Amniotic fluid embolism Health Dictionary

Amniotic Fluid Embolism: From 1 Different Sources


a condition in which amniotic fluid enters the maternal circulation causing a complex cascade similar to that seen in anaphylactic and septic *shock. It is a rare event (1 in 50,000–100,000 deliveries), with a 60–80% maternal mortality. The sudden onset of cardiopulmonary collapse, together with coma or seizures, in labour or shortly after delivery, should prompt the diagnosis. Most of the women who survive have permanent neurological damage.
Health Source: Oxford | Concise Colour Medical Dictionary
Author: Jonathan Law, Elizabeth Martin

Embolism

A blockage of blood vessels either by blood clot, fat or air; see gas embolism.... embolism

Air Embolism

A bubble of air in a blood vessel that affects the ?ow of blood from the heart. Air may enter the circulation after injury, infusions into the venous circulation, or surgery. The victim suffers breathlessness, chest discomfort, and acute heart failure.... air embolism

Amniotic Fluid

The clear ?uid contained within the AMNION that surrounds the FETUS in the womb and protects it from external pressure. The ?uid, comprising mainly water, is produced by the amnion and is regularly circulated, being swallowed by the fetus and excreted through the kidneys back into the amniotic sac. By the 35th week of pregnancy there is about 1 litre of ?uid, but this falls to 0.5 litres at term. The amniotic sac normally ruptures in early labour, releasing the ?uid or ‘waters’.... amniotic fluid

Cerebrospinal Fluid

The ?uid within the ventricles of the brain and bathing its surface and that of the spinal cord. Normally a clear, colourless ?uid, its pressure when an individual is lying on one side is 50 to 150 mm water. A LUMBAR PUNCTURE should not be done if the intracranial pressure is raised (see HYDROCEPHALUS).

The cerebrospinal ?uid (CSF) provides useful information in various conditions and is invaluable in the diagnosis of acute and chronic in?ammatory diseases of the nervous system. Bacterial MENINGITIS results in a large increase in the number of polymorphonuclear LEUCOCYTES, while a marked lymphocytosis is seen in viral meningitis and ENCEPHALITIS, tuberculous meningitis and neurosyphilis. The total protein content is raised in many neurological diseases, being particularly high with neuro?bromatosis (see VON RECKLINGHAUSEN’S DISEASE) and Guillan-Barré syndrome, while the immunoglobulin G fraction is raised in MULTIPLE SCLEROSIS (MS), neurosyphilis, and connective-tissue disorders. The glucose content is raised in diabetes (see DIABETES MELLITUS), but may be very low in bacterial meningitis, when appropriately stained smears or cultures often de?ne the infecting organism. The CSF can also be used to measure immune proteins produced in response to infection, helping diagnosis in cases where the organism is not grown in the laboratory culture.... cerebrospinal fluid

Pulmonary Embolism

The condition in which an embolus (see EMBOLISM), or clot, is lodged in the LUNGS. The source of the clot is usually the veins of the lower abdomen or legs, in which clot formation has occurred as a result of the occurrence of DEEP VEIN THROMBOSIS (DVT) – THROMBOPHLEBITIS (see VEINS, DISEASES OF). Thrombophlebitis, with or without pulmonary embolism, is a not uncommon complication of surgical operations, especially in older patients. This is one reason why nowadays such patients are got up out of bed as quickly as possible, or, alternatively, are encouraged to move and exercise their legs regularly in bed. Long periods of sitting, particularly when travelling, can cause DVT with the risk of pulmonary embolism. The severity of a pulmonary embolism, which is characterised by the sudden onset of pain in the chest, with or without the coughing up of blood, and a varying degree of SHOCK, depends upon the size of the clot. If large enough, it may prove immediately fatal; in other cases, immediate operation may be needed to remove the clot; whilst in less severe cases anticoagulant treatment, in the form of HEPARIN, is given to prevent extension of the clot. For some operations, such as hip-joint replacements, with a high risk of deep-vein thrombosis in the leg, heparin is given for several days postoperatively.... pulmonary embolism

Amniotic Sac

See AMNION.... amniotic sac

Fluid Balance

The appropriate balance of ?uid input and output (along with dissolved salts essential for life) over 24 hours. During this period, about 2,500 millilitres (ml) of ?uid should be taken in by a 70-kg man and the same amount excreted; of this, 1,500 ml will be drunk, 800 ml will be in the food eaten, and 200 ml produced by food metabolism. Excreted water is made up of 1,500 ml of urine, 800 ml insensible loss and 200 ml in the faeces. A 70-kg man’s total body ?uid is 42 litres – 60 per cent of body weight. Intracellular ?uid comprises 28 litres, extracellular, 14 litres and blood, 5 litres. Water is controlled mainly by the sodium concentration in the body ?uids via the release of antidiuretic hormone (ADH – see VASOPRESSIN) from the posterior part of the PITUITARY GLAND. In seriously ill people, close monitoring of ?uid intake and output, along with measurements of PLASMA sodium and calcium concentrations, is an essential factor in treatment.... fluid balance

