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Results 1 - 10 of 2,936 for Block
  1. Heart block is a problem in the electrical signals in the heart. Normally, the heart beat starts in an ... keeps the heart beat steady and regular. Heart block occurs when the electrical signal is slowed down ...
  2. Progressive familial heart block is a genetic condition that alters the normal beating of the heart. A normal heartbeat is controlled by electrical signals that ...
  3. A pacemaker is a small, battery-operated device that senses when your heart is beating irregularly or too slowly. It sends a signal ...
  4. An epidural block is a numbing medicine given by injection (shot) in a specific place in the back. It numbs or ... the pain of contractions during childbirth. An epidural block may also be used to reduce pain during ...
  5. Nerve Blocks (American College of Radiology) (Radiological Society of North America)  
    Current and accurate information for patients about nerve blocks. Learn what you might experience, how to prepare ...
  6. Bundle Branch Block (Mayo Foundation for Medical Education and Research)  
    Arrhythmia/Specifics ... Arrhythmia ... Mayo Foundation for Medical Education and Research
  7. ... an abnormal rhythm (arrhythmia) called an atrioventricular (AV) block. P waves show that the top of the ... wave (and heart contraction), there is an atrioventricular block, and a very slow pulse (bradycardia).
  8. Bivalent Boosters Block Severe COVID-19 From the National Institutes of Health (National Institutes of Health)  
    Bivalent Boosters Block Severe COVID-19
  9. Anesthesia (National Library of Medicine)  
    What is anesthesia? Anesthesia is the use of medicines to prevent pain during surgery and other procedures. These medicines are called anesthetics. They ...
  10. Gallbladder Diseases (National Library of Medicine)  
    ... most likely to give you trouble if something blocks the flow of bile through the bile ducts. ...
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