| ventricular dysfunction | A condition in which the ventricles of the heart exhibit a decreased functionality. (12 Dec 1998) |
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| ventricular dysfunction, left | A condition in which the left ventricle of the heart exhibits a decreased functionality. This decreased function could lead to congestive heart failure or myocardial infarction, among other cardiovascular diseases. Diagnostic measurements that indicate this condition include a diminished ejection fraction and a depressed level of motility of the left ventricular wall. (12 Dec 1998) |
| ventricular dysfunction, right | A condition in which the right ventricle of the heart exhibits a decreased functionality. This decreased function could lead to congestive heart failure or myocardial infarction, among other cardiovascular diseases. Diagnostic measurements that indicate this condition include a diminished ejection fraction and a depressed level of motility of the right ventricular wall. (12 Dec 1998) |
| ventricular extrasystole | A premature contraction of the ventricle. Synonym: infranodal extrasystole. (05 Mar 2000) |
| ventricular filling pressure | The pressure in the ventricle as it fills with blood, ordinarily equivalent to the mean atrial pressure when there is no A-V valvular gradient. Atrial pressure can be used in place of transmural pressure because pericardial pressure usually varies between -2 and +2 mm Hg and hence is negligible. During cardiac tamponade, pericardial and atrial pressures equilibrate so that transmural pressure is zero and the high atrial presures cannot be "filling" pressures. (05 Mar 2000) |
| ventricular fluid | The portion of the cerebrospinal fluid that is contained in the ventricles of the brain. (05 Mar 2000) |
| ventricular flutter | A form of rapid ventricular tachycardia in which the electrocardiographic complexes assume a regular undulating pattern without distinct QRS and T waves. (05 Mar 2000) |
| ventricular fold | One of the pair of folds of mucous membrane stretching across the laryngeal cavity from the angle of the thyroid cartilage to the arytenoid cartilage; they enclose a space called the rima vestibuli or false glottis. Synonym: plica vestibularis, false vocal cord, plica ventricularis, ventricular band of larynx, ventricular fold. (05 Mar 2000) |
| ventricular function | The haemodynamic and electrophysiological action of the ventricles. (12 Dec 1998) |
| ventricular function, left | The haemodynamic and electrophysiological action of the left ventricle. Its measurement is an important aspect of the clinical evaluation of patients with heart disease to determine the effects of the disease on cardiac performance. (12 Dec 1998) |
| ventricular function, right | The haemodynamic and electrophysiological action of the right ventricle. (12 Dec 1998) |
| ventricular fusion beat | A fusion beat that occurs when the ventricles are activated partly by the descending sinus or A-V junctional impulse and partly by an ectopic ventricular impulse. (05 Mar 2000) |
| ventricular gradient | The algebraic sum of (i.e., the net electrical difference between) the area enclosed within the QRS complex and that within the T wave in the electrocardiogram. (05 Mar 2000) |
| ventricular inhibited pulse generator | A generator which suppresses its output in response to natural ventricular activity but which, in the absence of such activity, functions as an asynchronous pulse generator. Synonym: demand pulse generator, standby pulse generator. (05 Mar 2000) |
| ventricular layer | An inner epithelial layer of cells bordering the lumen of the embryonic neural tube and brain, formed during the latter's stratification, and persisting in modified form throughout life. Synonym: ependymal zone, ventricular layer. (05 Mar 2000) |
| ventricular fibrillation |
(VF): a very fast, irregular heart rate caused by abnormal impulses starting from several areas of the ventricle. The heart beats so fast that it is unable to pump any blood to the body. A heart in fibrillation may beat over 300 times a minute. A person in fibrillation passes out and needs immediate medical attention in order to live.
출처: www.austinheart.com/patients_mi_mt.html
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| ventricular fibrillation |
A arrhythmia in which there is a sudden electrical chaotic activity and loss of coordinated contractions of the heart resulting in sudden death. If ventricular fibrillation is not rapidly treated it will be fatal within minutes.
출처: www.kidsdefib.org/glossary.html
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| ventricular fibrillation |
Abnormally fast heart rhythm from rapid and irregular contractions of the lower chambers of the heart. This is the most common cause of death in the early hours of a heart attack. Automatic defibrillators can sense this rhythm and deliver a shock to the heart in attempts to restore a normal and stable heart rhythm.
출처: mercyweb.org/heartcenter/patientguide/index.aspx
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| ventricular fibrillation |
a heart rhythm disorder originating in the ventricles. It is an abnormally rapid heart rhythm that is unstable and irregular. Electronic signals move through the heart erratically and prevent it from beating properly. The patient may feel faint. If untreated, it may cause cardiac arrest.
출처: www.heartfailureinfo.com/TherapyAwareness/Manageme...
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| ventricular fibrillation |
In VF, the electrical signals that trigger the heartbeat become very fast and chaotic in the lower chambers of the heart. The heart no longer can pump blood to the brain or body. VF is the leading cause of sudden cardiac death.
출처: www.henryfordhealth.org/11667.cfm
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