Low blood oxygen levels
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- Опубліковано 31 тра 2024
- Today’s video is on the subject of blood oxygen levels and in particular causes of low oxygen levels. Since the start of the COVID pandemic, many people have invested in pulse oximeters which are a non-invasive way of telling you how much oxygen is in the blood. This is called oxygen saturation and is usually a percentage and normal value range between 94-100%. The way the pulse oximeter works is that it shines 2 lights throug your fingertip - one red light and one infra-red light. Blood contains lots of oxygen will absorb more infrared light and let more red light pass through it. Blood that does not have as much oxygen will absorb more red light and let more infrared light pass through it - and this way the oximeter can work out how much oxygen is present in the blood. This is great if you have normal oxygen saturations but what does it mean if the oxygen saturations are low and what mechanisms cause low oxygen saturations and this what i will try and discuss in today’s video.
Oxygen is an essential element for life and without oxygen, humans can only survive for a few minutes before their vital tissues start suffocating and dying. It is therefore vital that there is adequate oxygen available to the tissues at all times and that there is the ability within the body to match any extra demand with extra supply of oxygen.
The 2 main systems that are responsible for maintaining this balance between supply and demand are the respiratory system and the cardiovascular system.
The respiratory system which consists of the airways and the lungs are responsible for getting air from the atmosphere into the body and loading our blood cells with oxygen and the heart is responsible for pumping that blood around and into our vital organs where the oxygen is unloaded and used by our tissues. If either the lungs or the heart start malfunctioning then our tissues may not get the amount of oxygen that they need and therefore start suffocating and dying.
The term for having less oxygen in the blood which is predominantly a function of the lungs and the blood supply to the lungs is termed hypoxemia.
The term for having less oxygen in the tissues which is a function of the lungs, the heart and the blood vessels supplying those tissues in hypoxia.
Whilst it is reasonable to assume that hypoxemia - less oxygen in the blood will lead to hypoxia, it is important to understand that hypoxemia and hypoxia are not synonymous i.e there are situations where you may have less oxygen in the blood but the tissues may still get the amount of the oxygen that they need. This happens for example with altitude training. Here there is less available oxygen and therefore less oxygen is loaded onto each blood cell but people who have adapted to this will have increased the amount of blood cells and their cardiac output and therefore even though each cell is loaded with less oxygen, there are more cells and therefore the tissues get the amount of blood they need.
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Dr Sanjay last week my divorce was finalized and l haven't slept good in 3yrs and was on a cpac machine. And each night since my divorce l have been sleeping more and last night l got 7hrs of sleep. Hallelujah!!! And l haven't felt any heart pain.. Can't wait to see my cardiologist to tell him the good news. Stress and Abuse can also affect the heart and insomnia. Love listening to you explain about the heart. Blessing to you and your family.
Thank you for this informative video. I believe my husband has low Oxygen saturation. For two years he has been unable to walk more than 15 ft without becoming out of breath and his Oxygen levels drop into the 70’s. As soon as he sits down the levels come back to normal above 95% oxygen. I figured this out myself and have not been able to explain it to the doctors. He now has CHF and spent 2 weeks in the hospital because of fluid overload. I tried to explain the problem to the cardiologist at the hospital, but he ignored me. My husband is a 100% disabled vet and the VA tries to care for him, but I fear they are failing him. I fear My husband will pass away before I can get him help. Thanks to this video, I can now explain the problem my husband is having and show them the video. You sir are a god send.
I am a patient at York Cardiology and have been for a number of years. Dr Gupka is great. I really enjoyed this informative video.
Thank you for a clear refresher. I am a retired critical care RN and everything you said was very easy to understand and an excellent reminder of knowledge I had forgotten.
This man is the Mr. Rogers of medicine. This is an entire educational show and I love it
Is he the son of Sanjay Gupta from fox news and who used to be on the CCTV monitors in clinics before fox? He looks a little old to be his son but if it's him he should use Jr. to avoid confustion. Maybe the name is common in his culture? Cuz I know this isn't THE Sanjay Gupta I used to watch daily.
@@SweetPollyPureblood Don't rely on Fox News for reliable news please ...
@@GmeansG WHAT? Who said I watch Fox news? I haven't watched that since 2010! Thanks mainly to Shepard Smith. Couldn't stand him and the other anchors yelling at the guest segments.
Haha
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Thank you doctor. I've been following you for many years now. You're a gift to humanity🙏🥰
Agree
@@dnaunleashed6636 a virtual stalker😃
You are a heart doctor with a true heart. Thank you
My God. You’re a professor in cardiology, in 14 minutes covered the subject more than 100% with even small details that are unnoticeable ex. Fingernails polish.
I really wish my cardiologists would give me even 20% info of during my visits.
Thank you prof.
