A disposable placemat system is provided. The disposable placemat system includes a sheet of a first material having a front surface and a back surface opposite to the front surface. The disposable placemat system includes a sheet of a second material attached to the sheet of the first material at the front surface. The first material is liquid impermeable and different from the second material. The second material is absorbent and configured to absorb a fluid used in conjunction with a medical procedure utilizing acoustic energy to monitor a subject.