Health A-Z

Painful Intercourse

Clinical Definition Painful intercourse has a number of possible causes. It may be the result of gynecologic problems, such as cysts or endometriosis, or lubrication issues caused by menopause or lack of arousal. It also may stem from emotional issues relating to relationship problems or anxiety. In Our Own Words Painful intercourse is something many


Clinical Definition Heart palpitations are a perceived abnormality of heartbeat, including tachycardia or extrasystole. Palpitations can occur at any time, including during performance of daily activities. The etiology is diverse, ranging from stress, anxiety and other emotions to pregnancy, caffeine ingestion and certain medical conditions. Palpitations may or may not be linked to a serious


Clinical Definition Pancreatitis is an inflammatory process of the pancreas. The pancreas secretes digestive enzymes, which normally don’t become active until they reach the small intestines. When pancreatitis develops, enzymes prematurely activate in the pancreas and attack it. This causes pancreatic tissue damage and bleeding. In Our Own Words Pancreatitis, or inflammation of the pancreas,

Panic Attack

Clinical Definition A panic attack, provoked by catastrophic misinterpretations of bodily sensations, is a core feature of the psychiatric condition known as panic disorder.  Marked by a period of intense fear or discomfort that strikes suddenly, often in a milieu where nothing threatening exists, the sense of danger is so intense during a panic attack

Parasympathetic Nervous System

Clinical Definition The parasympathetic nervous system is a subdivision of the autonomic nervous system. It consists of nerve fibers, which originate in the brain stem. It returns the body to homeostasis. The parasympathetic nervous system promotes slowing of the heart rate, flowing of gastric juices and muscular activity of the alimentary tract. In Our Own

Parkinson’s Disease

Clinical Definition Parkinson’s disease is a progressive motor system disorder. The specific etiology is not known. Symptoms are associated with progressive demise of dopamine producing neurons in the brain. Although it can develop earlier, the onset of the disease is generally after 50 years of age. It is characterized by bradykinesia, postural instability, rigidity and


Clinical Definition A pathogen is any microorganism or agent that invades another organism and causes disease or illness in its host. Pathogens are transmitted to the host via various pathways and have varying degrees of virulence. In Our Own Words A pathogen is any organism that can enter the body and make you sick. Pathogens

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