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Doctor insights on: What Will Increase The Partial Pressure Of Oxygen In Lung Alveoli

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What will increase the partial pressure of oxygen in lung alveoli?

What will increase the partial pressure of oxygen in lung alveoli?

O2/ventilation/diet: Partial pressure of oxygen in alveoli is can be calculated using the alveolar gas equation. Oxygen level increases if there is a higher atmospheric pressure (hyperbaric chamber), higher inspired concentration of oxygen (using supplemental oxygen from a tank), lower co2 in lungs by breathing faster and deeper, raising respiratory quotient by eating more carbs, less fat. ...Read more

Lung (Definition)

Deoxygenated blood enters the lungs from the right side of the heart and travels to the lungs. When you inspire, oxygen flows into the lungs, transverses the capilliares and attaches to hemoglobin down a gradient. At the same time, co2 diffuses into the capilaries and is expelled with exhalation. Oxygen rich blood then flows to the left side of the heart and into the ...Read more


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The partial pressures of oxygen and carbon dioxide in alveoli are what compared to their partial pressures in air?

The partial pressures of oxygen and carbon dioxide in alveoli are what compared to their partial pressures in air?

O2 lower, CO2 higher: Simple question, complex & variable answer, including at sea level. Ventilation to different alveoli is continuously being adjusted, under CNS control, so as to approximate blood perfusion. This matching, referred to as vq, is critical to efficient/optimizing lung function & changes with activity, body position, etc. Rbcs capturing o2 & blood plasma for co2 separated by 2 cells from alveolar air. ...Read more

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Does chronic exercisce get the body to adapt and increase the number of alveoli in the lungs?

Does chronic exercisce get the body to adapt and increase the number of alveoli in the lungs?

No : You don't get more alveoli with exercise. But your heart gets in better shape, your muscles get stronger and more efficient at using energy. That's why exercise is so good for you. Keep it up! ...Read more

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Age 26 c/o chest pressure w/ slight SOB for the past 2 wks. O2 sats 94% - 96% consistently. Not sure if serious enough to visit dr or may be anxiety?

Age 26 c/o chest pressure w/ slight SOB for the past 2 wks. O2 sats 94% - 96% consistently. Not sure if serious enough to visit dr or may be anxiety?

Serious enough? : It sounds like the symptoms you describe could result from anything incl mild URI 2 anxiety disorder. It sounds like sxs R quite distressing to you , and have been going on for 2 weeks now. What makes you feel that anxiety is not a serious medical concern? Get into your doc ASAP to establish diagnosis and begin treatment , whatever the diagnosis. If it is anxiety, that's a real medical problem too ...Read more

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Why does smoking cause damage to the cilia, alveoli, and lungs?

Why does smoking cause damage to the cilia, alveoli, and lungs?

Tobacco X: Even in pure organic tobacco when ignited and smoked compounds are present that inflame and eventually can scar the lining of the lungs. Also, one sees compensatory efforts by the lungs to protect themselves. Goblet cells start producing more mucous and that is one reason for smoker's cough being so nasty. By the way nicotine is relatively harmless and can be very helpful even long term. ...Read more

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Is there anything that I can take to increase ease my breathing or increase lung capacity? ( Oxygen Intake capacity) I get extremely winded running.

Is there anything that I can take to increase ease my breathing or increase lung capacity? ( Oxygen Intake capacity) I get extremely winded running.

Get tested: If you in general healthy young person and feel extremely winded - it is good idea to have " PFT's" - pulmonary function test. If you not smoker and have no asthma - depends how much you run? Some normal feeling of being " winded " happen. With increasing fitness and gradual training it can improve. But get evaluated 1 st . Be safe. See your doc. ...Read more

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Does pounding heart or tachycardia increase increase oxygen absorption in the lungs?

Does pounding heart or tachycardia increase increase oxygen absorption in the lungs?

Complex: The heart and lungs work together and respond to each other on many levels. Giving extra oxygen can lower a rapid heartbeat, but the fast heart rate does not necessarily increase oxygen absorption in the lungs. It depends on how fast the heart is beating, why it is beating fast, and the status of the lungs (ie diseased lungs from any cause are not as good at picking up oxygen as healthy lungs). ...Read more

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Left lobectomy for lung cancer 6 mos ago. Non-contact boxing training with personal trainer. Ok to do to increase oxygen level?

Left lobectomy for lung cancer 6 mos ago.  Non-contact boxing training with personal trainer.  Ok to do to increase oxygen level?

By all means: I hope your surgery proves a long-term success and I am very pleased you are getting back into exercise. Whatever form you like is probably right for you. As a ringside physician myself, I wish you the best. ...Read more

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Please explain why no changes in partial pressure of oxygen in the case of anemia hypoxia?

Please explain why no changes in partial pressure of oxygen in the case of anemia hypoxia?

Hemoglobin: Hemoglobin has four ligands to carry o2, i believe usually 2 used.You give o2, has dissolubility, and membrane transport to enter the cells to the hemoglobin, bind and in tissues where there is acid and low o2 tension and other factors are released to those tissues for energy processing. You give more o2 and the o2 in the plasma increases but not in the saturation of the hemoglobin due to above. ...Read more

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I was wondering what are the significance of these values-partial pressure of oxygen, co2, hco3?

Gasses in blood: Partial pressure of oxygen tells how well oxygen gets into the blood if you know how much oxygen you are breathing at the time. CO2 or Carbon Dioxide is a measure of how well carbon dioxide can be released from the lungs into the air. HCO3 or bicarbonate (sodium bicarbonate) is a buffer in the blood that can be altered by acid/base problem ...Read more

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How can hyperpnea affects partial pressure of carbon dioxide and oxygen levels in the blood?

How can hyperpnea affects partial pressure of carbon dioxide and oxygen levels in the blood?

Hyperpnea/tachypnea: The rapid breathing will blow out co2 and lower its level in the blood. This may or may not affect the o2 level depending on the cause of the tachypnea. ...Read more

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Can a sudden increase in blood pressure cause fluid to enter the lungs?

Can a sudden increase in blood pressure cause fluid to enter the lungs?

Pulmonary edema: If the physiology is present in the patient, a sudden increase in blood pressure can cause pulmonary edema. It doesn't necessarily happen in everyone. Not enough space here to explain the physiological reasons. ...Read more

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Is hyperbaric oxygen therapy raise blood pressure?

Is hyperbaric oxygen therapy raise blood pressure?

Usually Not: Hyperbaric oxygen does not usually raise ones blood pressure. If your blood pressure is above normal than it is usually due to some other condition. See your family physician to discuss this. ...Read more

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Dr. Scott Bolhack
3,105 doctors shared insights

Oxygen (Definition)

Oxygen is a gas that the cells in your body need to work properly. The air we breathe normally has 21% oxygen. A maximum of 100% oxygen can be given. Babies with heart or lung problems may need ...Read more