Thank you more than I can say - your information has helped me understand how and why my life partner (Of 75), died of one of these conditions which the Specialist described as a form of pneumonia. He was falling asleep regularly over the few days before he was admitted, but had no coughing or other distress. She described it as "the old man's gift", and he died peacefully only on oxygen - no ventilator as we had agreed not to have any artificial support. A very clear and understandable explanation - thank you.
That was needed to be told about oxygen meters. Well said. You are the most helpful person. I WISH YOU HEALTH ALWAYS.
87 years old. I do breath work first thing every morning. 98% O2.
Thank you, Dr., for this interesting information.
I need to start. Thank you and great job.
Thank You Both So Much
As a heart patient, your information is extremely valuable. Even though my cardiologist is at Mayo Clinic, that doesn't mean they know everything and most are too busy to spend extra time answering "mundane" questions. I end up coming home having to "google" different terminology. You have clarified so much information and you are truly appreciated. Thanks so much for your time and knowledge.
I've trained myself to breathe deeply through the nose instead of the mouth at all times for higher O2 readings. Thank you doctor for another excellent video.
Ive never been able to swim even the length of the pool as a child, and being around a body shop as an adult is not helpful. Ive made it to 76 and have dealt with not sleeping at night by spelling in my tummy a bit to make a deep breath. Works for now.
Walking 30mins every day really helps with oxygen 😊
@@brendaclementd9907it will long term?Why?
Youre the best cardiologist and very down to earth. Please, keep it up Doc.We appreciate all the information that you have provided us and they' re very useful and applicable on a daily basis. Thank you so much!!!
Thanks n educational
Wow. Perfect timing. So much confusion about it, and some health care workers do not take the readings seriously. 🙏 😊
Thankyou for ending my confusion. My partner was in the throes of a heart attack and whilst waiting for the ambulance, I tested his oxygen saturations, they were 99. I was so confused. He had a thrombus. It s clear now, thankyou.
I am sure every one in the world knows what is V-Q mismatch.
No need to explain at all.
Kudos for such formidable insight
Thank you for posting this. I am 80 years old and have been looking for this information for most of my life and now you have finally explained blood pressure in an understandable way.
Thank you Dr. Gupta for the informative discussion. As a retired FP Doc I look forward for your talks to keep learning.
What a peaceful man, like you already. Thank you for kindness.
Thank u Dr. Sanjay i had a heart attack 1 month ago. U hv helped me to understand what happened to me through yr teachings. Indeed u are an educator in cardiology. May God continue to bless u beyond measure🙏♥️
So sorry to hear of your heart attack. Glad you made it through . What were some of your symptoms?
Thank you, Sanjay. The explanations in your videos are immensely helpful. Your integrity and desire/dedication to genuinely help people is inspiring. --Elliott
Thank you for the explanation of difference between hypoxia and hypoxaemia...have never been asked to get out of breath for the definitive reading.
Thanks so much Dr. You are the best and I have learnt so much in a few minutes. Now I know my troubling condition. I wonder if I have the device near me. Will check . Thank you be blessed
It is so interesting to hear you explain everything so well. As a cardiac patient I am grateful for the knowledge that you are providing me that I otherwise would never have the opportunity to learn. Thank you so much.
A dedicated student.
Jim
thank you so much for all your videos and dedication to us folk out here. as an old cardio patient it just wonderful to get an education in what we face each day.
I have small red blood in my bone marrow doesn't work right I take a lot of iron to build up my blood cells but they're still little and yes I have problem with my oxygen
Thank you again Dr! So helpful and well explained. I am a new owner of a pulse oximeter and living at 6000’ elevation and found this video very helpful. Have a great 2022!
This was very clear and helpful! Thank you for taking the time to make this video
Happy New Year - as always, thank you so much for your insights they have made a lot of difference to me and my convoluted health problems. Good to see you looking well again.
I ditched my cardiologist for you, sir! I've been a student of your channel for several years now. Thanks for another great and thorough video. 🙏
Bruh I agree these doctors suck!!!
The problem with the doctors in the US is that they don’t want to continue research or clinical. They don’t attend summits to learn more to understand their patients. It’s as if we have to teach the doctors everything…like help treat us doctors. No extra education given after they graduate besides the basics…it’s sucks and hearts my heart that they put in so much years to not really understand the human body. This doctor is the brain 🧠 the true source…can you move to the US and change the ignorant minds . ❤❤❤ we love you sir
Still follow this chap. A couple of years after mild myo. His videos kept me calm and topped me up with knowledge. It’s such a interesting subject
My hero Dr. Gupta who takes time out of his life to educate the greater public! I'm not sure how much he knows how much he helps!
Thank you again, Doctor! All good wishes and blessings to you and yours (including Bluebell Gupta of course!) in the year ahead! I don't know if you realise how grateful so many of us are for your information and presence in our lives.
