Healthy diets
Learning Center
Cholesterol ratio or non-HDL cholesterol: Which is most important?
Non-HDL cholesterol may be more important than cholesterol ratio.
Pyloric stenosis
In this condition, a valve between an infant's stomach and small intestine fails to open enough for food to pass through. Surgery is the treatment.
Butter vs. margarine: Which is better for my heart?
Margarine usually tops butter for heart health. But not all margarines are created equal.
CT coronary angiogram
Learn about the risks and results of this imaging test that looks at the arteries that supply blood to the heart.
Bilirubin test
Find out what to expect from a bilirubin test — an important blood test that determines how your liver is functioning.
Ejection fraction: What does it measure?
This measurement, commonly taken during an echocardiogram, shows how well the heart is pumping. Know what results mean.
Water after meals: Does it disturb digestion?
Drinking plenty of water helps keep your digestive system on track.
Chest X-rays
Learn what these chest images can show and what conditions they may uncover.
Cystoscopy
During cystoscopy, your doctor examines the inside of your bladder using a special instrument that's inserted into the bladder through the urethra.
Esophageal manometry
This test involves placing a thin, pressure-sensitive tube through your nose into your esophagus to measure pressure as you swallow.
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