2. Transthoracic Echocardiography (TTE): All subjects who meet inclusion criteria for a percutaneous liver biopsy and consented to phase II will undergo an assessment of cardiovascular diastolic performance measured using 2D and 3D transthoracic echocardiography (TTE) with Doppler technology. The TTE will be performed during a scheduled outpatient time slot at the convenience of the patient.