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Ommaya reservoir

The Ommaya reservoir is an invention by Dr Ayub K. Ommaya, a famous neurosurgeon. During surgery a catheter - a thin tube - is placed into one of the ventricles of the brain. The catheter is attached to a reservoir right under the scalp. The Omma ...

                                               

Organ donation

Organ donation means that an organ is transferred from the body of one person to that of another person. This is done by a type of surgery called an organ transplant. The donor, the person whose organ is used, may be alive or recently dead. The p ...

                                               

Over-the-counter drug

Over-the-counter drugs are drugs that do not need a prescription to be bought. When they are properly used, these drugs do not put the health of the patient in danger. Many OTC drug ingredients which were prescription drugs are now considered saf ...

                                               

Overdose

An Overdose is when someone takes too much of a certain drug. This may be done voluntarily or involuntarily. The drug may be a drug taken to treat some medical condition, or it may be a drug taken for recreation. Overdoses are considered to be po ...

                                               

Panic attack

Panic attacks are sudden periods of very bad anxiety. Along with feeling very scared, people with panic attacks usually have physical symptoms. These symptoms are not dangerous. However, they can make a person feel terrible for a short time. Havi ...

                                               

Pestilence

Pestilence is a word that is used for any highly infectious disease that can cause an epidemic or even a pandemic. It is commonly used for parasites too, but only when they cause large scale sickness or death, such as the Guinea worm. The word me ...

                                               

Pfizer

Pfizer is an American pharmaceutical corporation. One of the worlds largest pharmaceutical companies, it is ranked 64 on the 2020 Fortune 500 list of the largest United States corporations by total revenue. It was founded in 1849 in New York City ...

                                               

Plastic surgery

Plastic surgery is a surgery that is done to change the way a persons body looks or works. Some plastic surgeries can change both. Work can be done on someones bones, cartilage, muscles, fat, and skin. The two most common forms of plastic surgery ...

                                               

Primary peritoneal carcinoma

Primary peritoneal cancer or carcinoma is also known as serous surface papillary carcinoma, primary peritoneal carcinoma, extra-ovarian serous carcinoma, primary serous papillary carcinoma, psammomacarcinoma. It was historically classified under ...

                                               

Procaine

Procaine is a analgesic drug. It is used primarily to reduce the pain of getting certain shots, and is also used by dentists. The drug is usually sold under the name Novocaine, or Novacaine. Procaine was first made in 1905, and was the first man- ...

                                               

Psychiatrist

A psychiatrist is a medical doctor who specializes in psychiatry, and treats people with mental illness. Psychiatrists can prescribe psychiatric medication.

                                               

Psychologist

A psychologist is someone who studies and practices psychology as a job. Psychologists study the human mind and behavior. They study human perceptions, emotions, and personality relationships. Clinical psychologists help people overcome mental he ...

                                               

Psychopathy

Psychopathy is a personality disorder or antisocial personality disorder. Psychopaths are unemotional. They do not care about the emotions or rights of others. They show almost no empathy, and do not try to conform to social norms. They lack a co ...

                                               

Pulmonary fibrosis

Pulmonary fibrosis is a respiratory disease in which scars are formed in the lung tissues, leading to serious breathing problems. Scar formation, the addition of extra fibrous connective tissue, leads to thickening of the walls, and causes low ox ...

                                               

Radiation therapy

Radiation therapy is the use of radiation to treat diseases. It is typically used to treat of cancer. It may use a radioactive material or particle accelerator or other source of ionizing radiation that can kill or damage cancerous cells. Radiati ...

                                               

Remdesivir

Remdesivir is a broad-spectrum antiviral medication created by the biopharmaceutical company Gilead Sciences. It was designed to treat Ebola. As of 2020, remdesivir is being tested as a specific treatment for COVID-19. It is being used for the si ...

                                               

Renal disease

Renal disease is the name for a disease or condition that mainly affects the kidneys. Medical words for renal disease are nephropathy or nephrosis. There are many possible causes of renal disease, including: Certain viruses, such as HIV. If a per ...

