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CABG

A coronary artery bypass graft (CABG) is a surgical procedure used to treat coronary heart disease.

It diverts blood around narrowed or clogged parts of the major arteries to improve blood flow and oxygen supply to the heart.

Cystitis
Cystitis is an inflammation of the bladder. Inflammation is where part of your body becomes irritated, red, or swollen. In most cases, the cause of cystitis is a urinary tract infection (UTI). A UTI happens when bacteria enter the bladder or urethra and begin to multiply.
Cystic fibrosis
Cystic fibrosis is a hereditary disease that affects the lungs and digestive system. The body produces thick and sticky mucus that can clog the lungs and obstruct the pancreas. Cystic fibrosis (CF) can be life-threatening, and people with the condition tend to have a shorter-than-normal life span.
Cushing’s syndrome
Cushing syndrome occurs when your body is exposed to high levels of the hormone cortisol for a long time. Cushing syndrome, sometimes called hypercortisolism, may be caused by the use of oral corticosteroid medication. The condition can also occur when your body makes too much cortisol on its own.
Croup
Croup, also known as laryngotracheobronchitis, is a type of respiratory infection that is usually caused by a virus. The infection leads to swelling inside the trachea, which interferes with normal breathing and produces the classic symptoms of "barking" cough, stridor, and a hoarse voice.
Crohn's disease
Crohn's disease is an inflammatory bowel disease (IBD). It causes inflammation of your digestive tract, which can lead to abdominal pain, severe diarrhea, fatigue, weight loss and malnutrition. Inflammation caused by Crohn's disease can involve different areas of the digestive tract in different people.
Cough headaches
Cough headaches are an unusual type of headache triggered by coughing and other types of straining — such as from sneezing, blowing your nose, laughing, crying, singing, bending over or having a bowel movement. Doctors divide cough headaches into two categories.