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portální systém

A system of vessels in which blood, after passing through one capillary bed, is conveyed through a second set of capillaries before it returns to the systemic circulation. It pertains especially to the hepatic portal system.
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vena portae

A short thick vein formed by union of the superior mesenteric vein and the splenic vein.
MSH

short thick vein formed by union of the superior mesenteric vein and the splenic vein; enters the liver at the hepatic portal.
CSP

Vein in the portal venous system.
FMA

A short thick trunk vein that transports blood containing the absorbed products of digestion from the intestine directly to the liver. (NCI)
NCI

A blood vessel that carries blood to the liver from the stomach, small and large intestines, spleen, pancreas, and gallbladder.
NCI

A short thick trunk vein that transports blood containing the absorbed products of digestion from the intestine directly to the liver.
NCI

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portosystémový zkrat chirurgický

Surgical venous shunt between the portal and systemic circulation to effect decompression of the portal circulation. It is performed primarily in the treatment of bleeding esophageal varices resulting from portal hypertension. Types of shunt include portacaval, splenorenal, mesocaval, splenocaval, left gastric-caval (coronary-caval), portarenal, umbilicorenal, and umbilicocaval.
MSH

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portoenterostomie jaterní

Operation for biliary atresia by anastomosis of the bile ducts into the jejunum or duodenum.
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portografie

Examination of the portal circulation by the use of X-ray films after injection of radiopaque material.
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Portugalsko

A country in Southwestern Europe, bordering the North Atlantic Ocean, west of Spain. (NCI)
NCI

A country in Southwestern Europe, bordering the North Atlantic Ocean, west of Spain. (CIA World Factbook 2002)
NCI

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ventilace umělá s výdechovým přetlakem

A method of mechanical ventilation in which pressure is maintained to increase the volume of gas remaining in the lungs at the end of expiration, thus reducing the shunting of blood through the lungs and improving gas exchange.
MSH

method of mechanical ventilation in which pressure is maintained to increase the volume of gas remaining in the lungs at the end of expiration, thus reducing the shunting of blood through the lungs and improving gas exchange.
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pozitronová emisní tomografie

detection of gamma rays emitted from tissues after administration of a natural substance such as glucose or fatty acids into which positron emitting isotopes have been incorporated; the paths of the gamma rays, which result from collisions of positrons and electrons, are interpreted by a computer algorithm, and the resultant tomogram represents local concentrations of the isotope containing substance.
CSP

A procedure in which a small amount of radioactive glucose (sugar) is injected into a vein, and a scanner is used to make detailed, computerized pictures of areas inside the body where the glucose is used. Because cancer cells often use more glucose than normal cells, the pictures can be used to find cancer cells in the body.
NCI

An imaging technique using compounds labelled with short-lived positron-emitting radionuclides (such as carbon-11, nitrogen-13, oxygen-15 and fluorine-18) to measure cell metabolism. It has been useful in study of soft tissues such as CANCER; CARDIOVASCULAR SYSTEM; and brain. SINGLE-PHOTON EMISSION-COMPUTED TOMOGRAPHY is closely related to positron emission tomography, but uses isotopes with longer half-lives and resolution is lower.
MSH

A technique for measuring the gamma radiation produced by collisions of electrons and positrons (anti-electrons) within living tissue. In positron emission tomography (PET), a subject is given a dose of a positron-emitting radionuclide attached to a metabolically active substance (for example, 2-fluoro-2-deoxy-D-glucose (FDG), which is similar to a naturally occurring sugar, glucose, with the addition of a radioactive fluorine atom). When living tissue containing the positron emitter is bombarded by electrons, gamma radiation produced by collisions of electrons and positrons is detected by a scanner, revealing in fine detail the tissue location of the metabolically-active substance administered.
NCI

Computed, Positron emission tomography


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Positonen

The anti-particle of the electron, having the same mass but being positively rather than negatively charged. (Dr. Joseph A. Thie)
NCI

