| QRS | in electrocardiography, the complex consisting of Q, R, and S waves, corresponding to depolarization... |
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| ASE | acute stress erosion; American Society of Electrocardiography; axilla, shoulder, and elbow |
| aVF | unipolar limb lead on the left leg in electrocardiography |
| aVL | unipolar limb lead on the left arm in electrocardiography |
| aVR | unipolar limb lead on the right arm in electrocardiography |
| EKG | ELECTROCARDIOGRAPHY |
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| FHR | Foetal heart rate |
| IUGR | Intrauterine foetal growth retardation |
| SAECG | Signal-Averaged electrocardiography |
| foetal electrocardiography | Recording the electrocardiogram of the foetus in utero. (05 Mar 2000) |
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| ambulatory electrocardiography | <investigation> An investigation, during which prolonged electrocardiographic recordings are made on a portable tape recorder (holter-type system) or solid-state device, while the patient undertakes normal daily activities. It measures the heart rhythm (ECG) over a 24 hour period while the patient records their symptoms and activities in a diary. After the test is complete, a correlation is made between the symptoms or activities recorded and the ECG pattern that was obtained simultaneously. It is useful in the diagnosis and management of intermittent cardiac arrhythmias and transient myocardial ischemia. (21 Jun 2000) |
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| precordial electrocardiography | Recording of electrocardiographic signals from the anterior left chest; conventionally six electrode positions are used but any number may be applied. (05 Mar 2000) |
| electrocardiography | <procedure> The making of graphic records of the variations in electrical potential caused by electrical activity of the heart muscle and detected at the body surface, as a method for studying the action of the heart muscle. (18 Nov 1997) |
| baby, foetal alcohol syndrome | <syndrome> Alcohol is capable of causing birth defects. FAS (foetal alcohol syndrome) always involves brain damage. And impaired growth. FAS also always involves head and face abnormalities. No amount of alcohol has been proven safe during pregnancy. Women who are or may become pregnant are advised to avoid alcohol. (12 Dec 1998) |
| baseline foetal heart rate | <paediatrics> The average heart rate for a particular foetus during the diastolic phase of uterine contractions. (05 Mar 2000) |
| baseline variability of foetal heart rate | The beat-to-beat changes in foetal heart rate as recorded on a graph. (05 Mar 2000) |
| rate, foetal mortality | The ratio of foetal deaths divided by the sum of the births (the live births + the foetal deaths) in that year. In the united states, the foetal mortality rate plummeted from 19.2 per 1,000 births in 1950 to 9.2 per 1,000 births in 1980. (12 Dec 1998) |
| marked foetal bradycardia | A foetal heart rate less than 100 beats per minute. (05 Mar 2000) |
| version, foetal | The manual conversion of or changing of the polarity of the foetus with reference to the mother. (12 Dec 1998) |
| maternal-foetal exchange | Exchange of substances between the maternal blood and the foetal blood through the placental barrier. It excludes microbial or viral transmission. (12 Dec 1998) |
| persistent foetal circulation syndrome | <syndrome> A syndrome of persistent pulmonary hypertension in the newborn infant, without demonstrable cardiac disease. It is characterised by cyanosis and acidosis, severe pulmonary vasoconstriction, hypertrophy of pulmonary arterial muscle, and elevated pulmonary vascular resistance, with resultant right-to-left shunting of blood through a patent ductus arteriosus and at times a patent foramen ovale. (12 Dec 1998) |
| circulation, foetal | The blood circulation in the foetus (the unborn baby). Before birth, the blood from the heart that is destined (in the pulmonary artery) for the lungs is shunted away from the lungs and returned to the greatest of arteries (the aorta). The shunt is through a short vessel called the ductus arteriosus. When this shunt is open, it is said to be a patent (pronounced pá tent) ductus arteriosus (PDA). The PDA usually closes at or shortly after birth and blood is permitted to course freely to the lungs. (12 Dec 1998) |
| mild foetal bradycardia | A foetal heart rate less than 120 beats per minute. (05 Mar 2000) |
| mortality rate, foetal | The ratio of foetal deaths to the sum of the births (the live births + the foetal deaths) in that year. In the united states, the foetal mortality rate plummeted from 19.2 per 1,000 births in 1950 to 9.2 per 1,000 births in 1980. (12 Dec 1998) |
| heart rate, foetal | The heart rate of the foetus. The normal range at term is between 120 and 160 beats per minute. (12 Dec 1998) |
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