Talk breifly about the MRI in the past and in the present? What is the deffrence
ID: 3516762 • Letter: T
Question
Talk breifly about the MRI in the past and in the present? What is the deffrences? And what has changed and improved ? What was the difficulty? Please make it clear so i can read it Talk breifly about the MRI in the past and in the present? What is the deffrences? And what has changed and improved ? What was the difficulty? Please make it clear so i can read it Talk breifly about the MRI in the past and in the present? What is the deffrences? And what has changed and improved ? What was the difficulty? Please make it clear so i can read itExplanation / Answer
The MRI in the past and present has a substantial change in the magnet performance requirements with time. These changing requirements are generally in the field quality, field strength and the interaction of magnet with other system components.
The sensitivity and specificity of MRI has been greatly improved from past and present .The difference from past and present MRI is that in past 2 decades, MRI is used to map patterns of brain activity based on changes in cerebral hemodynamics. Recent studies have investigated equilibrium changes in blood flow measured over time periods upward of 1 minute.
In past MRI, there were many difficulties in MRI based score to predict surgical difficulties in patients with rectal cancer. Also the difficulty of delivering agents past the BBB is a particular obstacle to molecular imaging in CNS and many more difficulties are recorded. Recent technical advances helped to overcome many of past d8ffuculties related to MRI assessment.
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