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zubní korunky – technika post and core

Use of a metal casting, usually with a post in the pulp or root canal, designed to support and retain an artificial crown.
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poštovní služba

The functions and activities carried out by the U.S. Postal Service, foreign postal services, and private postal services such as Federal Express.
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postgastrektomické syndromy

Sequelae of gastrectomy from the second week after operation on. Include recurrent or anastomotic ulcer, postprandial syndromes (DUMPING SYNDROME and late postprandial hypoglycemia), disordered bowel action, and nutritional deficiencies.
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neuralgie postherpetická

Pain in nerves, frequently involving facial SKIN, resulting from the activation the latent varicella-zoster virus (HERPESVIRUS 3, HUMAN). The two forms of the condition preceding the pain are HERPES ZOSTER OTICUS; and HERPES ZOSTER OPHTHALMICUS. Following the healing of the rashes and blisters, the pain sometimes persists.
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posmrtné změny

Physiological changes that occur in bodies after death.
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Postnazální zatékání hlenu

Excessive mucous secretion in the back of the nasal cavity or throat, causing sore throat and/or coughing. It is usually due to allergic rhinitis or a cold.
NCI

A disorder characterized by excessive mucous secretion in the back of the nasal cavity or throat, causing sore throat and/or coughing.
NCI

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postnatální péče

The care provided to women and NEWBORNS for the first few months following birth.
MSH

Taking home a new baby is one of the happiest times in a woman`s life. But it also presents both physical and emotional challenges.

  • Get as much rest as possible. You may find that all you can do is eat, sleep and care for your baby. And that is perfectly okay. You will have spotting or bleeding, like a menstrual period off and on for up to six weeks.
  • You might also have swelling in your legs and feet, feel constipated, have menstrual-like cramping. Even if you are not breastfeeding, you can have milk leaking from your nipples, and your breasts might feel full, tender or uncomfortable.
  • Follow your doctor`s instructions on how much activity, like climbing stairs or walking, you can do for the next few weeks.
  • Doctors usually recommend that you abstain from sexual intercourse for four to six weeks after birth.

In addition to physical changes, you may feel sad or have the “baby blues.” If you are extremely sad or are unable to care for yourself or your baby, you might have a serious condition called postpartum depression.

National Women`s Health Information Center


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pooperační péče

The period of care beginning when the patient is removed from surgery and aimed at meeting the patient`s psychological and physical needs directly after surgery. (From Dictionary of Health Services Management, 2d ed)
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pooperační komplikace

Pathologic processes that affect patients after a surgical procedure. They may or may not be related to the disease for which the surgery was done, and they may or may not be direct results of the surgery.
MSH

pathologic processes that affect patients after a surgical procedure; may or may not be related to the disease for which the surgery was done, and they may or may not be direct results of the surgery.
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pooperační hemoragie

Hemorrhage following any surgical procedure. It may be immediate or delayed and is not restricted to the surgical wound.
MSH

Bleeding occurring after completion of a surgical procedure. Postoperative bleeding may follow surgery immediately or may be delayed; it may be wound-related or not.
NCI

A finding of bleeding occurring after a surgical procedure.
NCI

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pooperační období

The period following a surgical operation.
MSH

After surgery.
NCI

Relating to or occurring during the period immediately following a surgical operation.
NCI

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shock; {post}operatief

A state of shock following a surgical operation.
NCI

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ERDITZE ONDORENGO ODOLJARIO GARRANTZITSUA

Excess blood loss from uterine bleeding associated with OBSTETRIC LABOR or CHILDBIRTH. It is defined as blood loss greater than 500 ml or of the amount that adversely affects the maternal physiology, such as BLOOD PRESSURE and HEMATOCRIT. Postpartum hemorrhage is divided into two categories, immediate (within first 24 hours after birth) or delayed (after 24 hours postpartum).
MSH

Hemorrhage defined as a blood loss in excess of 500 mL after vaginal delivery or more than 1000 mL after a cesarean delivery.
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postperikardiotomický syndrom

