Cardiac-gated 3-dimensional MR angiography

Details Cardiac-gated 3-dimensional MR angiography Cardiac-gated 3-dimensional MR angiography

1996-04-15

1997-12-02

Lateef, Marvin M.

Surgery

Truss

Pad

1286534, A61B 555

Patent

active

056925085

ABSTRACT:
A three-dimensional gadolinium-enhanced MR study of e.g. the patient's thoracic vasculature is carried out while the patient holds his or her breath. Acquisition of all data in each three-dimensional partition takes place during one and only one heartbeat. By synchronizing the MR pulse sequence to the patient's cardiac cycle, and advantageously by acquiring the MR data during the diastolic phase of the cardiac cycle, image artifacts caused by cardiac motion and pulsatile flow are eliminated or minimized.

REFERENCES:
patent: 5167232 (1992-12-01), Parker et al.
patent: 5190744 (1993-03-01), Rocklage et al.
patent: 5285158 (1994-02-01), Mistretta et al.

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