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Drugs and diseases reference index

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Diseases & conditions A-Z List

Diseases & Conditions A-Z List - «H»:

  1. Heart PET scan Heart PET scan
    A heart positron emission tomography (PET) scan is an imaging test that uses a radioactive substance (called a tracer) to look for disease or poor blood flow in the heart. Magnetic resonance imaging (MRI) and computed tomography (CT) scans reveal the structure of the heart. A PET scan can tell your ...
  2. Heart transplant Heart transplant
    Heart transplantation is surgery to remove a damaged or diseased heart and replace it with a healthy donor heart. Description Finding a donor heart can be difficult. The heart is donated by someone who has been declared brain-dead but remains on life support. The donor heart must be matched as clos...
  3. Heart valve surgery Heart valve surgery
    Heart valve surgery is used to repair or replace diseased heart valves. Blood that flows between different chambers of your heart must flow through a heart valve. Blood that flows out of your heart into large arteries must flow through a heart valve. These valves open up enough so that blood can flo...
  4. Heart valve surgery - discharge Heart valve surgery - discharge
    You had surgery to repair or replace one of your heart valves. Your surgery may have been done through a large incision (cut) in the middle of your chest, through a smaller cut between 2 of your ribs, or through 2 to 4 small cuts. After your operation, you will probably spend 3 to 7 days in the hosp...
  5. Heart-respiratory monitor - infants Heart-respiratory monitor - infants
    A heart–respiratory monitor can measure a baby's or child's: Breathing rate Heart beat Oxygen level Caregivers can use these measurements to determine how the baby or child is doing, and help make decisions regarding treatments and medicines. The monitor often uses stick-on electrodes, or p...
  6. Heartburn Heartburn
    Heartburn is a painful burning sensation in the esophagus, just below or behind the breastbone. The pain often rises in your chest and may radiate to your neck or throat. Causes Almost everyone has occasional heartburn. If you have frequent, ongoing heartburn, you may have gastroesophageal re...
  7. Heartburn - what to ask your doctor Heartburn - what to ask your doctor
    You have gastroesophageal reflux disease (GERD). This condition causes food or stomach acid to come back up from your stomach into your esophagus. This is called reflux. It can cause heartburn and other symptoms. Below are some questions you may want to ask your doctor or nurse to help you take care...
  8. Heat emergencies Heat emergencies
    Heat emergencies fall into three categories of increasing severity: heat cramps, heat exhaustion, and heatstroke. Considerations Heat illnesses are easily preventable by taking precautions in hot weather. Children, elderly, and obese people have a higher risk of developing heat illness. People taki...
  9. Heat intolerance Heat intolerance
    Heat intolerance is the inability to be comfortable when external temperatures rise. Considerations Heat intolerance often produces a feeling of being overheated and can cause heavy sweating. Heat intolerance usually comes on slowly and lasts over the long-term. Causes Amphetamines such as appetit...
  10. Heel pain Heel pain
    Pain - heel Causes Most frequently heel pain is not the result of any single injury, such as a fall or twist, but rather the result of repetitive or excessive heel pounding. Plantar fasciitis is inflammation of the thick connective tissue on the sole of your foot that attaches to your heel. The pa...
  11. Height and weight chart Height and weight chart
    A growth chart is used to measure and compare a child's growth with what is considered normal for that child's age and gender. The nationally accepted growth charts are based on measurement data collected by the National Center for Health Statistics. They take into consideration height, weight, head...
  12. Heimlich maneuver Heimlich maneuver
    The Heimlich maneuver is an emergency technique for preventing suffocation when a person's airway (windpipe) becomes blocked by a piece of food or other object. See also: Choking (for conscious infant under 1 year) Choking (for conscious adult or child over 1 year) Choking (for unconscious adu...
  13. Heimlich maneuver on self Heimlich maneuver on self
    If you are choking on something, you can perform the Heimlich maneuver on yourself: Make a fist. Place the thumb below your rib cage and above your navel. Grasp your fist with your other hand. Press it into the area with a quick upward movement. You can also lean over a table edge, chair, or raili...
  14. Helicobacter pylori Helicobacter pylori
    Helicobacter pylori (H. pylori) is the bacteria responsible for most ulcers and many cases of stomach inflammation (chronic gastritis). The bacteria can weaken the protective coating of the stomach, allowing digestive juices to irritate the sensitive stomach lining. Causes As many as half of the w...
  15. HELLP syndrome HELLP syndrome
    HELLP syndrome is a group of symptoms that occur in pregnant women who have: H -- hemolysis EL -- elevated liver enzymes LP -- low platelet count Causes HELLP syndrome occurs in approximately 10% of pregnant women with preeclampsia or eclampsia. HELLP syndrome is associated with more serious ca...