                                               

Respiratory arrest

Respiratory arrest is the cessation of breathing due to failure of the lungs to function effectively. Apnea is the stopping of breathing. Prolonged apnea refers to a patient who has stopped breathing for a long period of time. If the heart muscle ...

                                               

Respiratory disease

Respiratory disease, or respiratory tract disease, is a medical term that is made up of diseases affecting the lungs and tissues that make gas exchange difficult in air-breathing animals such as humans. They include conditions of the respiratory ...

                                               

Respiratory failure

Respiratory failure is a medical condition which affects respiration. It means the alveoli in the lung are not getting enough oxygen. Because of this, gas exchange in the blood is reduced. Respiratory failure will lead to a persons death. For thi ...

                                               

Respiratory tract infection

Respiratory tract infection refers to any of a number of infectious diseases involving the respiratory tract. An infection of this type can be called as an upper respiratory tract infection URI or URTI or a lower respiratory tract infection LRI o ...

                                               

Resuscitation

Resuscitation is a thing to do in a medical emergency. It is first aid which is given to a person who is unconscious, and where breathing or pulse can not be detected. It is done to make oxygen continues to reach the heart and the brain. That way ...

                                               

Royal College of Surgeons in Ireland

The Royal College of Surgeons in Ireland is a medical college in Dublin, Ireland. The college began in 1784. The Royal College of Surgeons is now Ireland’s largest medical school, with over 3000 students from 60 countries. Notable honorary fellow ...

                                               

Sensory overload

Sensory overload is when one or more of the bodys senses experiences over-stimulation from the environment. There are many things that impact an individual. Examples of these elements are urbanization, crowding, noise, mass media, technology, and ...

                                               

Serotonin syndrome

Serotonin syndrome, also known as serotonin poisoning, serotonin sickness, and many other names, is a medical condition that can happen if there is too much serotonin in your brain or other parts of your nervous system. Serotonin syndrome can be ...

                                               

Sildenafil

Sildenafil is an aphrodisiac. It is a medication that is also called Viagra, Revatio and Caverta. Sildenafil makes the blood vessels become wider. This lowers the blood pressure. Sildenafil mostly works in the penis and in the lungs. This medicin ...

                                               

Skin graft

A skin graft is a transplants of skin. The most common way to do this is to transplant skin from one part of a person to another place on the same person. The technique was developed in World War II by surgeons who had to deal with people who had ...

                                               

Small intestine cancer

In oncology, small intestine cancer, also small bowel cancer and cancer of the small bowel, is a cancer of the small intestine. It is rare compared to other gastrointestinal cancers such as stomach cancer and colorectal cancer. Small intestine ca ...

                                               

Sphygmomanometer

A sphygmomanometer is a device used to measure blood pressure in humans. It was first invented by an Austrian physician in 1881. They now come in different shapes and sizes. They can be found in many places. The sphygmomanometer works by wrapping ...

                                               

Squamous cell carcinoma

Squamous cell carcinomas, also known as epidermoid carcinomas, is made up of a number of different types of cancer that result from squamous cells. These cells form on the surface of the skin, on the lining of hollow organs in the body, and on th ...

                                               

St Marys Hospital, London

St Marys Hospital is an NHS hospital in Paddington, in the City of Westminster, London, founded in 1845. Since the UKs first academic health science centre was created in 2008, it has been operated by Imperial College Healthcare NHS Trust, which ...

                                               

Stent

In medicine, a stent is a metal or plastic tube inserted into the lumen of an anatomic vessel or duct to keep the passageway open, and stenting is the placement of a stent. "Stent" is also used as a verb to describe the placement of such a device ...

                                               

Stereotypic movement disorder

People with stereotypic movement disorder often hurt themselves. Some people make behaviors such as keeping their hands in their pockets, to prevent these movements. Cause of stereotypic movement disorder is certain physical conditions, head inju ...

                                               

Stethoscope

A stethoscope is a instrument used by doctors and other medical people. It is used to measure peoples heartbeat and their breathing. It is placed on the area where the heart is or on the back. The modern stethoscope is made up of a Y-shaped flexi ...