All u Doc oz fans, whaddya think?😛😄😆🤔🤪🤪🤪
Oz is an entertainer, not a gifted physician.
This was so extremely helpful, especially at this time. You are an amazing humanitarian, beside being a very knowledgeable physician, and I truly admire your dedication to medicine and your fellow human beings. I wish you a peaceful and healthy year ahead and always.
Yeahh, my physician has no idea about all this...strange....
Thank you Dr. I only hope my new cardiologist is as knowledgeable and as wise and experienced as you!
Doctor very interesting conversation what diet do you recommend to someone with low blood pressure what good should one avoid
The newest therapy from Germany: Vital Air 5+ device !
Happy and healthy new year to you and yours.. Your videos are always educational and extremely useful for everyone including front line health care professionals. You are one in a million. All your patients are so lucky to have you.. 🤗
Best doktor. If world have more people like him we can made better life for everyone.
Thank you for your explaination, I was diagnosed with moderately severe hypoxemia and now understand why I also had a high blood count.
Much appreciated.
I look forward to watching your videos. Thank you for taking the time to educate me. 🙏🏼❤️
This was so useful. I thought I had heart problem but I’ve just been diagnosed with dysfunctional breathing pattern which causes me to hyperventilate on exertion. This video explained it so succinctly. Thank you
Happy new year to you Dr. Sanjay! This session is so valued, Im a patient who had many faintish moments, this talk is so important for patients like me, I thankyou whole heartedly.
Thank you wonderful Doctor. With you recommended magnesium that I have been taking for years now, I no longer have mitro valve prolapse, heart murmur. You, among others are a gift to mankind. My heart thanks you.
Thank you for sharing this information. It explains a lot about our health, and use of oxygen in our body.
I have a prolapse. Any advice
Thank you Doctor, your videos have been so helpful for me:) Keep up the good work!
Happy New Year 🥳 to you and yours … Thankyou for being you- and helping us all 🙏🦋🦋
Excellent, layman’s terms helps us all to understand this medical problem. Thank you Doctor for this excellent video.
Thanks for the Information, I have just ordered a pulse oximeter and your video has helped me to understand the readings and what they may indicate. Wishing you a Happy and Healthy New Year.
Thank you so much! We have a pulseometer here at home because our son had tracheamalacia due to a tracheostomy in ITU 25 years ago in itu (after a head injury on a bike). I never knew those differences in readings but luckily a great Consultant thoracic surgeon at the Royal Brompton fitted a y-shape silicone stent until the damage healed so they removed it and he's now been fine for six years breathing normally. Fingers crossed. I also have been told that the heart rate on a pulse oximeter reads very low if someone is having PVCs or Afib. Bit scary. Thanks again
Happy 2022!! Thank you for the medical knowledge you share. Your time is so appreciated and helpful. The content is made simple for lay people to understand. Thank you and God bless!
Thanks for your time to educate us! ❤
I first discovered your reassuring videos about 13 months ago when I was diagnosed with paroxysmal a fib. I’m 54 and otherwise in good health. Touch wood, I haven’t had any episodes since but I find myself following you on UA-cam now, even when the subject doesn’t apply to me. I’ve become a big fan of yours, you really have been a strength to me and I can’t thank you enough 👍🏻
Hey whet did you do to get relif from afib?
@@travissingh6090😂😂
Thank You for explaining this subject!
Thank you so much Doctor! You are an amazing educator and explainer.... clear and enough detail so I can understand the mechanisms well. After watching your videos I always come away with a basic working understanding of the topic.
Have a Grand and Happy New Year!!
God bless
I absolutely love your content. You are the bomb!
Thank you for educating us.
Excellent teaching at a level that a non-medical person can understand. I always take notes when I watch your videos. Thank you so much, Dr Sanjay!
Thank You Sanjay for being a caring Doctor enough to even take time out of your day to share your thoughts and wisdom on this forum. I loved your explanation on Hypo/Hyper poxes
Happy New year Doctor to you and yours.
Thank you for another important video.
Einstein of cardiologist you are Mr Gupta God bless you for sharing you knowledge with fellow humans.
Loved it Dr.Gupta.so educative,crisp n to the point
Excellent video as usual. Thank you.
You are an absolute powerhouse of information and knowledge Dr. We are indebted to you. And, why do you never seem to age, tell us your secret...lol
Thank you for a concise overview of the pulse oximeter technology.
Thank you Dr it's always been good to hear from you
Very many thanks indeed Mr Gupta, I needed that explanation and you were extremely informative and helpful! Very many thanks for all your wonderful videos and - your time!
Thank you Doctor. I have learned so much from this video. Ill keep an eye out for my elderly Mother with better understanding.
I have one I have COPD and I actually said exactly what you said to my doctor and I had also checked my BP he definitely checked my heart listened very carefully.
Thank you for providing extremely helpful information 🙏
Much thanks Doctor. I'm grateful for your help.