A nonspecific hypersensitivity reaction caused by TRAUMA to the PERICARDIUM, often following PERICARDIOTOMY. It is characterized by PERICARDIAL EFFUSION; high titers of anti-heart antibodies; low-grade FEVER; LETHARGY; loss of APPETITE; or ABDOMINAL PAIN.
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postflebitický syndrom

A condition characterized by a chronically swollen limb, often a leg with stasis dermatitis and ulcerations. This syndrome can appear soon after phlebitis or years later. Postphlebitic syndrome is the result of damaged or incompetent venous valves in the limbs. Distended, tortuous VARICOSE VEINS are usually present. Leg pain may occur after long period of standing.
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posttraumatická bolest hlavy

Secondary headache attributed to TRAUMA of the HEAD and/or the NECK.
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draslík

An element that is in the alkali group of metals. It has an atomic symbol K, atomic number 19, and atomic weight 39.10. It is the chief cation in the intracellular fluid of muscle and other cells. Potassium ion is a strong electrolyte and it plays a significant role in the regulation of fluid volume and maintenance of the water-electrolyte balance.
MSH

metallic element of the alkali group, many of whose salts are used in medicine; atomic number 19, symbol K.
CSP

A metallic element that is important in body functions such as regulation of blood pressure and of water content in cells, transmission of nerve impulses, digestion, muscle contraction, and heartbeat.
NCI

An element with atomic symbol K, atomic number 19, and atomic weight 39.10.
NCI

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draslíkové kanály

Cell membrane glycoproteins that are selectively permeable to potassium ions. At least eight major groups of K channels exist and they are made up of dozens of different subunits.
MSH

cell membrane glycoproteins that are selectively permeable to potassium ions.
CSP

Ion channel selective for potassium ions. There are several types, each with different functions. (On-line Medical Dictionary)
NCI

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chlorid draselný

A white crystal or crystalline powder used in BUFFERS; FERTILIZERS; and EXPLOSIVES. It can be used to replenish ELECTROLYTES and restore WATER-ELECTROLYTE BALANCE in treating HYPOKALEMIA.
MSH

white crystal or crystalline powder used as an electrolyte replenisher, in the treatment of hypokalemia, in buffer solutions, and in fertilizers and explosives.
CSP

A metal halide composed of potassium and chloride. Potassium maintains intracellular tonicity, is required for nerve conduction, cardiac, skeletal and smooth muscle contraction, production of energy, the synthesis of nucleic acids, maintenance of blood pressure and normal renal function. This agent has potential antihypertensive effects and when taken as a nutritional supplement may prevent hypokalemia.
NCI

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kyanid draselný

A highly poisonous compound that is an inhibitor of many metabolic processes, but has been shown to be an especially potent inhibitor of heme enzymes and hemeproteins. It is used in many industrial processes.
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draslík – nedostatek

A condition due to decreased dietary intake of potassium, as in starvation or failure to administer in intravenous solutions, or to gastrointestinal loss in diarrhea, chronic laxative abuse, vomiting, gastric suction, or bowel diversion. Severe potassium deficiency may produce muscular weakness and lead to paralysis and respiratory failure. Muscular malfunction may result in hypoventilation, paralytic ileus, hypotension, muscle twitches, tetany, and rhabomyolysis. Nephropathy from potassium deficit impairs the concentrating mechanism, producing POLYURIA and decreased maximal urinary concentrating ability with secondary POLYDIPSIA. (Merck Manual, 16th ed)
MSH

condition due to decreased dietary intake of potassium, as in starvation or failure to administer in intravenous solutions, or to gastrointestinal loss; severe potassium deficiency may produce muscular weakness and lead to paralysis and respiratory failure; muscular malfunction may result in hypoventilation, paralytic ileus, hypotension, muscle twitches, tetany, and rhabomyolysis; nephropathy from potassium deficit impairs the concentrating mechanism.
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