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Normal pressure hydrocephalus (NPH), also called malresorptive hydrocephalus, is a form of communicating hydrocephalus in which excess cerebrospinal fluid (CSF) builds up in the ventricles, leading to normal or slightly elevated cerebrospinal fluid pressure.
The CSF tap test, sometimes lumbar tap test or Miller Fisher Test, is a medical test that is used to decide whether shunting of cerebrospinal fluid (CSF) would be helpful in a patient with suspected normal pressure hydrocephalus (NPH).
Decreased aqueduct stroke volume and peak systolic velocity could be detected through CSF flow to diagnose a patient with aqueduct stenosis. Normal pressure hydrocephalus (NPH) looks at CSF flow values and velocities, which is important for diagnosis because NPH is idiopathic and has varying symptoms amongst patients including urinary ...
Hydrocephalus ex vacuo from vascular dementia as seen on MRI. Normal pressure hydrocephalus (NPH) is a particular form of chronic communicating hydrocephalus, characterized by enlarged cerebral ventricles, with only intermittently elevated cerebrospinal fluid pressure. Characteristic triad of symptoms are; dementia, apraxic gait and urinary ...
Normal pressure hydrocephalus: Triad (Triad of Sandblom) Malena, Obstructive jaundice, Biliary colic: Hemobilia: Triad of Meigs' Syndrome: ascites, pleural effusion, benign ovarian tumor: Meigs' syndrome: Hemolytic–Uremic Syndrome Triad: Anaemia, Thrombocytopenia, Kidney failure (But see Pentad of TTP below) Hemolytic–uremic syndrome ...
A test for assessing shunt function in symptomatic hydrocephalus patients. ShuntCheck flow data, used in conjunction with other diagnostic test results and with physician judgment, can aid in ruling in or ruling out shunt obstruction. [1] A tool for establishing “normal” CSF flow patterns in asymptomatic patients.
In the setting of raised pressure (or normal pressure hydrocephalus, where the pressure is normal but there is excessive CSF), lumbar puncture may be therapeutic. [27] Decreased CSF pressure can indicate complete subarachnoid blockage, leakage of spinal fluid, severe dehydration, hyperosmolality, or circulatory collapse. Significant changes in ...
normal pressure hydrocephalus: Improvement in cognitive function after withdrawal of CSF during lumbar puncture used to confirm diagnosis Moniz sign: António Egas Moniz: neurology: pyramidal tract lesions: The Babinski sign – a reappraisal Neurol India 48 (4): 314–8. forceful plantar flexion of the ankle elicits an extensor plantar ...