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  • venous
  • Imaging of the intracranial venous system. (springer.com)
  • Lirng J-F. Magnetic resonance venography of intracranial venous diseases. (springer.com)
  • The reciprocal relationship between venous and arterial blood was considered the main variable in ICP and perfusion until 1848, when George Burrows, an English physician, repeated many of the exsanguination and gravitational experiments of Abercrombie and Kellie and found a reciprocal relationship between the volume of CSF and the volume of blood in the intracranial compartment. (medscape.com)
  • Measurement
  • Innovative method using Two-Depth Transorbital Doppler (TDTD) of intracranial pressure quantitative absolute (ICP) value measurement relies on the same fundamental principle as used to measure blood pressure with a sphygmomanometer . (wikipedia.org)
  • Ophthalmic artery (OA) - a unique vessel with intracranial and extracranial segments is used as pressure sensor and as a natural pair of scales for absolute ICP value in mmHg or mmH2O measurement. (wikipedia.org)
  • structures
  • Normal structures in the intracranial dural sinuses: delineation with 3D contrast-enhanced magnetization prepared rapid acquisition gradient-echo imaging sequence. (springer.com)
  • blood
  • Blood flow in the intracranial OA segment is affected by intracranial pressure, while flow in the extracranial (intraorbital) OA segment is influenced by the externally applied pressure (Pe) to the eyeball and orbital tissues. (wikipedia.org)
  • In place of the stethoscope, a Doppler ultrasound beam measures the blood flow pulsations in intracranial and extracranial segments of the Ophthalmic Artery. (wikipedia.org)
  • conditions
  • Intracranial pressure may be increased due to medications such as high-dose vitamin A derivatives (e.g. isotretinoin for acne), long-term tetracycline antibiotics (for a variety of skin conditions) and hormonal contraceptives. (wikipedia.org)