Conditions

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The anterior cruciate ligament (ACL) is one of the four main ligaments in the knee that gives the knee and leg flexibility and allows it to move easily.


Anterior cruciate ligament (ACL) tears are some of the most common forms of injuries encountered by athletes. They occur when one of the four main ligaments in the knee, called the ACL, tears, leaving the knee less stable...


An abdominal aortic aneurysm, also called AAA or triple A, is a bulging, weakened area in the wall of the abdominal aorta (the largest artery in the body) resulting in an abnormal widening or ballooning greater than 50 percent of the vessel's normal diameter (width)...


If your Pap test results came back abnormal, you are probably feeling anxious about what to do next. That’s why Northwell Health gynecologists will immediately explain the results and order the proper additional tests to find out if any action must be taken...


Northwell's OB/GYN specialists have expertise in both the diagnosis and management of abnormal placentation. Diagnosis prior to delivery is essential, as untreated abnormal placentation, also known as placenta accreta, can be a life-threatening condition for a mother if it goes undiagnosed prior to the birth of the baby...


An abscessed tooth is an infection at the root of the tooth. Abscesses are often caused by tooth decay, gum disease, or untreated cavities and can be extremely painful...


Absence seizures, also called petit mal seizures, are sudden yet brief losses of consciousness that do not cause any sort of lethargy afterwards. They may be triggered by hyperventilation, and are sometimes mistaken for daydreaming...


Achalasia (ache-ull-Asia) is a rare disease of the muscle of the esophagus. The lower esophageal sphincter is a muscular ring at the point where the esophagus and stomach meet...


An Achilles tendon injury is an injury that happens to the largest tendon in the human body: the fibrous tissue that connects the two large muscles in the back of your calf with your heel bone...


Acne is a common disorder of the hair follicles and sebaceous glands with a number of causes and symptoms. The disorder typically leads to the development of pimples and cysts...