Gas Embolism

A blockage of a blood vessel by air or gas, usually caused when a diver ascends too rapidly, when the air expands, causing rupture of the lung tissues which then allows the air into the blood stream. It often results in death due to air bubbles occluding the blood vessels supply the brain (cerebral gas embolism).... gas embolism

Interstitial Fluid

The hydrogel that surrounds cells in soft tissues. It is a mucopolysaccaride starch gel, and the serum that leaves the blood capillaries flows through this gel, some to return to the exiting venous blood, some to enter the lymph system. There is an old medical axiom: the blood feeds the lymph, and the lymph feeds the cells. Interstitial fluid that flows through the starch colloid is this lymph.... interstitial fluid

Fluid Extracts

Another term for liquid extracts, chiefly used in America and among a modern generation of herbal practitioners. Largely solutions of alcohol and water, strength 1:1. Prepared from crude material or solid extract, the alcohol content differing with each product. See: LIQUID EXTRACTS. ... fluid extracts

Fluid Retention

Excessive accumulation of fluid in body tissues. Mild fluid retention is common with premenstrual syndrome but disappears with the onset of menstruation. However, more severe fluid retention may be associated with an underlying heart, liver, or kidney disorder (see ascites; nephrotic syndrome; oedema). Diuretic drugs may be used to treat the condition.... fluid retention

Seminal Fluid Analysis

Analysis of sperm concentration, shape, and motility (ability to move).

It is used to investigate male infertility and is also done some weeks after vasectomy to ensure that the semen no longer contains sperm.... seminal fluid analysis

Fluid Retention Syndrome (frs)

Accumulation of fluid beneath the skin; frequent sites – fingers, abdomen, breast, ankles.

Symptoms. Headache, frequency of urine, palpitation, possible irritable bowel syndrome. “My feet are killing me”, “I can’t get my wedding ring off” are typical complaints by women with FRS. Sometimes a complication of diabetes, or follows abuse of laxatives or diuretic drugs. A part of the premenstrual syndrome.

Alternatives. Teas. Any of the following: Buchu, Dandelion, Hawthorn, Motherwort, Yarrow. One or more cups daily, cold.

Tablets. Popular combination. Powdered Dandelion root BHP (1983) 90mg; powdered Horsetail extract 3:1 10mg; powdered Uva Ursi extract 3:1 75mg. (Gerard House)

Formula. Equal parts: Hawthorn, Dandelion, Broom. Dose: Powders: 750mg (three 00 capsules or half a teaspoon). Liquid extracts: 1 teaspoon. Tinctures: 1-2 teaspoons. Thrice daily.

Practitioner. Tincture Lily of the Valley (Convallaria) BHP (1983) (1:5 in 40 per cent alcohol). Dose 8- 15 drops (0.5-1ml). Thrice daily.

Aromatherapy. 6 drops Lavender oil on wet handkerchief: use as a compress for relief of ankles during a journey.

Traditional Gypsy Medicine. The sufferer is exposed to the rising smoke of smouldering Juniper berries which exudes volatile oils and has a gentle diuretic effect.

Diet. Salt-free. High protein. Dandelion coffee. Supplements. Vitamin B-complex, Potassium, Copper. ... fluid retention syndrome (frs)

Tissue Fluid

The watery liquid present in the tiny gaps between body cells, also known as interstitial fluid.... tissue fluid

Amniotic Cavity

the fluid-filled cavity between the embryo and the *amnion. It forms initially within the inner cell mass of the *blastocyst and later expands over the back of the embryo, eventually enclosing it completely. See also amniotic fluid.... amniotic cavity

Fluid Level

the radiographic finding of a straight line between fluid and gas within a hollow organ or cavity when a horizontal X-ray beam strikes the fluid surface tangentially. Multiple long fluid levels are seen in loops of small bowel that are obstructed. A fluid level in the lung suggests a cavity that is partially filled with fluid (e.g. an abscess).... fluid level

Helly’s Fluid

a mixture of potassium dichromate, sodium sulphate, mercuric chloride, formaldehyde, and distilled water, used in the preservation of bone marrow. [K. Helly (20th century), Swiss pathologist]... helly’s fluid



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