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            NHLBI’s health topics provide information to help you learn more about heart, lung, blood, and sleep conditions, diagnostic tests, and treatments.
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          Displaying **8 out of 102** results
        
      A
    Condition
      

      Acute Respiratory Distress Syndrome
  
  

  Acute Respiratory Distress Syndrome (ARDS) is a serious lung condition that causes low blood oxygen levels.
    Condition
      

      Alpha-1 Antitrypsin Deficiency
  
  

  Alpha-1 antitrypsin deficiency is an inherited condition in which the body does not make enough of a protein called alpha-1 antitrypsin. This raises the risk of lung diseases such as COPD.
    Condition
      

      Anemia
  
  

  Anemia is a condition in which the blood has a lower-than-normal amount of healthy red blood cells.
    Condition
      

      Angina (Chest Pain)
  
  

  Angina is chest pain or discomfort that happens when an area of the heart does not get enough oxygen-rich blood. It is a common symptom of heart disease.
    Condition
      

      Antiphospholipid Syndrome (APS)
  
  

  Antiphospholipid syndrome (APS) is an autoimmune condition that causes abnormal blood clots to form in the blood vessels.
    Condition
      

      Aortic Aneurysm
  
  

  Aortic aneurysms are balloon-like bulges that occur in the aorta, which carries blood from your heart to the rest of your body. An aneurysm that bursts is a medical emergency.
    Condition
      

      Aplastic Anemia
  
  

  Aplastic anemia is a condition in which bone marrow does not make enough new blood cells for the body’s needs.
    Condition
      

      Arrhythmias
  
  

  An arrhythmia, or irregular heartbeat, is a problem with the rate or rhythm of your heartbeat. Your heart may beat too quickly, too slowly, or with an irregular rhythm.
  
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                  Resources


Clinical Trials
      
            The NHLBI leads and supports many clinical trials to help find new ways to prevent, detect, and treat heart, lung, blood, and sleep disorders.
      
    
            Find NHLBI clinical trials that are currently enrolling participants.


Fact Sheets and Handouts
      
            The NHLBI develops materials for patients and health professionals on many heart, lung, blood, and sleep conditions. Information from the NHLBI is based on the latest scientific findings.
      
    
            Explore the NHLBI’s publications and resources. Back To Top Link
  

        

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