Archive for the tag: Explained

Hepatitis B: Explained

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As the most common liver disease in the world, Hepatitis B is a life-threatening liver infection caused by the hepatitis B virus, or HBV. It can cause chronic infection and put people at a high risk of death from cirrhosis (scarring of the liver) and liver cancer. In 2015, 257 million people were living with a chronic form of hepatitis B, and almost 900,000 people died from it. In this video, you’ll learn a bit about the background of hepatitis B, its symptoms, transmission, molecular mechanism, prevention, and treatment!

This video was made by McMaster University Demystifying Medicine students Julie Cho, Saad Ahmed, Vivek Parmar, Anisa Rana, Barjot Gill.

Copyright McMaster University 2021.

References:
Boni, C., Fisicaro, P., Valdatta, C., Amadei, B., Vincenzo, P. D., Giuberti, T., . . . Ferrari, C. (2007). Characterization of Hepatitis B Virus (HBV)-Specific T-Cell Dysfunction in Chronic HBV Infection. Journal of Virology, 81(8), 4215-4225. doi:10.1128/jvi.02844-06

Hepatitis B Foundation. (2020). What is Hepatitis B. https://www.hepb.org/what-is-hepatitis-b/what-is-hepb/

Janeway C. et al. Immunobiology: The Immune System in Health and
Disease. 5th edition. New York: Garland Science; 2001. T cell-mediated cytotoxicity. Available from: https://www.ncbi.nlm.nih.gov/books/NBK27101/

Lumley SF, McNaughton AL, Klenerman P, Lythgoe KA and Matthews PC (2018) Hepatitis B Virus Adaptation to the CD8+ T Cell Response: Consequences for Host and Pathogen. Front. Immunol. 9:1561. doi: 10.3389/fimmu.2018.01561

Oh, I., & Park, S. (2015). Immune-mediated Liver Injury in Hepatitis B Virus Infection. Immune Network, 15(4), 191. doi: 10.4110/in.2015.15.4.191

Schuch, A., Hoh, A., & Thimme, R. (2014). The role of natural killer cells and CD8+ T cells in hepatitis B virus infection. Frontiers in immunology, 5, 258. doi: 10.3389/fimmu.2014.00258

Seeger, C., & Mason, W. S. (2015). Molecular Biology of Hepatitis B Virus Infection. Virology, 0, 672–686. https://doi.org/10.1016/j.virol.2015.02.031

WHO. (2020). Hepatitis B. https://www.who.int/news-room/fact-sheets/detail/hepatitis-b

Ye, B. et al. (2015). T-cell exhaustion in chronic hepatitis B infection: current knowledge and clinical significance. Cell Death & Disease, 6(3), e1694-e1694. doi: 10.1038/cddis.2015.42
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What is the hepatitis virus? Well, the hepatitis virus invades liver cells and causes inflammation in the liver tissue. There are five known hepatitis viruses—hepatitis A, hepatitis B, hepatitis C, hepatitis D, and hepatitis E, all of which have slightly different presentations, symptoms and severity. Find more videos at http://osms.it/more.

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THE CHRYSALID VIRUS | Resident Evil History + Mutagenic Effects | EXPLAINED

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Resident Evil (known in Japan as Biohazard) is a media franchise created by Shinji Mikami and Tokuro Fujiwara, developed by Capcom.

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Hey there folks!! My name is Niyat and this channel was created to assist in answering all your questions about Films, Comics, Games and Popular culture in a fun and engaging way!

#TheChrysalidVirus #ResidentEvil6

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Disclaimer: I do not own rights to any of the source materials I used in this work, appealing to allowance made for “fair use” purposes such as criticism, comment, news reporting, teaching, scholarship, and research, under Copyright Disclaimer Under Section 107 of the Copyright Act 1976.
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Optical Heart Rate Monitors Explained

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Optical Heart Rate Monitors Explained

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In this video, I Explain the key differences between Chest Strap Heart Rate Monitors and Optical Heart Rate Monitors. This information will help you find out, which Heart Rate Based Wearable is right for you. Hope this information was helpful. Enjoy!

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Optical Heart Rate Monitors:
Fitbit Surge
http://amzn.to/1IV3kFW

Garmin Forerunner 225
http://amzn.to/1ICr5w5

Gear Fit
http://amzn.to/1M1USnf

Chest Strap Heart Rate Sensors:
Polar H7
http://amzn.to/1IV3A7Z

Garmin Premium Heart Rate Monitor
http://amzn.to/1SFBYIh

Papago GH-100
http://amzn.to/1M8kHno

Other:
LifeBeam Smart Hat
http://amzn.to/1Dmheie

Sources:
http://www.cnet.com/news/how-accurate-are-wristband-heart-rate-monitors/

http://www.digitaltrends.com/wearables/whats-inside-fitness-tracker-anyway/
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Some of the links used in the description will direct you to Amazon, as an Amazon Associate I earn commission from qualifying purchases at no additional cost to you.
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Sports Injuries Explained

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In this overview, Dr. Bryan Saltzman, MD, of OrthoCarolina Sports Medicine Center highlights what he sees in his practice when it comes to sports injuries and what your next steps might be moving forward when consulting an orthopedic surgeon.

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How Do Fitness Trackers Measure Heart Rate? | Photoplethysmography Explained

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How Do Fitness Trackers Measure Heart Rate? | Photoplethysmography Explained

How do fitness watches and smartwatches like the Apple Watch , Fitbit and Biostrap measure heart rate and heart rate variability?
How Smartwatches measure heart rate?
Why does Apple Watch and Fitbit have a green light on the back?
what are the green lights on the back of an apple watch ?

Please watch the full video, it’s a Heart Rate Monitor Review video.

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Fitness tracker like the Apple Watch, Fitbit and Biostrap measure heart rate ( heart rate monitor ) and other health data using a technology called Photoplethysmograhy or PPG.

Photoplethysmography works via an optical sensor in your watch that shoots either a red or green light onto the surface of your skin.

When this light reaches your blood vessels, some of this light is reflected back to a photodetector on your watch. The intensity of light reflected back captures a waveform of the amount of blood in your blood vessel.

Who Use What:
Apple Watch green light and
Fitbit blaze green light PPG
but Biostrap red light PPG to measure clinically accurate advanced biometrics like heart rate variability and oxygen saturation.

If you have any questions feel free to drop a comment below!

Dr. Yo
ECA Wellness

Home – New

How do a Smartwatch Work | Heart Rate Monitor Review | How Does Fitbit Work

Home – New

#Photoplethysmography
#HeartRateMonitor

Relevant Videos :

1. Biostrap Review : Best Fitness Tracker

2. What is VO2 Max ?


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How do a Smartwatch Work | Heart Rate Monitor Review | How Does Fitbit Work
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Explained! Computer Viruses

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In this video JackkTutorials explains what kinds of computer virus there are
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