Oxygen Saturation

Oxygen saturation is the extent to which hemoglobin is saturated with oxygen. Normal oxygen saturation is between 96 to 98 %. Arterial blood gases and pulse oximetry are used to measure oxygen saturation.

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My mother's oxygen level fluctuates, her breath intake is less and she exhales quickly. Is it due to a cardiac cause or hypoventilation?

Query: Hello doctor, I measured my mother's oxygen via a finger oximeter. It fluctuates from the high 80s to mid-90s though the shortness of breath is not readily evident. I will have a telephone consultation with the doctor next week, but I think her heart is weakening. The other issue I noticed this last...  Read Full »


Dr. Sagar Ramesh Makode

Answer: Hello, Welcome to icliniq.com. Low SpO2 (saturation of peripheral oxygen) without apparent shortness of breath suggests the possibility of OSA (obstructive sleep apnea) or hypoventilation rather than the cardiac cause. Such patients tend to have chronic hypoventilation and low SpO2, so they tolera...  Read Full »

My SpO2 reduces to 93 to 95 % when I lie down after being diagnosed with COVID-19. Are my lungs affected?

Query: Hello doctor, I was diagnosed with COVID-19 two days ago. I have a cough and fever between 37.5 degrees Fahrenheit to 38.5 degrees Fahrenheit. My SpO2 is 97 to 99 % when I am sitting or standing. However, it reduces to 93 to 95 % when I am lying down. Are my lungs affected? Should I consult a docto...  Read Full »


Dr. Geetha S

Answer: Hello, Welcome to icliniq.com. Are you having any difficulty in breathing? I suggest you walk continuously for six minutes and then check the saturation at the end of six minutes. If it is less than 95% or you have difficulty breathing, consult a nearby doctor immediately. Cough and tiredness are ...  Read Full »

Why do I feel sick for two days even after testing negative for COVID-19?

Query: Hello doctor,I have been sick recently for two whole days and have symptoms that are flu-like or COVID-like. I took the test, but it turned out to be negative, but I am still feeling very ill, so I am guessing that I have the flu. What do I do if I cannot go back to work due to all the symptoms I am...  Read Full »


Dr. Basuki Nath Bhagat

Answer: Hello,Welcome to icliniq.com.I understand your concern. It is good to read that the COVID-19 test turned out negative. Most probably, you would be having symptoms like body ache, headache, sore throat, fever, dry cough, etc. Similar symptoms are observed in COVID-19 also, but you have done RT-PCR (...  Read Full »

Why do I have nail clubbing?

Query: Hello doctor, Does this look like an early nail clubbing? I came across something on the internet and started looking at my nails. I did a Schamroth test and I have a very small window. I am a bit concerned.  Read Full »


Dr. Sanjib Kumar Sahu

Answer: Hello,Welcome to icliniq.com.Nail clubbing is present if oxygen saturation is low or if there is an increase in reduced hemoglobin for a long time.All clinical tests like Schamroth have its own drawback.So do not rely on Schamroth.Clubbing can occur without any disease.You need to get one arterial b...  Read Full »

Why is a 28-year-old not able to breathe off the ventilator?

Query: Hi doctor, My query is regarding a female patient aged 28 years. She has been on ventilator by means of a tracheostomy for 50 days. She has been on CPAP mode for two weeks, but unable to sustain respiration off the ventilator. Please help.  Read Full »


Dr. Amol Kumar Wasudeorao Diwan

Answer: Hello, Welcome to icliniq.com. Young female on prolonged ventilator through tracheostomy and having difficulty in weaning is considered to be a very bad prognosis. You have not mentioned proper medical history, indications for ventilation and under which medications she is on. There are ...  Read Full »

Is it necessary to check oxygen saturation in a dyspnea patient?

Query: Hello doctor, Is it necessary to check oxygen saturation if the patient is on oxygen for shortness of breath?  Read Full »


Dr. Amol Kumar Wasudeorao Diwan

Answer: Hello, Welcome to icliniq.com. As you said that patient needs oxygen for shortness of breath, it is absolutely not required to measure the oxygen saturation all the time. But, if dyspnea (shortness of breath) is due to COPD (Chronic Obstructive Pulmonary Disease) that is due to excessive smoking,...  Read Full »

Why do I heavy congestion even after using inhalers?

Query: Hello doctor, I have been to doctor three times in the last two months and was prescribed many medications. But, I am simply not getting any better. Initially, I went in for respiratory issues. I had a terrible hacking cough and was literally using my Ventolin Inhaler more than I should. As I am ast...  Read Full »


Dr. Sadaf Mustafa

Answer: Hi, Welcome to icliniq.com. There are few important points to consider. You should not be using the nebulizer or rescue inhaler that often. You should be on inhaled steroid for asthma like Advair (Fluticasone and Salmeterol). Please take Montelukast 10 mg daily. Also you would ben...  Read Full »

Why does my oxygen saturation level go down if I reduce the steroid dose?

Query: Hi doctor, Before 7 years, I was affected by chronic HP. From that time, I am in oxygen therapy and steroids 4 mg. My doctor told to taper them and stop so as per his advice I slowly tapered the dose of steroids and stopped it finally. When I stopped it, I cannot able to move or walk and also my sa...  Read Full »


Dr. Amol Kumar Wasudeorao Diwan

Answer: Hello, Welcome to icliniq.com. Hypersensitivity pneumonitis or HP is a type of interstitial lung disease. It is a chronic type of lung disease and treatment usually runs longer, especially with steroids and immunosuppressive drugs. As you said, you are taking steroids in tapering dose but...  Read Full »

Can a person with CT lung changes due to COVID pneumonia travel?

Query: Hi doctor, This is regarding my father’s medical condition. I want to know is he in a serious condition or is he good to travel. He had the same cough problem for the past two months and was treated by different doctors. Once the medication is done, then the cough started again. At last, he took a...  Read Full »


Dr. Muhammad Zubayer Alam

Answer: Hi, Welcome to icliniq.com. According to your statement, your father has been suffering from a continuous cough for the last two months. According to the CT (computed tomography) scan of the chest (attachments removed to protect the patient's identity), bilateral interstitial thickening was noted...  Read Full »

Why did the doctor ask me to use a pulse oximeter for my father, who is diabetic and was diagnosed with COVID-19?

Query: Hello doctor,My father is diabetic and was diagnosed with COVID-19. The doctor asked me to use a pulse oximeter to check his oxygen levels. Why does a COVID-19 patient need a pulse oximeter? What is the normal pulse oximeter range, and how should I use it?  Read Full »


Dr. Kaushal Bhavsar

Answer: Hello, Welcome to icliniq.com. I can understand your concern. A pulse oximeter helps check blood oxygen levels. COVID-19 patients develop hypoxia when the infection is severe and damages the lungs. We need a pulse oximeter to check the patient's hypoxia or oxygen levels. The normal range of oxygen s...  Read Full »

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