Pregnancy problems
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Abdominal ultrasound
An ultrasound of the abdomen is the preferred test to screen for an aortic aneurysm. But it may be done for other health reasons, too. Learn why.
Abdominal pain
Everyone experiences abdominal pain from time to time. Find out when it might be cause for concern.
Abdominal hysterectomy
Learn why surgery to remove the uterus, known as a hysterectomy, might be done and what to expect if you need this surgery.
Abdominal aortic aneurysm
An aneurysm in the lower part of the aorta can grow slowly and silently. Know the symptoms of this dangerous condition and the treatment.
AV node ablation
Learn who may benefit from this cardiac catheter procedure to correct persistent atrial fibrillation, or AFib.
ARDS
Acute respiratory distress syndrome (ARDS) is sudden and serious lung failure that can occur in people who are critically ill or have major injuries.
ANA test
An antinuclear antibody (ANA) test is one test used to help determine if you have an autoimmune disease such as lupus.
ADHD diet: Do food additives cause hyperactivity?
Better research is needed to find out if limiting certain foods or food additives will help reduce hyperactivity and ADHD symptoms.
ACL injury
Learn about this injury that affects one of the main ligaments in your knee and most commonly occurs during sports such as soccer and football.
A1C test
Learn more about the preparation for and results of this common diabetes blood test.
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