                                               

Subdural hematoma

A subdural hematoma is a type of bleeding in which a collection of blood usually caused from a traumatic brain injury - gathers in the inner layer of the dura mater and the arachnoid mater of the meninges surrounding the brain. It usually results ...

                                               

Syndrome

In psychology and medicine, a syndrome is when there are multiple symptoms. These symptoms may be related. In some cases the way in which they are related is known, in other cases it is not. When both the relationship of symptoms and their causes ...

                                               

Tonsillitis

Tonsillitis is a disease. It is also known as pharyngitis, laryngitis and Tonsillar infection. Tonsillitis is caused by either a virus or bacteria. It is the inflammation and infection of the tonsils. The tonsils are in the back of the throat. Th ...

                                               

Tourette syndrome

Tourette syndrome is an inherited neurological disorder. Tourette syndrome can also be called Tourettes syndrome, Tourettes disorder, GTS, Tourettes, or TS. People that have Tourettes have tics. Tourettes is normally inherited, and starts in chil ...

                                               

Tracheotomy

Tracheotomy and tracheostomy is a surgery on the neck to open a direct path by cutting a hole in the trachea. They are performed by paramedics, veterinarians, emergency physicians, and surgeons. Both surgical and percutaneous techniques are now w ...

                                               

Transplant (surgery)

Transplants are a type of surgery. Both tissues and organs can be transplanted. Types of transplant: Lung transplant Xenotransplantation Kidney transplant Autotransplantation Skin graft Heart-lung transplant Heart transplant An organ transplant i ...

                                               

Trichotillomania

Trichotillomania is an impulse control disorder. It causes a person to habitually pull out their hair. People with trichotillomania may pull hair from anywhere on the body. Sometimes people with trich end up having large areas on the body without ...

                                               

Trypanosomiasis

Trypanosomiasis is the name for several diseases, caused by parasites of the genus Tryposoma: African typanosomiasis or Sleeping sickness, caused by Trypanosoma brucei and spread by the Tsetse fly American typanosomiasis or Chagas disease, caused ...

                                               

Uterine cancer

Uterine cancer, also known as womb cancer, is any type of cancer that starts from the tissue of the uterus. It can refer to several types of cancer, with cervical cancer being the most common type worldwide and the second most common cancer in wo ...

                                               

X-ray

X-radiation is a kind of electromagnetic radiation. X-rays are waves of X-radiation. X-rays have a shorter wavelength, and therefore more energy, than ultraviolet radiation. They have a much shorter wavelength than visible light. Radiation with s ...

                                               

Adsorption

Adsorption is the sticking of atoms or molecules to a surface. The particles which get stuck on can be from a gas, liquid or a dissolved solid. An example would be the way water sticks to the surface of sand grains on a beach, or to particles of ...

                                               

Alpha particle

An alpha particle is a radioactive particle that is made up of two protons and two neutrons. It is a helium nucleus: that is a helium atom without electrons. Radioactive elements give out alpha particles when they go through a kind of radioactive ...

                                               

Anthropic principle

The anthropic principle says that the universe is how it is because it must allow for the eventual creation of us, as observers. The anthropic principle was thought of in 1974, by the astronomer Brandon Carter. Douglas Adams explains this concept ...

                                               

Antimatter fuel

Antimatter, when it comes into contact with regular matter, releases a huge amount of energy. This energy is in the form of an explosion. This explosion can be harnessed for electrical means or as a thrust Since newtons laws state that if you pus ...

                                               

Antiproton

Antiproton s are tiny particles of antimatter. They have a negative charge, and are the nucleus of an Antihydrogen atom. They are not theoretical, as they have been found in scientific studies. When they come in contact with regular protons, each ...

                                               

ATLAS experiment

ATLAS is the biggest experiment at the Large Hadron Collider. It is one of the seven particle detector experiments built at the LHC. LHC is a new particle accelerator at the European Organization for Nuclear Research CERN in Switzerland. ATLAS is ...