Labs and diagnostics

A small, rounded wave that sometimes follows the T wave on an ECG.

An imaging test that uses high-frequency sound waves to make pictures of the inside of the body.

A waste product the liver makes when it breaks down protein, which the kidneys remove in urine.

A waste product made when the body breaks down purines, measured with a blood test.

A lab test of a urine sample that looks at its color, clarity, chemicals and cells.

A lab test that grows germs from a urine sample to find out whether bacteria are present and which ones.

A urine test, usually a dipstick, for ketones, acids made when the body burns fat for energy.

A urine test that measures how concentrated the urine is: how many dissolved particles it holds.

A urine test that measures how concentrated the urine is, compared with the weight of plain water.