4
Participants
Start Date
June 6, 2014
Primary Completion Date
March 18, 2021
Study Completion Date
March 18, 2021
Cardiac Magnetic Resonance Imaging (CMRI)
"There will be 2 CMRIs. The first one will be patient's routine clinically schedule CMRI after the patient has fasted for 12 hours.This CMRI uses contrast.~The second CMRI will be the research CMRI after the fluid administration. This CMRI does not use contrast."
Central venous line placement
An ultrasound guided central line catheter will be placed in the internal jugular vein (IJV) under local anesthesia.
Chest X-ray
A chest X-ray will be performed for safety reasons to rule out pneumothorax (\< 1% risk) after central line placement.
Fluid administration
Administration of 15cc/kg of normal saline for fluid hydration through peripheral IV that is placed for the MRI contrast administration.
Blood Draw
One to two teaspoons of blood will be drawn for basic metabolic panel.
Pregnancy test
A urine pregnancy test will be performed in female subjects.
Electrocardiogram
12 lead ECG
University of Wisconsin-Madison, Madison
University of Wisconsin, Madison
OTHER