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‘Pulse-acquire’ method for obtaining the guidewire coupling modes of a PTx transmit array

Research output: Chapter in Book/Report/Conference proceedingMeeting abstract

Standard

‘Pulse-acquire’ method for obtaining the guidewire coupling modes of a PTx transmit array. / Godinez, Felipe; Hajnal, Joseph Vilmos; Scott, Greig; Mooiweer, Ronald; Malik, Shaihan Jalal.

ISMRM. Honolulu HI, 2017.

Research output: Chapter in Book/Report/Conference proceedingMeeting abstract

Harvard

Godinez, F, Hajnal, JV, Scott, G, Mooiweer, R & Malik, SJ 2017, ‘Pulse-acquire’ method for obtaining the guidewire coupling modes of a PTx transmit array. in ISMRM. Honolulu HI.

APA

Godinez, F., Hajnal, J. V., Scott, G., Mooiweer, R., & Malik, S. J. (2017). ‘Pulse-acquire’ method for obtaining the guidewire coupling modes of a PTx transmit array. In ISMRM Honolulu HI.

Vancouver

Godinez F, Hajnal JV, Scott G, Mooiweer R, Malik SJ. ‘Pulse-acquire’ method for obtaining the guidewire coupling modes of a PTx transmit array. In ISMRM. Honolulu HI. 2017

Author

Godinez, Felipe ; Hajnal, Joseph Vilmos ; Scott, Greig ; Mooiweer, Ronald ; Malik, Shaihan Jalal. / ‘Pulse-acquire’ method for obtaining the guidewire coupling modes of a PTx transmit array. ISMRM. Honolulu HI, 2017.

Bibtex Download

@inbook{e2cb6deda7354e3ca6c7db5e4e39bdbb,
title = "‘Pulse-acquire’ method for obtaining the guidewire coupling modes of a PTx transmit array",
abstract = "A method for measuring relative coupling between elements of a parallel transmit (PTx) array and conductive structuressuch as guidewires or braided catheters. The method relies on strong local enhancement of B1 fields close to conductors due to induced currents. Data acquired from single pulse-acquire measurements using very low flip angles is hence dominated by these induced current contributions. Coupling matrices for N-channel arrays can therefore be estimated using only N pulses; it is demonstrated that these are similar to those obtained from dedicated current sensors.",
author = "Felipe Godinez and Hajnal, {Joseph Vilmos} and Greig Scott and Ronald Mooiweer and Malik, {Shaihan Jalal}",
year = "2017",
language = "English",
booktitle = "ISMRM",

}

RIS (suitable for import to EndNote) Download

TY - CHAP

T1 - ‘Pulse-acquire’ method for obtaining the guidewire coupling modes of a PTx transmit array

AU - Godinez, Felipe

AU - Hajnal, Joseph Vilmos

AU - Scott, Greig

AU - Mooiweer, Ronald

AU - Malik, Shaihan Jalal

PY - 2017

Y1 - 2017

N2 - A method for measuring relative coupling between elements of a parallel transmit (PTx) array and conductive structuressuch as guidewires or braided catheters. The method relies on strong local enhancement of B1 fields close to conductors due to induced currents. Data acquired from single pulse-acquire measurements using very low flip angles is hence dominated by these induced current contributions. Coupling matrices for N-channel arrays can therefore be estimated using only N pulses; it is demonstrated that these are similar to those obtained from dedicated current sensors.

AB - A method for measuring relative coupling between elements of a parallel transmit (PTx) array and conductive structuressuch as guidewires or braided catheters. The method relies on strong local enhancement of B1 fields close to conductors due to induced currents. Data acquired from single pulse-acquire measurements using very low flip angles is hence dominated by these induced current contributions. Coupling matrices for N-channel arrays can therefore be estimated using only N pulses; it is demonstrated that these are similar to those obtained from dedicated current sensors.

M3 - Meeting abstract

BT - ISMRM

CY - Honolulu HI

ER -

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