates may increase your risk of Covid-19, IIT studies say
New Delhi: Holding your breath and lowering your breathing rate makes you more likely to be a novel Coronavirus
According to a study by researchers at the Indian Institute of Technology (IIT) Madras, it contains droplets that are deposited deep in the lungs. Published in the peer-reviewed journal Physics of Fluids, this study paves the way for developing better treatments and drugs for respiratory infections. Coronavirus Illness-19 (COVID-19).
Researchers have focused on several infectious respiratory diseases, including: COVID-19 (new coronavirus infection) (# If there is no character limit, add parentheses when it first appearsLife-threatening humans around the world are transmitted primarily through droplets containing viruses. Dramatic respiratory events such as coughing and sneezing, which produce large amounts of droplets, play an important role in assisting such transmission, they said.
Researchers modeled respiratory rate in the laboratory to better understand how the flow rate of virus-containing droplets determines the deposition of the virus in the lungs. They found that infrequent breathing resulted in longer retention times of the virus, thus increasing the likelihood of deposition and consequent infection.
Multi-scale lung structure has a significant impact on human sensitivity COVID-19 (new coronavirus infection) (# If there is no character limit, add parentheses when it first appearsAccording to a study led by Professor Mahesh Panchagnula of the Department of Applied Mechanics, IIT Madras. “COVID-19 has opened a gap in our understanding of deep lung systemic disease. Our study unravels the mystery behind how particles are transported and deposited in the deep lung,” Panchagunula said. He said.
“This study shows the physical process by which aerosol particles are transported to deeper generations of the lungs. Previous studies by the same group highlighted significant fluctuations in individual aerosol intake, with some people saying. Suggests more reasons More vulnerable to aerosols than others.
Aerial infections such as novels Coronavirus It spreads widely with sneezing and coughing, and quickly releases many small drops of water. A team of IIT Madras researchers, Arnab Kumar Mallik and Soumalya Mukherjee, have studied the movement of droplets in the airways in the lungs, which are small capillaries with a diameter similar to bronchioles, or droplets in the lungs. Imitated the dynamics of. Like the limbs of a tree.
They took water mixed with fluorescent particles and used a nebulizer to generate an aerosol from this liquid. A nebulizer is a medical device that people with respiratory illness can use to administer drugs directly to the lungs. These fluorescent aerosols have been used to track the movement and deposition of particles within capillaries or very small blood vessels.
Researchers have studied the movement of fluorescent aerosol particles in capillaries with sizes ranging from 0.3 to 2 millimeters, covering a range of bronchiole diameters. They found that the deposition was inversely proportional to the aspect ratio of the capillaries. This suggests that the droplets are more likely to deposit in the longer bronchioles.
Researchers at IIT Madras also studied how the “Reynolds number,” a parameter that quantifies the nature of flow (stationary or turbulent), determines deposition in capillaries. They found that if the flow of the aerosol movement is stable, the particles will deposit in the process of diffusion, but if the flow is turbulent, the particles will deposit due to collisions.
Diffusion is the movement of matter from a high concentration region to a low concentration region, while collision is a rapid change in the direction of air.
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