Browse our Health Library to learn about treatments, conditions, and how Cedars-Sinai can support your healthcare needs.
The electrical impulses from the heart muscle that cause your heart to contract usually begins in the sinoatrial node, located on the top of the right side of the heart. The sinoatrial node is called the heart's pacemaker. When something...
A pacemaker is a small electronic device that helps regulate slow electrical problems in the heart. The pacemaker is usually implanted in the chest, just below the collarbone. A pacemaker may be recommended to keep the heartbeat from ...
Paget disease of the bone is a chronic bone disorder. It causes bones to become enlarged and deformed. Bone may become dense, but fragile, because of excessive breakdown and deformation of bone. The disease is the most common bone ...
Paget's disease of the breast, also known as Paget disease of the nipple or mammary Paget disease, is a rare form of breast cancer that represents less than 5 percent of breast cancer cases. The condition starts in or around the nipple ...
The palate is divided into two parts: the bony hard palate in the front, and the fleshy soft palate in the back of the mouth. Cancer of the palate usually first noticed as an ulcer in the mouth. Tobacco and alcohol use are risk factors ...
A pancreas scan uses nuclear radiology to search for, and sometime treat, tumors in the pancreas.
Nearly 30,000 people are diagnosed with pancreatic cancer in the United States every year. The pancreas is a gland located in the abdomen that produces several hormones, including insulin. Pancreatic secretions aid the digestion of food ...
Pancreatic cancer is cancer that starts in your pancreas. The pancreas is a pear-shaped organ that lies behind the stomach and in front of your spine. Learn more about symptoms, diagnosis, and treatments.
A pancreatic neuroendocrine tumor is a type of cancer that forms tumors in the pancreas.
Pancreatic pseudocysts are collections of leaked pancreatic fluids. They may form next to the pancreas during pancreatitis.
Pancreatitis is the swelling (inflammation) of the pancreas. This happens when digestive juices or enzymes attack the pancreas.
Panic disorder is when you have repeated, unexpected panic attacks and worry constantly about when the next one might happen. Medicines and therapy can help.
For a Pap test, your healthcare provider will collect and examine cells from your cervix. The cervix is the opening to the uterus. He or she will do this test to screen for cervical cancer and other problems.
The diaphragm is a muscle that separates the chest and abdominal cavities. Paralysis of this muscle is uncommon. Causes and risk factors include cancer, traums and neuromuscular disorders. Treatment options run from observation to ...
A paranasal sinus tumor is a cancer that has grown inside your sinuses, the open spaces behind your nose.
Parasomnias are a group of sleeping disorders that disturb sleep. Types of parasomnias include nightmares, night terrors, sleepwalking, sleep drunkenness, sleep paralysis, and bedwetting.
Sleepwalking refers to a type of sleep disorder that involves walking while in a deep sleep. But despite the name, sleepwalking can actually refer to more than that.
The parathyroid glands are different than the thyroid gland, even though the names are similar. The four parathyroid glands are usually on the back of the thyroid gland, but they can be located around the jaw or neck. Parathyroid glands ...
Detailed information on parathyroid tumors, including symptoms and treatment
Minimally invasive radio-guided parathyroidectomy (MIRP) requires approximately a one inch incision. The cure rate is as high as or higher than a conventional parathyroidectomy. MIRP uses a small, radio-guided probe to locate the ...
Parkinson disease is a motor system disorder that causes trembling, stiffness and trouble moving.
Parkinson disease is a movement disorder that can cause muscles to tighten and become rigid. It can make it hard to walk and engage in daily activities.
In parotid duct obstruction, part of your parotid duct becomes blocked. As a result, saliva can't flow normally from your parotid gland into your mouth.
Paroxysmal supraventricular tachycardia is a regular, fast (160 to 200 beats per minute) heart rate that originates in heart tissue other than the ventricles (the lower chambers of the heart).
A partial seizure happens when unusual electrical activity affects a small area of the brain. These types of seizures are also called focal seizures.
Jumper's knee is caused by overuse of your knee joint, such as frequent jumping on hard surfaces. It's usually a sports-related injury, linked to leg muscle contraction and the force of hitting the ground.
Patent ductus arteriosus (PDA) is a heart defect found in the days or weeks after birth. Read on to learn about symptoms, diagnosis, and treatment options.
A patent foramen ovale (PFO) is a small hole between the 2 upper chambers of the heart, the right and the left atrium. Here's what you need to know.
A patent foramen ovale (PFO) is a small hole between the 2 upper chambers of the heart, the right and the left atrium. Patent foramen transcatheter repair is a procedure to fix this hole in the heart.
Detailed information about peak flow measurement, a quick test to measure air flowing out of the lungs.