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National Heart, Lung, and Blood Institute

National Heart, Lung, and Blood Institute
213 Answers54 Followers8,522 Helpful Answer Votes
 

Contact

Telephone:
Address:
301-592-8573
31 Center Drive MSC 2486
Bethesda, MD 20892
 

Organization website: www.nhlbi.nih.gov

 

Questions & Answers

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National Heart, Lung, and Blood Institute
Usually, the first sign of sudden cardiac arrest (SCA) is loss of consciousness (fainting). At the same time, no heartbeat (or pulse) can be felt...
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National Heart, Lung, and Blood Institute
Major Signs and SymptomsOne of the most common signs of obstructive sleep apnea is loud and chronic (ongoing) snoring. Pauses may occur in the...
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National Heart, Lung, and Blood Institute
Obstructive sleep apnea is a common condition. About half of the people who have this condition are overweight.Men are more likely than women to have...
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National Heart, Lung, and Blood Institute
When you're awake, throat muscles help keep your airway stiff and open so air can flow into your lungs. When you sleep, these muscles relax, which...
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National Heart, Lung, and Blood Institute
The main symptom of insomnia is trouble falling or staying asleep, which leads to lack of sleep. If you have insomnia, you may:Lie awake for a long...
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National Heart, Lung, and Blood Institute
Secondary InsomniaSecondary insomnia is the symptom or side effect of another problem. This type of insomnia often is a symptom of an emotional...
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National Heart, Lung, and Blood Institute
Insomnia (in-SOM-ne-ah) is a common sleep disorder. People who have insomnia have trouble falling asleep, staying asleep, or both. As a result, they...
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National Heart, Lung, and Blood Institute
Most people who have narcolepsy have low levels of hypocretin. This is a chemical in the brain that helps promote wakefulness. What causes low...
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National Heart, Lung, and Blood Institute
Many of the signs and symptoms of obesity hypoventilation syndrome (OHS) are the same as those of obstructive sleep apnea. This is because many...
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National Heart, Lung, and Blood Institute
Obesity hypoventilation syndrome (OHS) is a breathing disorder that affects some obese people. Why these people develop OHS isn't fully known...
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National Heart, Lung, and Blood Institute
The main risks of blood tests are discomfort and bruising at the site where the needle is inserted. These issues usually are minor and go away...
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National Heart, Lung, and Blood Institute
Blood tests help doctors check for certain diseases and conditions. They also help check the function of your organs and show how well treatments are...
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National Heart, Lung, and Blood Institute
Bone marrow tests are safe for most people. Complications are rare, but can occur. For example, some people develop bleeding or infections.To prevent...
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National Heart, Lung, and Blood Institute
Bone marrow tests show whether your bone marrow is making enough healthy blood cells. If it's not, the results can tell your doctor which cells are...
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National Heart, Lung, and Blood Institute
Echocardiography (echo) shows the size, structure, and movement of various parts of your heart. These parts include the heart valves, the septum (the...