Excellently explained, Sir! And helpful to us in its thoroughness. Fine reference video.
thank you for caring enough to make the complexities of the body and problems in health and healthcare more clear. best wishes for your 2022, may it be the best year yet!
Thank you. Well explained. Happy New year. God bless you
Sanjay always does a wonderful job explaining such complex issues into ways that us common people can understand. I have had low oxygen levels for some time. My readins will vary but mostly they fall between 91 and 94 and tend to be that low when i lay down. I feel that when i lay in a position that pushes on my lungs directly, it causes low oxygen level. Had a sleep apnea test and it came back fine. I keep bringing these low oxygen levels to my cardiologist's attention and they don't seem to think it's a problem. I disagree.
Maybe watch his video on pots and dysautonomia ua-cam.com/video/retGCkEuE5A/v-deo.html
@@Lolly8863 What I found out(which is very limited in scope) is that because I had been suffering from a GI tract issue, I was constantly bloated. This would cause my lungs 🫁 to have increased pressure from those organs(stomach & large intestine) which would affect my lungs from being able to fully expand. This was more prominent at night when I layed due to my body weight. I couldn't lay on my stomach or sides anymore and ONLY my back when I sleep. Laying on my back allowed my lungs to fully inhale and exhale without obstruction.
Great video, thanks Dr. Gupta👍
Thank you so much for all the valuable information. You have helped me so much. Have a healthy & blessed 2022 for you and our family.👍🤛🙌🙋♀️
I had muscle spasms for years that were instantly resolved with 10 minutes on an O2 concentrator. O2 always showed at 96 or above during the day but severe untreatable speep apnea at night that I guess wasn't fixed during the day for some reason. It also kept me from building muscle which also resolved with 10 min of O2 per day.
Excellent lecture. Your explanatory skill is exceptional. To My knowledge no one has covered this topic and I don't know why because it's a common issue so that makes your video stand out
Doctor you make this so understandable Thank you for being you ..... sending love and light to you and Bluebell ....God Bless
Extremely helpful. Thank you.
Thank you for the education, Dr. Sanjay.
Thank you! This is so informative.
You are a marvel, doctor!!! God be with you. Always! 🙏🙏
Thank you for sharing your knowledge, experience, and your time to create this content.
Thank u for the info Dr. Sanjay Gupta.
Thank you so much for sharing your knowledge.
Thank you for sharing you extensive knowledge with us. You have a warm calming voice with a wonderful accent. The information you share is vital to me as I have had two Heart Attacks.
You have helped me in so many ways and so many times. Thank you.
Thank you for this great information!
Thanks for your work!
Thank you so very much for sharing your knowledge with us. God bless you and yours with optimal health and longevity. 💙
Thank you for your well informed film. Just to let people know, I bought an oxygen reader from Argos for about £20. I still use it today. I am on extra oxygen (from December 2020) because of my heart condition since birth. For a few years I was on 91, until I receive extra oxygen. Generally, my oxygen can range from 86 to 93, with or without my added oxygen. I had TGA, Balock (?) and Mustard procedure. As an adult I have had balloon procedure, where the doctors enlarge an archery (I think). Hope this information is not too boring for you.
No it’s not boring. We learn from each other in this chat. Thanks for sharing and hope you are doing good.
Thank you very much for your time and expertise, helping to educate in a way that makes sense. It is very appreciated by all Med/Physio/Nursing students, Qualified Health professionals and patients. Your a wonderful educator ❤
Excellent Dr. Thank you!
Incredible information. You are amazing. Many thanks for all you do.
Happy and beautiful new year ahead docteur Gupta !!
Best Wishes to you... and thank you. Sending love from Sydney, Australia.
Well said doctor I am glad you mentioned covid my husband nearly died oxymiter helped me to check his oxygen level , his level was 73.
Did he go to the ER? I hope he is fine now. My husband had a similar reading when he had c19.
@@bingm8109 he was very poorly , yes he did oxymiter , oxygen i. The bed before hospital saved his life , I thought he had stroke , he was confused and talked nonsense well scary time behind us but the result of postcovid still there nearly 1 year and he didn’t return to work … kind regards
Interesting stuff. I am a scuba dive; I had a shunt 5 years ago. It was caused by a PFO, a hole in the heat; it manifested as a bend. I was in the pot for a week. I had the hole closed, and I am now back to full diving.
Very useful video and so well explained. Thank you.
another good one Sanjay, thank you
Thank you for addressing this topic. My blood oxygen gets low and I’ve been struggling to understand it.
Always interesting.
Happy & healthy 2022 to you & yours. 🎶
Thank you so much for this information Dr. I will be calling my doctor very soon.
Very useful information, all mechanisms made crystal clear. Thank you soo much. Lots of love from India❤️
Very informative. Thank you Doctor