Group 1 Inclusion Criteria

   1. Advanced heart failure patients accepted for, or scheduled for, primary (first time)
   implant of a continuous flow MCS device left (L)VAD

   2. The continuous flow MCS device implant strategy can be a bridge to transplant,
   destination therapy, or bridge to recovery

   3. Age >= 19 years and able to speak and understand English

   4. Sufficient cognitive ability to provide self-report data on a computer
   touchscreen/standard computer and/or on paper-based forms with minimal assistance.

   5. Willing to participate and able to give written informed consent

Group 1 Exclusion Criteria:

1. Scheduled for implant of a bi-VAD, right (R)VAD, or total artificial heart

Group 2 Inclusion Criteria:

   1. Patient with a continuous flow MCS device left (L)VAD who is more than 3 months
   post-implant at the following intervals: 3, 6, 12, 18, 24, 30, 36, 42, 48 months and
   every 6 months thereafter. Note: patients can have had prior MCS devices.

   2. The continuous flow MCS device, implant strategy can be a bridge to transplant,
   destination therapy, or bridge to recovery

   3. Age >= 19 years and able to speak and understand English

   4. Sufficient cognitive ability to provide self-report data on a computer
   touchscreen/standard computer and/or on paper-based forms with minimal assistance

   5. Willing to participate and able to give written informed consent

Group 2 Exclusion Criteria:

1. Has a bi-VAD, right (R)VAD, or total artificial heart