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  1. An external ventricular drain (EVD), also known as a ventriculostomy or extraventricular drain, is a device used in neurosurgery to treat hydrocephalus and relieve elevated intracranial pressure when the normal flow of cerebrospinal fluid (CSF) inside the brain is obstructed.

  2. This is done to drain accumulated cerebrospinal fluid either through a temporary catheter or a permanent shunt. Other diseases of the ventricular system include inflammation of the membranes ( meningitis ) or of the ventricles ( ventriculitis ) caused by infection or the introduction of blood following trauma or haemorrhage ( cerebral haemorrhage or subarachnoid haemorrhage ).

  3. Congestive heart failure is a pathophysiological condition in which the heart's output is insufficient to meet the needs of the body and lungs. The term "congestive heart failure" is often used because one of the most common symptoms is congestion or fluid accumulation in the tissues and veins of the lungs or other parts of a person's body.

  4. › wiki › ColpocephalyColpocephaly - Wikipedia

    Similar symptoms (absence of corpus callosum and increased head circumference) were noted as in the case of colpocephaly that is associated with microcephaly. A bi-ventricular peritoneal shunt was performed, which greatly improved the symptoms of the condition. Ventriculo-peritoneal shunts are used to drain the fluid into the peritoneal cavity.

  5. › wiki › HeartHeart - Wikipedia

    On EKG can be observed as longer corrected QT interval (QTc). Characterized by fainting, sudden, life-threatening heart rhythm disturbances - Torsades de pointes type ventricular tachycardia, ventricular fibrillation and risk of sudden cardiac death. Short QT syndrome. Catecholaminergic polymorphic ventricular tachycardia (CPVT).

  6. In reptiles, the ventricular septum of the heart is incomplete and the pulmonary artery is equipped with a sphincter muscle. This allows a second possible route of blood flow. Instead of blood flowing through the pulmonary artery to the lungs, the sphincter may be contracted to divert this blood flow through the incomplete ventricular septum into the left ventricle and out through the aorta .

  7. › wiki › ThrombosisThrombosis - Wikipedia

    Deep vein thrombosis (DVT) is the formation of a blood clot within a deep vein.It most commonly affects leg veins, such as the femoral vein.Three factors are important in the formation of a blood clot within a deep vein—these are the rate of blood flow, the thickness of the blood and qualities of the vessel wall.