Articles

Find answers to your health-related questions in our Ilustrated Health Encyclopedia

  • Test

    T-cell count

    Blood is drawn from a vein (venipuncture), usually from the inside of the elbow or the back of the hand. A needle is inserted into the vein, and the blood is collected in an air-tight vial or a syringe. Preparation may vary depending on the specific test.

    A T-cell count measures the number of T cells in the blood. Your doctor may order this test if you have signs of a weak immune system such as due to having .

  • Test

    T3 test

    Triiodothyronine (T3) is a thyroid hormone. It plays an important role in the body’s control of metabolism. A laboratory test can be done to measure the...

  • Test

    T3RU test

    The T3RU test measures the level of proteins that carry thyroid hormone in the blood. This can help your health care provider interpret the results of and...

  • Test

    T4 test

    Blood is drawn from a vein (venipuncture), usually from the inside of the elbow or the back of the hand. A needle is inserted into the vein, and the blood is collected in an air-tight vial or a syringe. Preparation may vary depending on the specific test.

    T4 (thyroxine) is the main hormone produced by the thyroid gland. A laboratory test can be done to measure the amount of T4 in your blood.

  • Injury

    Tailbone trauma

    The tailbone (coccyx) is the small bone at the lower tip of the spine.  The most common cause of injury to the tailbone is a backward fall onto a hard surface, such as a slippery floor or ice.

    Tailbone trauma is an injury to the small bone at the lower tip of the spine.

  • Self-Care Instructions

    Tailbone trauma - aftercare

    Coccyx injury: Coccyx fracture

  • Disease

    Takayasu arteritis

    The interior of the heart is composed of valves, chambers, and associated vessels.

    Takayasu arteritis is an inflammation of the aorta and . The aorta is the artery that carries blood from the heart to the rest of the body.

  • Self-Care Instructions

    Taking antacids

    Antacids help to treat heartburn (indigestion). They work by changing the stomach acid that causes your heartburn. You can buy many antacids without a...

  • Special Topic

    Taking care of your back at home

    Rest on a firm surface for several hours to treat and alleviate symptoms of a strained back.  Anti-inflammatory medications (such as ibuprofen) can help, and stretching and strengthening of the back muscles is important to avoid another back injury.

    A common myth about back pain is that you need to rest and avoid activity for a long time. In fact, doctors do not recommend bed rest. If you have no sign of...

  • Self-Care Instructions

    Taking care of your new hip joint

    Hip arthroplasty – precautions; Hip replacement – precautions