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Your doctor used a special needle to remove a small piece of tissue from your kidney to examine it for signs of damage and disease. A kidney biopsy is ordered after other tests have shown that there may be a problem with your kidney, when kidney disease is suspected, and to rule out cancer.

A J-tube is used when you aren't able to eat or drink enough to keep your normal body weight. Here's what you need to know to care for your J-tube at home.

A cast helps your body heal by holding your injured bones or joints in place. Here is information on how to take care of your cast.

An open appendectomy is a surgery to remove your appendix. Here are guidelines to follow once you are home.

There are methods you can use to remove mucus from your airways and help you breathe better. Follow these steps to do controlled coughing and the "huff" technique.

You must be very careful to avoid infection when changing the dressing on your PICC line. Follow our step-by-step guide.

Step-by-step instructions for giving yourself a subcutaneous injection of medicine.

You had a surgical procedure called a pneumonectomy. This is the removal of one of your lungs. These directions will help you care for yourself at home.

Taking your pulse is a way to measure your heart rate. Follow these step-by-step instructions to find and measure your pulse.